Interacciones de Fenobarbital

CYP3A4 Inducers: Avoid concomitant strong CYP3A4 inducers during YONSA treatment. (etiqueta de Abiraterona, Interacciones medicamentosas)

• CYP3A Inducers: Avoid co-administration with strong CYP3A inducers. (etiqueta de Acalabrutinib, Interacciones medicamentosas)

Children under the age of two years are at a considerably increased risk of developing fatal hepatotoxicity, especially those on multiple anticonvulsants, those with congenital metabolic disorders, those with severe seizure disorders accompanied by mental retardation, and those with organic brain disease. (etiqueta de Ácido valproico, Advertencia en recuadro)

Abuse and misuse of phenobarbital commonly involve concomitant use of other drugs, alcohol, and/or illicit substances, which is associated with an increased frequency of serious adverse outcomes [see Warnings and Precaution (5.3)]. (etiqueta de Fenobarbital, Advertencia en recuadro)

Drugs that Prolong the QT Interval : Avoid concomitant use. (etiqueta de Fenobarbital, Interacciones medicamentosas)

CYP3A4 Inducers : Avoid coadministration of VIJOICE with a strong CYP3A4 inducer. (etiqueta de Alpelisib, Interacciones medicamentosas)

CNS depressants: Closely monitor for sedation and respiratory depression. (etiqueta de Fenobarbital, Interacciones medicamentosas)

Drugs that Prolong the QT Interval : Avoid concomitant use. (etiqueta de Fenobarbital, Interacciones medicamentosas)

Drugs that Prolong the QT Interval : Avoid concomitant use. (etiqueta de Fenobarbital, Interacciones medicamentosas)

Drugs that Prolong the QT Interval : Avoid concomitant use. (etiqueta de Fenobarbital, Interacciones medicamentosas)

• Simultaneous use of combined P-gp and strong CYP3A4 inducers reduces blood levels of apixaban: Avoid concomitant use. (etiqueta de Apixabán, Interacciones medicamentosas)

Drug Interactions : Use with strong cytochrome P450 enzyme inducers (e.g., rifampin, phenobarbital, carbamazepine, phenytoin) is not recommended because loss of efficacy may occur ( 5.5 , 7.1 ) (etiqueta de Apremilast, Advertencias y precauciones)

CNS depressants: Closely monitor for sedation and respiratory depression. (etiqueta de Fenobarbital, Interacciones medicamentosas)

CNS depressants: Closely monitor for sedation and respiratory depression. (etiqueta de Fenobarbital, Interacciones medicamentosas)

…(with or without ritonavir) with carbamazepine is contraindicated due to the risk for loss of virologic response and development of resistance [see Contraindications (4) ]. phenytoin, phenobarbital ↓ atazanavir ↓ phenytoin ↓ phenobarbital Coadministration of REYATAZ (with or without ritonavir) with phenytoin or phenobarbital is contraindicated due to the risk for… (etiqueta de Atazanavir, Interacciones medicamentosas)

• Avoid concurrent use of alcohol or other central nervous system (CNS) depressants with azelastine hydrochloride and fluticasone propionate nasal spray because further decreased alertness and impairment of CNS performance may occur. (etiqueta de Azelastina y fluticasona, Advertencias y precauciones)

Drugs that Prolong the QT Interval : Avoid concomitant use. (etiqueta de Fenobarbital, Interacciones medicamentosas)

CNS depressants: Closely monitor for sedation and respiratory depression. (etiqueta de Fenobarbital, Interacciones medicamentosas)

WARNING: RISKS FROM CONCOMITANT USE WITH OPIOIDS; DEPENDENCE AND WITHDRAWAL REACTIONS AFTER USE OF SEZABY FOR A LONGER DURATION THAN RECOMMENDED; and ABUSE, MISUSE AND ADDICTION WITH UNAPPROVED USE IN ADOLESCENTS AND ADULTS Risks from Concomitant Use with Opioids Concomitant use of phenobarbital products, including SEZABY, and opioids may result in profound sedation,… (etiqueta de Fenobarbital, Advertencia en recuadro)

Concomitant administration with oxcarbazepine or phenobarbital is not recommended. (etiqueta de Bictegravir, emtricitabina y tenofovir alafenamida, Interacciones medicamentosas)

Strong CYP3A4 Inducers: Avoid concomitant use. (etiqueta de Bortezomib, Interacciones medicamentosas)

• Strong CYP3A Inducers: Avoid concomitant use with BOSULIF. (etiqueta de Bosutinib, Interacciones medicamentosas)

CNS depressants: Closely monitor for sedation and respiratory depression. (etiqueta de Fenobarbital, Interacciones medicamentosas)

WARNING: RISKS FROM CONCOMITANT USE WITH OPIOIDS; DEPENDENCE AND WITHDRAWAL REACTIONS AFTER USE OF SEZABY FOR A LONGER DURATION THAN RECOMMENDED; and ABUSE, MISUSE AND ADDICTION WITH UNAPPROVED USE IN ADOLESCENTS AND ADULTS Risks from Concomitant Use with Opioids Concomitant use of phenobarbital products, including SEZABY, and opioids may result in profound sedation,… (etiqueta de Fenobarbital, Advertencia en recuadro)

WARNING: RISKS FROM CONCOMITANT USE WITH OPIOIDS; DEPENDENCE AND WITHDRAWAL REACTIONS AFTER USE OF SEZABY FOR A LONGER DURATION THAN RECOMMENDED; and ABUSE, MISUSE AND ADDICTION WITH UNAPPROVED USE IN ADOLESCENTS AND ADULTS Risks from Concomitant Use with Opioids Concomitant use of phenobarbital products, including SEZABY, and opioids may result in profound sedation,… (etiqueta de Fenobarbital, Advertencia en recuadro)

Bupropion hydrochloride extended-release tablets (XL) are contraindicated in patients undergoing abrupt discontinuation of alcohol, benzodiazepines, barbiturates, and antiepileptic drugs [see Warnings and Precautions (5.3) and Drug Interactions (7.3)] . (etiqueta de Bupropión, Contraindicaciones)

SEZABY is contraindicated in patients with: acute porphyrias [see Warnings and Precautions (5.8)], or a history of hypersensitivity reaction to phenobarbital or other barbiturates [see Warnings and Precautions (5.7)] Acute porphyrias (4) (etiqueta de Fenobarbital, Contraindicaciones)

SEZABY is contraindicated in patients with: acute porphyrias [see Warnings and Precautions (5.8)], or a history of hypersensitivity reaction to phenobarbital or other barbiturates [see Warnings and Precautions (5.7)] Acute porphyrias (4) (etiqueta de Fenobarbital, Contraindicaciones)

WARNING: RISKS FROM CONCOMITANT USE WITH OPIOIDS; DEPENDENCE AND WITHDRAWAL REACTIONS AFTER USE OF SEZABY FOR A LONGER DURATION THAN RECOMMENDED; and ABUSE, MISUSE AND ADDICTION WITH UNAPPROVED USE IN ADOLESCENTS AND ADULTS Risks from Concomitant Use with Opioids Concomitant use of phenobarbital products, including SEZABY, and opioids may result in profound sedation,… (etiqueta de Fenobarbital, Advertencia en recuadro)

SEZABY is contraindicated in patients with: acute porphyrias [see Warnings and Precautions (5.8)], or a history of hypersensitivity reaction to phenobarbital or other barbiturates [see Warnings and Precautions (5.7)] Acute porphyrias (4) (etiqueta de Fenobarbital, Contraindicaciones)

WARNING: RISKS FROM CONCOMITANT USE WITH OPIOIDS; DEPENDENCE AND WITHDRAWAL REACTIONS AFTER USE OF SEZABY FOR A LONGER DURATION THAN RECOMMENDED; and ABUSE, MISUSE AND ADDICTION WITH UNAPPROVED USE IN ADOLESCENTS AND ADULTS Risks from Concomitant Use with Opioids Concomitant use of phenobarbital products, including SEZABY, and opioids may result in profound sedation,… (etiqueta de Fenobarbital, Advertencia en recuadro)

WARNING: RISKS FROM CONCOMITANT USE WITH OPIOIDS; DEPENDENCE AND WITHDRAWAL REACTIONS AFTER USE OF SEZABY FOR A LONGER DURATION THAN RECOMMENDED; and ABUSE, MISUSE AND ADDICTION WITH UNAPPROVED USE IN ADOLESCENTS AND ADULTS Risks from Concomitant Use with Opioids Concomitant use of phenobarbital products, including SEZABY, and opioids may result in profound sedation,… (etiqueta de Fenobarbital, Advertencia en recuadro)

• Coadministration with carbamazepine, oxcarbazepine, phenobarbital, phenytoin, rifampin, and rifapentine. (etiqueta de Cabotegravir, Contraindicaciones)

Avoid chronic co-administration of strong CYP3A4 inducers (e.g., phenytoin, carbamazepine, rifampin, rifabutin, rifapentine, phenobarbital, St. (etiqueta de Cabozantinib, Interacciones medicamentosas)

CNS depressants: Closely monitor for sedation and respiratory depression. (etiqueta de Fenobarbital, Interacciones medicamentosas)

CNS Depressants The concomitant use of EQUETRO and other CNS depressants can increase the risk of respiratory depression, profound sedation, hypotension, and syncope. (etiqueta de Carbamazepina, Interacciones medicamentosas)

Avoid concurrent use of Carbinoxamine Maleate Extended-Release Oral Suspension with alcohol or other central nervous system depressants because additional impairment of central nervous system performance may occur. (etiqueta de Carbinoxamina, Advertencias y precauciones)

CNS depressants: Closely monitor for sedation and respiratory depression. (etiqueta de Fenobarbital, Interacciones medicamentosas)

CNS depressants: Closely monitor for sedation and respiratory depression. (etiqueta de Fenobarbital, Interacciones medicamentosas)

Avoid concurrent use of QUZYTTIR with alcohol or other CNS depressants because additional reduction in alertness and additional impairment of CNS performance may occur. (etiqueta de Cetirizina, Advertencias y precauciones)

CNS depressants: Closely monitor for sedation and respiratory depression. (etiqueta de Fenobarbital, Interacciones medicamentosas)

Drugs that Prolong the QT Interval : Avoid concomitant use. (etiqueta de Fenobarbital, Interacciones medicamentosas)

Drugs that Prolong the QT Interval : Avoid concomitant use. (etiqueta de Fenobarbital, Interacciones medicamentosas)

Drugs that Prolong the QT Interval : Avoid concomitant use. (etiqueta de Fenobarbital, Interacciones medicamentosas)

CNS depressants: Closely monitor for sedation and respiratory depression. (etiqueta de Fenobarbital, Interacciones medicamentosas)

CNS depressants: Closely monitor for sedation and respiratory depression. (etiqueta de Fenobarbital, Interacciones medicamentosas)

Avoid use with other central nervous system (CNS) depressants ( 5.3 ) (etiqueta de Clonidina, Advertencias y precauciones)

CNS depressants: Closely monitor for sedation and respiratory depression. (etiqueta de Fenobarbital, Interacciones medicamentosas)

CNS depressants: Closely monitor for sedation and respiratory depression. (etiqueta de Fenobarbital, Interacciones medicamentosas)

CNS depressants: Closely monitor for sedation and respiratory depression. (etiqueta de Fenobarbital, Interacciones medicamentosas)

Drugs that Prolong the QT Interval : Avoid concomitant use. (etiqueta de Fenobarbital, Interacciones medicamentosas)

CNS depressants: Closely monitor for sedation and respiratory depression. (etiqueta de Fenobarbital, Interacciones medicamentosas)

CNS depressants: Closely monitor for sedation and respiratory depression. (etiqueta de Fenobarbital, Interacciones medicamentosas)

CNS depressants: Closely monitor for sedation and respiratory depression. (etiqueta de Fenobarbital, Interacciones medicamentosas)

WARNING: RISKS FROM CONCOMITANT USE WITH OPIOIDS; DEPENDENCE AND WITHDRAWAL REACTIONS AFTER USE OF SEZABY FOR A LONGER DURATION THAN RECOMMENDED; and ABUSE, MISUSE AND ADDICTION WITH UNAPPROVED USE IN ADOLESCENTS AND ADULTS Risks from Concomitant Use with Opioids Concomitant use of phenobarbital products, including SEZABY, and opioids may result in profound sedation,… (etiqueta de Fenobarbital, Advertencia en recuadro)

CNS depressants: Closely monitor for sedation and respiratory depression. (etiqueta de Fenobarbital, Interacciones medicamentosas)

CNS depressants: Closely monitor for sedation and respiratory depression. (etiqueta de Fenobarbital, Interacciones medicamentosas)

…elbasvir/grazoprevir Lipid modifying agents: lomitapide, lovastatin, simvastatin Opioid Antagonist: naloxegol PDE-5 inhibitor: sildenafil when used for treatment of pulmonary arterial hypertension Sedatives/hypnotics: orally administered midazolam, triazolam Co-administration of PREZISTA/ritonavir is contraindicated with drugs that are highly dependent on CYP3A for clearance… (etiqueta de Darunavir, Contraindicaciones)

Co-administration of PREZCOBIX or PREZCOBIX PED with CYP3A inducers may lead to lower exposures of darunavir and cobicistat and potential loss of efficacy of darunavir and possible resistance. (etiqueta de Darunavir y cobicistat, Contraindicaciones)

If concomitant administration of a strong CYP3A4 inducer cannot be avoided, consider a dose increase [see Dosage and Administration ( 2.3 )] . (etiqueta de Dasatinib, Interacciones medicamentosas)

Avoid use of moderate or strong CYP3A4 inducers with EMFLAZA, as they may reduce efficacy ( 7.1 ) (etiqueta de Deflazacort, Interacciones medicamentosas)

CNS depressants: Closely monitor for sedation and respiratory depression. (etiqueta de Fenobarbital, Interacciones medicamentosas)

Drugs that Prolong the QT Interval : Avoid concomitant use. (etiqueta de Fenobarbital, Interacciones medicamentosas)

Drugs that Prolong the QT Interval : Avoid concomitant use. (etiqueta de Fenobarbital, Interacciones medicamentosas)

CNS depressants: Closely monitor for sedation and respiratory depression. (etiqueta de Fenobarbital, Interacciones medicamentosas)

CONTRAINDICATIONS Diphenoxylate hydrochloride and atropine sulfate is contraindicated in: • Pediatric patients less than 6 years of age due to the risks of respiratory and central nervous system (CNS) depression (see WARNINGS ). (etiqueta de Difenoxilato y atropina, Contraindicaciones)

Drugs that Prolong the QT Interval : Avoid concomitant use. (etiqueta de Fenobarbital, Interacciones medicamentosas)

Children under the age of two years are at a considerably increased risk of developing fatal hepatotoxicity, especially those on multiple anticonvulsants, those with congenital metabolic disorders, those with severe seizure disorders accompanied by mental retardation, and those with organic brain disease. (etiqueta de Divalproato de sodio (valproato), Advertencia en recuadro)

Drugs that Prolong the QT Interval : Avoid concomitant use. (etiqueta de Fenobarbital, Interacciones medicamentosas)

PIFELTRO is contraindicated when co-administered with drugs that are strong cytochrome P450 (CYP)3A enzyme inducers as significant decreases in doravirine plasma concentrations may occur, which may decrease the effectiveness of PIFELTRO [see Warnings and Precautions (5.2) , Drug Interactions (7.1) , and Clinical Pharmacology (12.3) ] . (etiqueta de Doravirina, Contraindicaciones)

Central nervous system (CNS) depressants: Concurrent use with alcohol or other CNS depressants is not recommended ( 5.1 ) (etiqueta de Doxilamina y piridoxina, Advertencias y precauciones)

• Avoid concomitant use of doxorubicin hydrochloride with inhibitors and inducers of CYP3A4, CYP2D6, and/or P-gp ( 7.1 ) (etiqueta de Doxorubicina, Interacciones medicamentosas)

CNS depressants: Closely monitor for sedation and respiratory depression. (etiqueta de Fenobarbital, Interacciones medicamentosas)

Drugs that Prolong the QT Interval : Avoid concomitant use. (etiqueta de Fenobarbital, Interacciones medicamentosas)

Drugs that Prolong the QT Interval : Avoid concomitant use. (etiqueta de Fenobarbital, Interacciones medicamentosas)

Therefore, concomitant use with strong CYP3A inducers is not recommended [see Drug Interactions (7.1) and Clinical Pharmacology (12.3) ] . (etiqueta de Elexacaftor, tezacaftor e ivacaftor, Advertencias y precauciones)

WARNING: RISKS FROM CONCOMITANT USE WITH OPIOIDS; DEPENDENCE AND WITHDRAWAL REACTIONS AFTER USE OF SEZABY FOR A LONGER DURATION THAN RECOMMENDED; and ABUSE, MISUSE AND ADDICTION WITH UNAPPROVED USE IN ADOLESCENTS AND ADULTS Risks from Concomitant Use with Opioids Concomitant use of phenobarbital products, including SEZABY, and opioids may result in profound sedation,… (etiqueta de Fenobarbital, Advertencia en recuadro)

Alpha 1-adrenoreceptor antagonist: alfuzosin Anticonvulsants: carbamazepine, phenobarbital, phenytoin Antimycobacterial: rifampin Antipsychotics: lurasidone, pimozide Ergot Derivatives: dihydroergotamine, ergotamine, methylergonovine Herbal Products: St. (etiqueta de Elvitegravir, cobicistat, emtricitabina y tenofovir, Contraindicaciones)

…virologic response and possible resistance to COMPLERA or to the class of NNRTIs [see Warnings and Precautions (5.7) , Drug Interactions (7) , and Clinical Pharmacology (12.3) ]: Anticonvulsants: carbamazepine, oxcarbazepine, phenobarbital, phenytoin Antimycobacterials: rifampin, rifapentine Glucocorticoid (systemic): dexamethasone (more than a single-dose)… (etiqueta de Emtricitabina, rilpivirina y tenofovir, Contraindicaciones)

Drugs that Prolong the QT Interval : Avoid concomitant use. (etiqueta de Fenobarbital, Interacciones medicamentosas)

Drugs that Prolong the QT Interval : Avoid concomitant use. (etiqueta de Fenobarbital, Interacciones medicamentosas)

CNS depressants: Closely monitor for sedation and respiratory depression. (etiqueta de Fenobarbital, Interacciones medicamentosas)

CNS depressants: Closely monitor for sedation and respiratory depression. (etiqueta de Fenobarbital, Interacciones medicamentosas)

CNS depressants: Closely monitor for sedation and respiratory depression. (etiqueta de Fenobarbital, Interacciones medicamentosas)

Etravirine should not be used in combination with carbamazepine, phenobarbital, or phenytoin as co-administration may cause significant decreases in etravirine plasma concentrations and loss of therapeutic effect of Etravirine. (etiqueta de Etravirina, Interacciones medicamentosas)

IT IS NOT KNOWN WHETHER CONCOMITANT USE OF OTHER ANTIEPILEPTIC DRUGS AND/OR OTHER DRUGS AFFECT THE INCIDENCE OF HEPATIC FAILURE. (etiqueta de Felbamato, Advertencia en recuadro)

Phenelzine sulfate should not be used in combination with dextromethorphan or with CNS depressants such as alcohol and certain narcotics. (etiqueta de Fenelzina, Contraindicaciones)

SEZABY is contraindicated in patients with: acute porphyrias [see Warnings and Precautions (5.8)], or a history of hypersensitivity reaction to phenobarbital or other barbiturates [see Warnings and Precautions (5.7)] Acute porphyrias (4) (etiqueta de Fenobarbital, Contraindicaciones)

WARNING: RISKS FROM CONCOMITANT USE WITH OPIOIDS; DEPENDENCE AND WITHDRAWAL REACTIONS AFTER USE OF SEZABY FOR A LONGER DURATION THAN RECOMMENDED; and ABUSE, MISUSE AND ADDICTION WITH UNAPPROVED USE IN ADOLESCENTS AND ADULTS Risks from Concomitant Use with Opioids Concomitant use of phenobarbital products, including SEZABY, and opioids may result in profound sedation,… (etiqueta de Fenobarbital, Advertencia en recuadro)

Drugs that Prolong the QT Interval : Avoid concomitant use. (etiqueta de Fenobarbital, Interacciones medicamentosas)

…spasms in the urinary tract collection system, inactivation of nerve and muscle cells after administration of drugs to relax the muscles (depolarization block after depolarizing muscle relaxants), in case of intoxication due to “irreversibly acting” cholinesterase inhibitors (drugs used to treat dementia), intoxication with phosphoric acid esters or barbiturates. (etiqueta de Fisostigmina, Contraindicaciones)

Drugs that Prolong the QT Interval : Avoid concomitant use. (etiqueta de Fenobarbital, Interacciones medicamentosas)

Preventing or Managing DI The concomitant use of ADDYI with CYP3A4 inducers is not recommended. (etiqueta de Flibanserina, Interacciones medicamentosas)

Drugs that Prolong the QT Interval : Avoid concomitant use. (etiqueta de Fenobarbital, Interacciones medicamentosas)

CNS depressants: Closely monitor for sedation and respiratory depression. (etiqueta de Fenobarbital, Interacciones medicamentosas)

CNS depressants: Closely monitor for sedation and respiratory depression. (etiqueta de Fenobarbital, Interacciones medicamentosas)

Drugs that Prolong the QT Interval : Avoid concomitant use. (etiqueta de Fenobarbital, Interacciones medicamentosas)

…Hypericum perforatum ) Lipid modifying agents: Lomitapide, lovastatin, simvastatin Non-nucleoside reverse transcriptase inhibitor: Delavirdine PDE5 inhibitor: Sildenafil (Revatio) (for treatment of pulmonary arterial hypertension) Sedative/hypnotics: Midazolam, triazolam Hypersensitivity to fosamprenavir calcium or amprenavir (e.g., Stevens-Johnson syndrome). (etiqueta de Fosamprenavir, Contraindicaciones)

• Respiratory Depression: May occur with NEURONTIN when used with concomitant central nervous system (CNS) depressants, including opioids, or in the setting of underlying respiratory impairment. (etiqueta de Gabapentina, Advertencias y precauciones)

Drugs that Prolong the QT Interval : Avoid concomitant use. (etiqueta de Fenobarbital, Interacciones medicamentosas)

CNS depressants: Closely monitor for sedation and respiratory depression. (etiqueta de Fenobarbital, Interacciones medicamentosas)

WARNING: RISKS FROM CONCOMITANT USE WITH OPIOIDS; DEPENDENCE AND WITHDRAWAL REACTIONS AFTER USE OF SEZABY FOR A LONGER DURATION THAN RECOMMENDED; and ABUSE, MISUSE AND ADDICTION WITH UNAPPROVED USE IN ADOLESCENTS AND ADULTS Risks from Concomitant Use with Opioids Concomitant use of phenobarbital products, including SEZABY, and opioids may result in profound sedation,… (etiqueta de Fenobarbital, Advertencia en recuadro)

WARNING: RISKS FROM CONCOMITANT USE WITH OPIOIDS; DEPENDENCE AND WITHDRAWAL REACTIONS AFTER USE OF SEZABY FOR A LONGER DURATION THAN RECOMMENDED; and ABUSE, MISUSE AND ADDICTION WITH UNAPPROVED USE IN ADOLESCENTS AND ADULTS Risks from Concomitant Use with Opioids Concomitant use of phenobarbital products, including SEZABY, and opioids may result in profound sedation,… (etiqueta de Fenobarbital, Advertencia en recuadro)

WARNING: RISKS FROM CONCOMITANT USE WITH OPIOIDS; DEPENDENCE AND WITHDRAWAL REACTIONS AFTER USE OF SEZABY FOR A LONGER DURATION THAN RECOMMENDED; and ABUSE, MISUSE AND ADDICTION WITH UNAPPROVED USE IN ADOLESCENTS AND ADULTS Risks from Concomitant Use with Opioids Concomitant use of phenobarbital products, including SEZABY, and opioids may result in profound sedation,… (etiqueta de Fenobarbital, Advertencia en recuadro)

WARNING: RISKS FROM CONCOMITANT USE WITH OPIOIDS; DEPENDENCE AND WITHDRAWAL REACTIONS AFTER USE OF SEZABY FOR A LONGER DURATION THAN RECOMMENDED; and ABUSE, MISUSE AND ADDICTION WITH UNAPPROVED USE IN ADOLESCENTS AND ADULTS Risks from Concomitant Use with Opioids Concomitant use of phenobarbital products, including SEZABY, and opioids may result in profound sedation,… (etiqueta de Fenobarbital, Advertencia en recuadro)

WARNING: RISKS FROM CONCOMITANT USE WITH OPIOIDS; DEPENDENCE AND WITHDRAWAL REACTIONS AFTER USE OF SEZABY FOR A LONGER DURATION THAN RECOMMENDED; and ABUSE, MISUSE AND ADDICTION WITH UNAPPROVED USE IN ADOLESCENTS AND ADULTS Risks from Concomitant Use with Opioids Concomitant use of phenobarbital products, including SEZABY, and opioids may result in profound sedation,… (etiqueta de Fenobarbital, Advertencia en recuadro)

WARNING: RISKS FROM CONCOMITANT USE WITH OPIOIDS; DEPENDENCE AND WITHDRAWAL REACTIONS AFTER USE OF SEZABY FOR A LONGER DURATION THAN RECOMMENDED; and ABUSE, MISUSE AND ADDICTION WITH UNAPPROVED USE IN ADOLESCENTS AND ADULTS Risks from Concomitant Use with Opioids Concomitant use of phenobarbital products, including SEZABY, and opioids may result in profound sedation,… (etiqueta de Fenobarbital, Advertencia en recuadro)

Drugs that Prolong the QT Interval : Avoid concomitant use. (etiqueta de Fenobarbital, Interacciones medicamentosas)

Drugs that Prolong the QT Interval : Avoid concomitant use. (etiqueta de Fenobarbital, Interacciones medicamentosas)

Drugs that Prolong the QT Interval : Avoid concomitant use. (etiqueta de Fenobarbital, Interacciones medicamentosas)

CNS depressants: Closely monitor for sedation and respiratory depression. (etiqueta de Fenobarbital, Interacciones medicamentosas)

• Strong CYP3A4 Inducers: Do not administer strong CYP3A4 inducers with CAMPTOSAR. (etiqueta de Irinotecán, Interacciones medicamentosas)

CNS depressants: Closely monitor for sedation and respiratory depression. (etiqueta de Fenobarbital, Interacciones medicamentosas)

To avoid phenytoin intoxication, appropriate adjustment of the anticonvulsant should be made 5,6 . (etiqueta de Isoniazida, Interacciones medicamentosas)

Anticonvulsants Carbamazepine Not recommended 2 weeks before, during, and 2 weeks after TOLSURA treatment. (etiqueta de Itraconazol, Interacciones medicamentosas)

Avoid concomitant use of CYP3A4 inducers when using Corlanor. (etiqueta de Ivabradina, Interacciones medicamentosas)

CNS depressants: Closely monitor for sedation and respiratory depression. (etiqueta de Fenobarbital, Interacciones medicamentosas)

Drugs that Prolong the QT Interval : Avoid concomitant use. (etiqueta de Fenobarbital, Interacciones medicamentosas)

Avoid strong CYP3A4 inducers. (etiqueta de Lapatinib, Interacciones medicamentosas)

Strong CYP3A4 Inducers: Avoid coadministration of strong CYP3A4 inducers with VITRAKVI. (etiqueta de Larotrectinib, Interacciones medicamentosas)

CNS depressants: Closely monitor for sedation and respiratory depression. (etiqueta de Fenobarbital, Interacciones medicamentosas)

Concomitant administration of SUNLENCA with oxcarbazepine or phenobarbital is not recommended. (etiqueta de Lenacapavir, Interacciones medicamentosas)

Avoid concurrent use of alcohol or other central nervous system depressants with XYZAL. (etiqueta de Levocetirizina, Advertencias y precauciones)

Drugs that Prolong the QT Interval : Avoid concomitant use. (etiqueta de Fenobarbital, Interacciones medicamentosas)

WARNING: RISKS FROM CONCOMITANT USE WITH OPIOIDS; DEPENDENCE AND WITHDRAWAL REACTIONS AFTER USE OF SEZABY FOR A LONGER DURATION THAN RECOMMENDED; and ABUSE, MISUSE AND ADDICTION WITH UNAPPROVED USE IN ADOLESCENTS AND ADULTS Risks from Concomitant Use with Opioids Concomitant use of phenobarbital products, including SEZABY, and opioids may result in profound sedation,… (etiqueta de Fenobarbital, Advertencia en recuadro)

Drugs that Prolong the QT Interval : Avoid concomitant use. (etiqueta de Fenobarbital, Interacciones medicamentosas)

KALETRA once daily in combination with carbamazepine, phenobarbital, or phenytoin is not recommended. (etiqueta de Lopinavir y ritonavir, Interacciones medicamentosas)

CNS depressants: Closely monitor for sedation and respiratory depression. (etiqueta de Fenobarbital, Interacciones medicamentosas)

Effect of Other Drugs on LORBRENA Strong CYP3A Inducers LORBRENA is contraindicated in patients taking strong CYP3A inducers [see Contraindication (4) ] . (etiqueta de Lorlatinib, Interacciones medicamentosas)

CNS depressants: Closely monitor for sedation and respiratory depression. (etiqueta de Fenobarbital, Interacciones medicamentosas)

CNS depressants: Closely monitor for sedation and respiratory depression. (etiqueta de Fenobarbital, Interacciones medicamentosas)

CNS depressants: Closely monitor for sedation and respiratory depression. (etiqueta de Fenobarbital, Interacciones medicamentosas)

Strong CYP3A4 inducers (rifampin) reduce exposure to macitentan: avoid co-administration with OPSUMIT ( 7.1 , 12.3 ). (etiqueta de Macitentán, Interacciones medicamentosas)

WARNING: RISKS FROM CONCOMITANT USE WITH OPIOIDS; DEPENDENCE AND WITHDRAWAL REACTIONS AFTER USE OF SEZABY FOR A LONGER DURATION THAN RECOMMENDED; and ABUSE, MISUSE AND ADDICTION WITH UNAPPROVED USE IN ADOLESCENTS AND ADULTS Risks from Concomitant Use with Opioids Concomitant use of phenobarbital products, including SEZABY, and opioids may result in profound sedation,… (etiqueta de Fenobarbital, Advertencia en recuadro)

CNS depressants: Closely monitor for sedation and respiratory depression. (etiqueta de Fenobarbital, Interacciones medicamentosas)

CNS depressants: Closely monitor for sedation and respiratory depression. (etiqueta de Fenobarbital, Interacciones medicamentosas)

SEZABY is contraindicated in patients with: acute porphyrias [see Warnings and Precautions (5.8)], or a history of hypersensitivity reaction to phenobarbital or other barbiturates [see Warnings and Precautions (5.7)] Acute porphyrias (4) (etiqueta de Fenobarbital, Contraindicaciones)

CNS depressants: Closely monitor for sedation and respiratory depression. (etiqueta de Fenobarbital, Interacciones medicamentosas)

Avoid co-administration of mifepristone and CYP3A inducers such as rifampin, rifabutin, rifapentin, phenobarbital, phenytoin, carbamazepine, and St. (etiqueta de Mifepristona, Interacciones medicamentosas)

WARNING: RISKS FROM CONCOMITANT USE WITH OPIOIDS; DEPENDENCE AND WITHDRAWAL REACTIONS AFTER USE OF SEZABY FOR A LONGER DURATION THAN RECOMMENDED; and ABUSE, MISUSE AND ADDICTION WITH UNAPPROVED USE IN ADOLESCENTS AND ADULTS Risks from Concomitant Use with Opioids Concomitant use of phenobarbital products, including SEZABY, and opioids may result in profound sedation,… (etiqueta de Fenobarbital, Advertencia en recuadro)

Drugs that Prolong the QT Interval : Avoid concomitant use. (etiqueta de Fenobarbital, Interacciones medicamentosas)

WARNING: RISKS FROM CONCOMITANT USE WITH OPIOIDS; DEPENDENCE AND WITHDRAWAL REACTIONS AFTER USE OF SEZABY FOR A LONGER DURATION THAN RECOMMENDED; and ABUSE, MISUSE AND ADDICTION WITH UNAPPROVED USE IN ADOLESCENTS AND ADULTS Risks from Concomitant Use with Opioids Concomitant use of phenobarbital products, including SEZABY, and opioids may result in profound sedation,… (etiqueta de Fenobarbital, Advertencia en recuadro)

John's Wort) Clinical Impact Significant decrease in plasma naldemedine concentrations, which may reduce efficacy [see Clinical Pharmacology (12.3) ] Intervention Avoid use of SYMPROIC with strong CYP3A inducers. (etiqueta de Naldemedina, Interacciones medicamentosas)

Risk of Recurrent Respiratory and CNS Depression : A recurrence of respiratory depression is possible, therefore, keep the patient under continued surveillance and administer repeat doses of ZURNAI using a new auto-injector with each dose while awaiting emergency medical assistance. (etiqueta de Nalmefeno, Advertencias y precauciones)

Strong CYP3A4 inducers (e.g., rifampin) : Decreased concentrations of naloxegol; concomitant use is not recommended. (etiqueta de Naloxegol, Interacciones medicamentosas)

CYP2B6 Inducers (e.g., ritonavir, lopinavir, efavirenz, carbamazepine, phenobarbital, and phenytoin) may reduce efficacy by reducing bupropion exposure, avoid concomitant use. (etiqueta de Naltrexona y bupropión, Interacciones medicamentosas)

John’s Wort reduce the bioavailability and efficacy of nifedipine; therefore nifedipine should not be used in combination with strong CYP3A inducers such as rifampin (See CONTRAINDICATIONS ). (etiqueta de Nifedipino, Interacciones medicamentosas)

Drugs that Prolong the QT Interval : Avoid concomitant use. (etiqueta de Fenobarbital, Interacciones medicamentosas)

…contraindicated with drugs that are primarily metabolized by CYP3A and for which elevated concentrations are associated with serious and/or life-threatening reactions and drugs that are strong CYP3A inducers where significantly reduced nirmatrelvir or ritonavir plasma concentrations may be associated with the potential for loss of virologic response and possible resistance. (etiqueta de Nirmatrelvir y ritonavir, Contraindicaciones)

Counsel patients to use a back-up method or alternative method of contraception when enzyme inducers are used with COCs ( 7.1 ) -- - ---------- ------ USE IN SPECIFIC POPULATIONS---- -- -- --------- ---- Lactation: Not recommended; Lo Loestrin Fe can decrease milk production ( 8.2 ) (etiqueta de Noretisterona y etinilestradiol, Interacciones medicamentosas)

Drugs that Prolong the QT Interval : Avoid concomitant use. (etiqueta de Fenobarbital, Interacciones medicamentosas)

CNS depressants: Closely monitor for sedation and respiratory depression. (etiqueta de Fenobarbital, Interacciones medicamentosas)

CNS depressants: Closely monitor for sedation and respiratory depression. (etiqueta de Fenobarbital, Interacciones medicamentosas)

WARNING: RISKS FROM CONCOMITANT USE WITH OPIOIDS; DEPENDENCE AND WITHDRAWAL REACTIONS AFTER USE OF SEZABY FOR A LONGER DURATION THAN RECOMMENDED; and ABUSE, MISUSE AND ADDICTION WITH UNAPPROVED USE IN ADOLESCENTS AND ADULTS Risks from Concomitant Use with Opioids Concomitant use of phenobarbital products, including SEZABY, and opioids may result in profound sedation,… (etiqueta de Fenobarbital, Advertencia en recuadro)

• Avoid concurrent use of alcohol or other central nervous system depressants with olopatadine hydrochloride nasal solution (nasal spray) ( 5.2 ). (etiqueta de Olopatadina, Advertencias y precauciones)

• Avoid concurrent use of alcohol or other central nervous system (CNS) depressants with RYALTRIS because additional reductions in alertness and additional impairment of CNS performance may occur. (etiqueta de Olopatadina y mometasona, Advertencias y precauciones)

Drugs that Prolong the QT Interval : Avoid concomitant use. (etiqueta de Fenobarbital, Interacciones medicamentosas)

CNS depressants: Closely monitor for sedation and respiratory depression. (etiqueta de Fenobarbital, Interacciones medicamentosas)

CNS depressants: Closely monitor for sedation and respiratory depression. (etiqueta de Fenobarbital, Interacciones medicamentosas)

CNS depressants: Closely monitor for sedation and respiratory depression. (etiqueta de Fenobarbital, Interacciones medicamentosas)

• Central Nervous System Depression Xyrem (sodium oxybate) is a CNS depressant. (etiqueta de Oxibato de sodio, Advertencia en recuadro)

WARNING: RISKS FROM CONCOMITANT USE WITH OPIOIDS; DEPENDENCE AND WITHDRAWAL REACTIONS AFTER USE OF SEZABY FOR A LONGER DURATION THAN RECOMMENDED; and ABUSE, MISUSE AND ADDICTION WITH UNAPPROVED USE IN ADOLESCENTS AND ADULTS Risks from Concomitant Use with Opioids Concomitant use of phenobarbital products, including SEZABY, and opioids may result in profound sedation,… (etiqueta de Fenobarbital, Advertencia en recuadro)

WARNING: RISKS FROM CONCOMITANT USE WITH OPIOIDS; DEPENDENCE AND WITHDRAWAL REACTIONS AFTER USE OF SEZABY FOR A LONGER DURATION THAN RECOMMENDED; and ABUSE, MISUSE AND ADDICTION WITH UNAPPROVED USE IN ADOLESCENTS AND ADULTS Risks from Concomitant Use with Opioids Concomitant use of phenobarbital products, including SEZABY, and opioids may result in profound sedation,… (etiqueta de Fenobarbital, Advertencia en recuadro)

WARNING: RISKS FROM CONCOMITANT USE WITH OPIOIDS; DEPENDENCE AND WITHDRAWAL REACTIONS AFTER USE OF SEZABY FOR A LONGER DURATION THAN RECOMMENDED; and ABUSE, MISUSE AND ADDICTION WITH UNAPPROVED USE IN ADOLESCENTS AND ADULTS Risks from Concomitant Use with Opioids Concomitant use of phenobarbital products, including SEZABY, and opioids may result in profound sedation,… (etiqueta de Fenobarbital, Advertencia en recuadro)

• CYP3A Inducers: Avoid concurrent use of IBRANCE with strong CYP3A inducers. (etiqueta de Palbociclib, Interacciones medicamentosas)

CNS depressants: Closely monitor for sedation and respiratory depression. (etiqueta de Fenobarbital, Interacciones medicamentosas)

WARNING: RISKS FROM CONCOMITANT USE WITH OPIOIDS; DEPENDENCE AND WITHDRAWAL REACTIONS AFTER USE OF SEZABY FOR A LONGER DURATION THAN RECOMMENDED; and ABUSE, MISUSE AND ADDICTION WITH UNAPPROVED USE IN ADOLESCENTS AND ADULTS Risks from Concomitant Use with Opioids Concomitant use of phenobarbital products, including SEZABY, and opioids may result in profound sedation,… (etiqueta de Fenobarbital, Advertencia en recuadro)

VOTRIENT is not recommended if chronic use of strong CYP3A4 inducers cannot be avoided. (etiqueta de Pazopanib, Interacciones medicamentosas)

Drugs that Prolong the QT Interval : Avoid concomitant use. (etiqueta de Fenobarbital, Interacciones medicamentosas)

WARNING: RISKS FROM CONCOMITANT USE WITH OPIOIDS; DEPENDENCE AND WITHDRAWAL REACTIONS AFTER USE OF SEZABY FOR A LONGER DURATION THAN RECOMMENDED; and ABUSE, MISUSE AND ADDICTION WITH UNAPPROVED USE IN ADOLESCENTS AND ADULTS Risks from Concomitant Use with Opioids Concomitant use of phenobarbital products, including SEZABY, and opioids may result in profound sedation,… (etiqueta de Fenobarbital, Advertencia en recuadro)

CNS depressants: Closely monitor for sedation and respiratory depression. (etiqueta de Fenobarbital, Interacciones medicamentosas)

WARNING: RISKS FROM CONCOMITANT USE WITH OPIOIDS; DEPENDENCE AND WITHDRAWAL REACTIONS AFTER USE OF SEZABY FOR A LONGER DURATION THAN RECOMMENDED; and ABUSE, MISUSE AND ADDICTION WITH UNAPPROVED USE IN ADOLESCENTS AND ADULTS Risks from Concomitant Use with Opioids Concomitant use of phenobarbital products, including SEZABY, and opioids may result in profound sedation,… (etiqueta de Fenobarbital, Advertencia en recuadro)

CNS depressants: Closely monitor for sedation and respiratory depression. (etiqueta de Fenobarbital, Interacciones medicamentosas)

CNS depressants: Closely monitor for sedation and respiratory depression. (etiqueta de Fenobarbital, Interacciones medicamentosas)

Drugs that Prolong the QT Interval : Avoid concomitant use. (etiqueta de Fenobarbital, Interacciones medicamentosas)

Drugs that Prolong the QT Interval : Avoid concomitant use. (etiqueta de Fenobarbital, Interacciones medicamentosas)

• Patients taking strong Cytochrome P450 3A enzyme (CYP3A) inducers, such as rifampin, [see Warnings and Precautions ( 5.6 ) and Drug Interactions ( 7.1 , 7.2 )] . (etiqueta de Praziquantel, Contraindicaciones)

• Respiratory Depression : May occur with LYRICA when used with concomitant CNS depressants or in the setting of underlying respiratory impairment. (etiqueta de Pregabalina, Advertencias y precauciones)

SEZABY is contraindicated in patients with: acute porphyrias [see Warnings and Precautions (5.8)], or a history of hypersensitivity reaction to phenobarbital or other barbiturates [see Warnings and Precautions (5.7)] Acute porphyrias (4) (etiqueta de Fenobarbital, Contraindicaciones)

Drugs that Prolong the QT Interval : Avoid concomitant use. (etiqueta de Fenobarbital, Interacciones medicamentosas)

CNS depressants: Closely monitor for sedation and respiratory depression. (etiqueta de Fenobarbital, Interacciones medicamentosas)

Drugs that Prolong the QT Interval : Avoid concomitant use. (etiqueta de Fenobarbital, Interacciones medicamentosas)

WARNING: RISKS FROM CONCOMITANT USE WITH OPIOIDS; DEPENDENCE AND WITHDRAWAL REACTIONS AFTER USE OF SEZABY FOR A LONGER DURATION THAN RECOMMENDED; and ABUSE, MISUSE AND ADDICTION WITH UNAPPROVED USE IN ADOLESCENTS AND ADULTS Risks from Concomitant Use with Opioids Concomitant use of phenobarbital products, including SEZABY, and opioids may result in profound sedation,… (etiqueta de Fenobarbital, Advertencia en recuadro)

Drugs that Prolong the QT Interval : Avoid concomitant use. (etiqueta de Fenobarbital, Interacciones medicamentosas)

CNS depressants: Closely monitor for sedation and respiratory depression. (etiqueta de Fenobarbital, Interacciones medicamentosas)

CNS depressants: Closely monitor for sedation and respiratory depression. (etiqueta de Fenobarbital, Interacciones medicamentosas)

Drugs that Prolong the QT Interval : Avoid concomitant use. (etiqueta de Fenobarbital, Interacciones medicamentosas)

Drugs that Prolong the QT Interval : Avoid concomitant use. (etiqueta de Fenobarbital, Interacciones medicamentosas)

CNS depressants: Closely monitor for sedation and respiratory depression. (etiqueta de Fenobarbital, Interacciones medicamentosas)

Drugs that Prolong the QT Interval : Avoid concomitant use. (etiqueta de Fenobarbital, Interacciones medicamentosas)

WARNING: RISKS FROM CONCOMITANT USE WITH OPIOIDS; DEPENDENCE AND WITHDRAWAL REACTIONS AFTER USE OF SEZABY FOR A LONGER DURATION THAN RECOMMENDED; and ABUSE, MISUSE AND ADDICTION WITH UNAPPROVED USE IN ADOLESCENTS AND ADULTS Risks from Concomitant Use with Opioids Concomitant use of phenobarbital products, including SEZABY, and opioids may result in profound sedation,… (etiqueta de Fenobarbital, Advertencia en recuadro)

Table 2: Drugs That are Contraindicated with EDURANT and EDURANT PED Drug Class Contraindicated Drugs in Class Clinical Comment Anticonvulsants Carbamazepine Oxcarbazepine Phenobarbital Phenytoin Potential for significant decreases in rilpivirine plasma concentrations due to CYP3A enzyme induction, which may result in loss of virologic response. (etiqueta de Rilpivirina, Contraindicaciones)

• Strong and Moderate CYP3A Inducers: Avoid concomitant administration. (etiqueta de Rimegepant, Interacciones medicamentosas)

CNS depressants: Closely monitor for sedation and respiratory depression. (etiqueta de Fenobarbital, Interacciones medicamentosas)

• Certain CYP3A inducers: Coadministration with strong inducers of CYP3A is not recommended. (etiqueta de Ritlecitinib, Interacciones medicamentosas)

WARNING: DRUG-DRUG INTERACTIONS LEADING TO POTENTIALLY SERIOUS AND/OR LIFE THREATENING REACTIONS Co-administration of NORVIR with several classes of drugs including sedative hypnotics, antiarrhythmics, or ergot alkaloid preparations may result in potentially serious and/or life-threatening adverse events due to possible effects of NORVIR on the hepatic metabolism… (etiqueta de Ritonavir, Advertencia en recuadro)

Avoid concomitant use of XARELTO with drugs that are known combined P-gp and strong CYP3A inducers [see Drug Interactions (7.3) ] . (etiqueta de Rivaroxabán, Advertencias y precauciones)

Therefore the use of strong cytochrome P450 inducers (e.g., rifampicin, phenobarbital, carbamazepine, and phenytoin) with DALIRESP is not recommended [see Warnings and Precautions (5.4) and Clinical Pharmacology (12.3) ]. (etiqueta de Roflumilast, Interacciones medicamentosas)

Intervention: Avoid the use of VARUBI in patients who require chronic administration of strong CYP3A4 inducers. (etiqueta de Rolapitant, Interacciones medicamentosas)

• Avoid use with rifampin and strong CYP3A4 inducers ( 7.3 ). (etiqueta de Romidepsina, Interacciones medicamentosas)

CNS depressants: Closely monitor for sedation and respiratory depression. (etiqueta de Fenobarbital, Interacciones medicamentosas)

Interaction with Strong Inhibitors and Inducers of CYP3A4 and/or P-gp Avoid concomitant use of sirolimus with strong inhibitors of CYP3A4 and/or P-gp (such as ketoconazole, voriconazole, itraconazole, erythromycin, telithromycin, or clarithromycin) or strong inducers of CYP3A4 and/or P-gp (such as rifampin or rifabutin) [ see Drug Interactions (7.2) ]. (etiqueta de Sirolimus, Advertencias y precauciones)

Anticonvulsants: carbamazepine phenytoin phenobarbital ↓ sofosbuvir ↓ velpatasvir ↓ voxilaprevir Coadministration is not recommended. (etiqueta de Sofosbuvir y velpatasvir, Interacciones medicamentosas)

Drugs that Prolong the QT Interval : Avoid concomitant use. (etiqueta de Fenobarbital, Interacciones medicamentosas)

• Strong CYP3A Inducers: Avoid strong CYP3A4 inducers. (etiqueta de Sorafenib, Interacciones medicamentosas)

Drugs that Prolong the QT Interval : Avoid concomitant use. (etiqueta de Fenobarbital, Interacciones medicamentosas)

CNS depressants: Closely monitor for sedation and respiratory depression. (etiqueta de Fenobarbital, Interacciones medicamentosas)

Drugs that Prolong the QT Interval : Avoid concomitant use. (etiqueta de Fenobarbital, Interacciones medicamentosas)

Drugs that Prolong the QT Interval : Avoid concomitant use. (etiqueta de Fenobarbital, Interacciones medicamentosas)

WARNING: RISKS FROM CONCOMITANT USE WITH OPIOIDS; DEPENDENCE AND WITHDRAWAL REACTIONS AFTER USE OF SEZABY FOR A LONGER DURATION THAN RECOMMENDED; and ABUSE, MISUSE AND ADDICTION WITH UNAPPROVED USE IN ADOLESCENTS AND ADULTS Risks from Concomitant Use with Opioids Concomitant use of phenobarbital products, including SEZABY, and opioids may result in profound sedation,… (etiqueta de Fenobarbital, Advertencia en recuadro)

CNS depressants: Closely monitor for sedation and respiratory depression. (etiqueta de Fenobarbital, Interacciones medicamentosas)

CNS depressants: Closely monitor for sedation and respiratory depression. (etiqueta de Fenobarbital, Interacciones medicamentosas)

Drugs that Prolong the QT Interval : Avoid concomitant use. (etiqueta de Fenobarbital, Interacciones medicamentosas)

• Avoid use with strong CYP3A inhibitors or CYP3A inducers. (etiqueta de Ticagrelor, Interacciones medicamentosas)

CNS depressants: Closely monitor for sedation and respiratory depression. (etiqueta de Fenobarbital, Interacciones medicamentosas)

Avoid co-administration of strong CYP3A4 inhibitors (e.g., itraconazole, clarithromycin, ritonavir) and strong CYP3A4 inducers (e.g., rifampin, phenytoin) with TEPADINA due to the potential effects on efficacy and toxicity [see Clinical Pharmacology ( 12.3 ) ] . (etiqueta de Tiotepa, Interacciones medicamentosas)

CNS depressants: Closely monitor for sedation and respiratory depression. (etiqueta de Fenobarbital, Interacciones medicamentosas)

CNS depressants: Closely monitor for sedation and respiratory depression. (etiqueta de Fenobarbital, Interacciones medicamentosas)

Drugs that Prolong the QT Interval : Avoid concomitant use. (etiqueta de Fenobarbital, Interacciones medicamentosas)

Avoid concomitant use of SAMSCA with strong CYP3A inducers. (etiqueta de Tolvaptán, Interacciones medicamentosas)

Drugs that Prolong the QT Interval : Avoid concomitant use. (etiqueta de Fenobarbital, Interacciones medicamentosas)

CYP3A inducers: Avoid concomitant strong CYP3A inducers ( 7.1 ) (etiqueta de Trabectedina, Interacciones medicamentosas)

WARNING: RISKS FROM CONCOMITANT USE WITH OPIOIDS; DEPENDENCE AND WITHDRAWAL REACTIONS AFTER USE OF SEZABY FOR A LONGER DURATION THAN RECOMMENDED; and ABUSE, MISUSE AND ADDICTION WITH UNAPPROVED USE IN ADOLESCENTS AND ADULTS Risks from Concomitant Use with Opioids Concomitant use of phenobarbital products, including SEZABY, and opioids may result in profound sedation,… (etiqueta de Fenobarbital, Advertencia en recuadro)

WARNING: RISKS FROM CONCOMITANT USE WITH OPIOIDS; DEPENDENCE AND WITHDRAWAL REACTIONS AFTER USE OF SEZABY FOR A LONGER DURATION THAN RECOMMENDED; and ABUSE, MISUSE AND ADDICTION WITH UNAPPROVED USE IN ADOLESCENTS AND ADULTS Risks from Concomitant Use with Opioids Concomitant use of phenobarbital products, including SEZABY, and opioids may result in profound sedation,… (etiqueta de Fenobarbital, Advertencia en recuadro)

Drugs that Prolong the QT Interval : Avoid concomitant use. (etiqueta de Fenobarbital, Interacciones medicamentosas)

Avoid concomitant use with strong CYP3A inducers if possible. (etiqueta de Tretinoína, Interacciones medicamentosas)

CNS depressants: Closely monitor for sedation and respiratory depression. (etiqueta de Fenobarbital, Interacciones medicamentosas)

CNS depressants: Closely monitor for sedation and respiratory depression. (etiqueta de Fenobarbital, Interacciones medicamentosas)

Drugs that Prolong the QT Interval : Avoid concomitant use. (etiqueta de Fenobarbital, Interacciones medicamentosas)

Strong CYP3A4 Inducers: Should be avoided as concomitant use will result in reduction of ubrogepant exposure. (etiqueta de Ubrogepant, Interacciones medicamentosas)

Ella should not be administered with CYP3A4 inducers [see Drug interactions (7.1) and Clinical Pharmacology (12.3) ] . (etiqueta de Ulipristal, Advertencias y precauciones)

Strong CYP3A4 Inducers : Coadministration of RINVOQ/RINVOQ LQ with strong CYP3A4 inducers is not recommended. (etiqueta de Upadacitinib, Interacciones medicamentosas)

Drugs that Prolong the QT Interval : Avoid concomitant use. (etiqueta de Fenobarbital, Interacciones medicamentosas)

Drugs that Prolong the QT Interval : Avoid concomitant use. (etiqueta de Fenobarbital, Interacciones medicamentosas)

Drugs that Prolong the QT Interval : Avoid concomitant use. (etiqueta de Fenobarbital, Interacciones medicamentosas)

Strong CYP3A Inducers : Avoid concomitant use with strong CYP3A inducers. (etiqueta de Vepdegestrant, Interacciones medicamentosas)

Drugs that Prolong the QT Interval : Avoid concomitant use. (etiqueta de Fenobarbital, Interacciones medicamentosas)

CNS depressants: Closely monitor for sedation and respiratory depression. (etiqueta de Fenobarbital, Interacciones medicamentosas)

CNS depressants: Closely monitor for sedation and respiratory depression. (etiqueta de Fenobarbital, Interacciones medicamentosas)

CNS depressants: Closely monitor for sedation and respiratory depression. (etiqueta de Fenobarbital, Interacciones medicamentosas)

By decreasing the gastrointestinal absorption of primidone, acetazolamide may decrease serum concentrations of primidone and its metabolites, with a consequent possible decrease in anticonvulsant effect. (etiqueta de Acetazolamida, Interacciones medicamentosas)

Anticonvulsants Salicylic acid can displace protein-bound phenytoin and valproic acid, leading to a decrease in the total concentration of phenytoin and an increase in serum valproic acid levels. (etiqueta de Ácido acetilsalicílico y dipiridamol, Interacciones medicamentosas)

Estos fármacos antiepilépticos reducen los niveles de folato, y los suplementos de ácido fólico pueden a su vez reducir los niveles en sangre del fármaco. (NIH Office of Dietary Supplements, Folate)

Effects of VYKOURA on Other Drugs Certain Antiepileptic Drugs Increase monitoring for seizure activity in patients taking certain concomitant antiepileptic drugs. (etiqueta de Ácido folínico (leucovorina), Interacciones medicamentosas)

Effects of Leucovorin Products on Other Drugs Antiepileptic Drugs Folic acid in large amounts may counteract the antiepileptic effect of phenobarbital, phenytoin and primidone and increase the frequency of seizures in susceptible children. (etiqueta de Ácido levofolínico (levoleucovorina), Interacciones medicamentosas)

Risk of Neurologic Symptoms: Neurocysticercosis patients may experience cerebral hypertensive episodes, seizures or focal neurologic deficits after initiation of therapy; begin appropriate steroid and anticonvulsant therapy. (etiqueta de Albendazol, Advertencias y precauciones)

Inform patients also that the central nervous system depressant effects of allopurinol tablets may be additive to those of alcohol and other CNS depressants. (etiqueta de Alopurinol, Advertencias y precauciones)

30% increase Phenobarbital (PB) Similar to aminoglutethimide. (etiqueta de Aminofilina, Interacciones medicamentosas)

Blood pressure should be closely monitored when amlodipine is co-administered with CYP3A inducers. (etiqueta de Amlodipino, Interacciones medicamentosas)

Blood pressure should be closely monitored when amlodipine is co-administered with CYP3A inducers. (etiqueta de Amlodipino y atorvastatina, Interacciones medicamentosas)

Blood pressure should be monitored when amlodipine is coadministered with CYP3A4 inducers (e.g. rifampicin, St. (etiqueta de Amlodipino y benazepril, Interacciones medicamentosas)

Blood pressure should be closely monitored when amlodipine is co-administered with CYP3A inducers. (etiqueta de Amlodipino y olmesartán, Interacciones medicamentosas)

Blood pressure should be closely monitored when amlodipine is coadministered with CYP3A inducers (e.g. rifampicin, St. (etiqueta de Amlodipino y valsartán, Interacciones medicamentosas)

Amoxapine may enhance the response to alcohol and the effects of barbiturates and other CNS depressants. (etiqueta de Amoxapina, Interacciones medicamentosas)

…cyclophosphamide, flutamide, hydroxyurea, ifosfamide, rasburicase Antibiotics dapsone, nitrofurantoin, para-aminosalicylic acid, sulfonamides Antimalarials chloroquine, primaquine Anticonvulsants phenobarbital, phenytoin, sodium valproate Other drugs acetaminophen, metoclopramide, quinine, sulfasalazine Monoamine Oxidase Inhibitors, Nonselective Beta-Adrenergic… (etiqueta de Articaína y adrenalina, Interacciones medicamentosas)

CYP3A4/5 Inducers Co-administration of rifampin, a strong inducer of CYP3A4/5, reduced the plasma exposure of axitinib in healthy volunteers. (etiqueta de Axitinib, Interacciones medicamentosas)

Patients with major risk factors for decreased bone mineral content, such as prolonged immobilization, family history of osteoporosis, or chronic use of drugs that can reduce bone mass (e.g., anticonvulsants and corticosteroids) should be monitored and treated with established standards of care. (etiqueta de Beclometasona, Advertencias y precauciones)

Alcohol, barbiturates or narcotics: Concomitant administration of thiazide diuretics with alcohol, barbiturates, or narcotics may potentiate orthostatic hypotension. (etiqueta de Benazepril e hidroclorotiazida, Interacciones medicamentosas)

Clinically Significant Interactions with Bexagliflozin Tablets UGT Enzyme Inducers Clinical Impact UGT Enzyme Inducers may significantly reduce exposure to bexagliflozin and lead to a decreased efficacy [ see Clinical Pharmacology ( 12.3 )]. (etiqueta de Bexagliflozina, Interacciones medicamentosas)

Alcohol, barbiturates, or narcotics - potentiation of orthostatic hypotension may occur. (etiqueta de Bisoprolol e hidroclorotiazida, Precauciones)

Use with CNS depressants may result in an additive or potentiating effect. (etiqueta de Brimonidina, Interacciones medicamentosas)

Use with CNS depressants may result in an additive or potentiating effect. (etiqueta de Brimonidina y timolol, Interacciones medicamentosas)

Central Nervous System (CNS) depressants Antihistamines have additive effects with alcohol and other CNS depressants (hypnotics, sedatives, tranquilizers, antianxiety agents, etc.). Antihypertensive drugs Sympathomimetic may reduce the effects of antihypertensive drugs. (etiqueta de Bromfeniramina, pseudoefedrina y dextrometorfano, Interacciones medicamentosas)

Therefore, potent inhibitors or inducers of CYP3A4 may increase or reduce the circulating levels of CYCLOSET, respectively. (etiqueta de Bromocriptina, Interacciones medicamentosas)

Patients with major risk factors for decreased bone mineral content, such as prolonged immobilization, family history of osteoporosis, post menopausal status, tobacco use, advance age, poor nutrition, or chronic use of drugs that can reduce bone mass (e.g., anticonvulsants, oral corticosteroids) should be monitored and treated with established standards of care. (etiqueta de Budesonida, Advertencias y precauciones)

Patients with major risk factors for decreased bone mineral content, such as prolonged immobilization, family history of osteoporosis, postmenopausal status, tobacco use, advanced age, poor nutrition, or chronic use of drugs that can reduce bone mass (e.g., anticonvulsants, oral corticosteroids) should be monitored and treated with established standards of care. (etiqueta de Budesonida y formoterol, Advertencias y precauciones)

Possible early warning signs of central nervous system (CNS) toxicity are restlessness, anxiety, incoherent speech, lightheadedness, numbness and tingling of the mouth and lips, metallic taste, tinnitus, dizziness, blurred vision, tremors, twitching, CNS depression, or drowsiness. (etiqueta de Bupivacaína, Advertencias y precauciones)

Possible early warning signs of central nervous system (CNS) toxicity are restlessness, anxiety, incoherent speech, lightheadedness, numbness and tingling of the mouth and lips, metallic taste, tinnitus, dizziness, blurred vision, tremors, twitching, CNS depression, or drowsiness. (etiqueta de Bupivacaína y adrenalina, Advertencias y precauciones)

Triazolam/flurazepam: Coadministration of buspirone with either triazolam or flurazepam did not appear to prolong or intensify the sedative effects of either benzodiazepine. (etiqueta de Buspirona, Interacciones medicamentosas)

Phenytoin/Phenobarbital The coadministration of phenytoin or phenobarbital will not affect plasma concentrations of calcitriol, but may reduce endogenous plasma levels of 25(OH)D 3 by accelerating metabolism. (etiqueta de Calcitriol, Interacciones medicamentosas)

Examples: Rifampin, phenytoin, phenobarbital, ritonavir Insulin or Insulin Secretagogues Clinical Impact: The risk of hypoglycemia is increased when INVOKANA is used concomitantly with insulin secretagogues (e.g., sulfonylurea) or insulin. (etiqueta de Canagliflozina, Interacciones medicamentosas)

Interactions with Hydrochlorothiazide Alcohol, barbiturates, or narcotics − Potentiation of orthostatic hypotension may occur. (etiqueta de Candesartán e hidroclorotiazida, Interacciones medicamentosas)

Consider alternative drugs to phenobarbital. (etiqueta de Carmustina, Interacciones medicamentosas)

Inducers of Hepatic CYP Enzymes Rifampin : Rifampin is a potent CYP3A4 inducer and concomitant administration with caspofungin acetate for injection is expected to reduce the plasma concentrations of caspofungin acetate for injection. (etiqueta de Caspofungina, Interacciones medicamentosas)

Phenobarbital and Clobazam: Reduce dosage as needed when used concomitantly with XCOPRI. (etiqueta de Cenobamato, Interacciones medicamentosas)

Patients with major risk factors for decreased bone mineral content, such as prolonged immobilization, family history of osteoporosis, or chronic use of drugs that can reduce bone mass (e.g., anticonvulsants and oral corticosteroids) should be monitored and treated with established standards of care. (etiqueta de Ciclesonida, Advertencias y precauciones)

John’s Wort rifampin oxcarbazepine octreotide phenobarbital orlistat phenytoin sulfinpyrazone terbinafine ticlopidine Bosentan Coadministration of bosentan (250 to 1000 mg every 12 hours based on tolerability) and cyclosporine (300 mg every 12 hours for 2 days then dosing to achieve a C min of 200 to 250 ng/mL) for 7 days in healthy subjects resulted in decreases… (etiqueta de Ciclosporina, Interacciones medicamentosas)

CNS Depressants Antihistamines may have additive effects with alcohol and other CNS depressants, e.g., hypnotics, sedatives, tranquilizers, antianxiety agents. (etiqueta de Ciproheptadina, Advertencias)

Use with CNS Depressants Clemastine has additive effects with alcohol and other CNS depressants (hypnotics, sedatives, tranquilizers, etc.). Use in Activities Requiring Mental Alertness Patients should be warned about engaging in activities requiring mental alertness such as driving a car or operating appliances, machinery, etc. (etiqueta de Clemastina, Advertencias)

Inducers of CYP3A4 and CYP3A5 Inducers of CYP3A4 and/or CYP3A5 may reduce plasma concentrations of clindamycin. (etiqueta de Clindamicina, Interacciones medicamentosas)

Administration of CMI has been reported to increase the plasma levels of phenobarbital, if given concomitantly ( see CLINICAL PHARMACOLOGY, Interactions ). (etiqueta de Clomipramina, Interacciones medicamentosas)

…procaine, ropivacaine, tetracaine Antineoplastic agents cyclophosphamide, flutamide, hydroxyurea, ifosfamide, rasburicase Antibiotics dapsone, nitrofurantoin, para-aminosalicylic acid, sulfonamides Antimalarials chloroquine, primaquine Anticonvulsants Phenobarbital, phenytoin, sodium valproate Other drugs acetaminophen, metoclopramide, quinine, sulfasalazine (etiqueta de Cloroprocaína, Precauciones)

Alcohol, Barbiturates, or Narcotics - potentiation of orthostatic hypotension may occur. (etiqueta de Clorotiazida, Interacciones medicamentosas)

Drug Interactions Cholestyramine for Oral Suspension USP may delay or reduce the absorption of concomitant oral medication such as phenylbutazone, warfarin, thiazide diuretics (acidic), or propranolol (basic), as well as tetracycline, penicillin G, phenobarbital, thyroid and thyroxine preparations, estrogens and progestins, and digitalis. (etiqueta de Colestiramina, Interacciones medicamentosas)

The concomitant use of Exjade with potent UGT inducers (e.g., rifampicin, phenytoin, phenobarbital, ritonavir) may result in a decrease in Exjade efficacy due to a possible decrease in deferasirox concentration. (etiqueta de Deferasirox, Interacciones medicamentosas)

Some drugs or herbal products that may decrease the effectiveness of hormonal contraceptives include phenytoin, barbiturates, carbamazepine, bosentan, felbamate, griseofulvin, oxcarbazepine, rifampicin, topiramate, rifabutin, rufinamide, aprepitant, and products containing St. (etiqueta de Desogestrel y etinilestradiol, Interacciones medicamentosas)

Use with CNS Depressants CORPHENA Oral Solution has additive effects with alcohol and other CNS depressants (hypnotics, sedatives, tranquilizers, etc.). Use in Activities Requiring Mental Alertness Patients should be warned about engaging in activities requiring mental alertness such as driving a car or operating appliances, machinery, etc. (etiqueta de Dexclorfeniramina, Advertencias)

Clinically Relevant Interactions Affecting DEXILANT When Coadministered with Other Drugs and Substances CYP2C19 or CYP3A4 Inducers Clinical Impact: Decreased exposure of dexlansoprazole when used concomitantly with strong inducers [see Clinical Pharmacology (12.3) ] . (etiqueta de Dexlansoprazol, Interacciones medicamentosas)

Exercise caution when prescribing ZIPSOR with concomitant drugs that are known to be potentially hepatotoxic (e.g., acetaminophen, antibiotics, antiepileptics). (etiqueta de Diclofenaco, Advertencias y precauciones)

Exercise caution when prescribing diclofenac sodium/misoprostol with concomitant drugs that are known to be potentially hepatotoxic (e.g., antibiotics, anti-epileptics). (etiqueta de Diclofenaco y misoprostol, Advertencias y precauciones)

Drug Interactions Diphenhydramine hydrochloride has additive effects with alcohol and other CNS depressants (hypnotics, sedatives, tranquilizers, etc). (etiqueta de Difenhidramina, Interacciones medicamentosas)

MOTOFEN ® may potentiate the action of barbiturates, tranquilizers, narcotics, and alcohol. (etiqueta de Difenoxina y atropina, Interacciones medicamentosas)

The concomitant use of alcohol or other central nervous system depressants may have an additive effect. (etiqueta de Dimenhidrinato, Advertencias)

Potential additive effects when used in combination with CNS depressants or sedating antihistamines. (etiqueta de Doxepina, Advertencias y precauciones)

Examples Glutethimide and phenobarbital Intervention If a patient initiates or discontinues therapy with an enzyme inducer, dose adjustment of doxercalciferol may be necessary. (etiqueta de Doxercalciferol, Interacciones medicamentosas)

Barbiturates, carbamazepine and phenytoin decrease the half-life of doxycycline. (etiqueta de Doxiciclina, Interacciones medicamentosas)

Some drugs or herbal products that may decrease the effectiveness of hormonal contraceptives include phenytoin, barbiturates, carbamazepine, bosentan, felbamate, griseofulvin, oxcarbazepine, rifampin, topiramate and products containing St. (etiqueta de Drospirenona y etinilestradiol, Interacciones medicamentosas)

Potential for Other Drugs to Affect Efavirenz Drugs that induce CYP3A activity (e.g., phenobarbital, rifampin, rifabutin) would be expected to increase the clearance of efavirenz resulting in lowered plasma concentrations [ see Dosage and Administration ( 2.2 ) ]. (etiqueta de Efavirenz, Interacciones medicamentosas)

Drugs that induce CYP3A activity (e.g., phenobarbital, rifampin, rifabutin) would be expected to increase the clearance of EFV resulting in lowered plasma concentrations. (etiqueta de Efavirenz, lamivudina y tenofovir, Interacciones medicamentosas)

Other Agents Anticonvulsants: carbamazepine oxcarbazepine phenobarbital phenytoin ↓ TAF Consider alternative anticonvulsant. (etiqueta de Emtricitabina y tenofovir, Interacciones medicamentosas)

Hydrochlorothiazide When administered concurrently the following drugs may interact with thiazide diuretics: Alcohol, barbiturates, or narcotics Potentiation of orthostatic hypotension may occur. (etiqueta de Enalapril e hidroclorotiazida, Interacciones medicamentosas)

CYP3A4 Inducers Pre-treatment with a CYP3A4 inducer prior to erlotinib decreased erlotinib exposure [see Clinical Pharmacology (12.3) ]. (etiqueta de Erlotinib, Interacciones medicamentosas)

If focal tremors, myoclonus, or seizures occur, patients should be evaluated neurologically, placed on anticonvulsant therapy if not already instituted, and the dosage of INVANZ re-examined to determine whether it should be decreased or discontinued. (etiqueta de Ertapenem, Advertencias y precauciones)

Weigh this potential risk against the benefits before prescribing TRANSDERM SCŌP to patients with a history of seizures, including those receiving anti-epileptic medication or who have risk factors that can lower the seizure threshold. (etiqueta de Escopolamina, Advertencias y precauciones)

Phenobarbital or Primidone: Higher dosage of APTIOM may be necessary. (etiqueta de Eslicarbazepina, Interacciones medicamentosas)

Table 4: Clinically Relevant Interactions Affecting Esomeprazole When Co-Administered with Other Drugs CYP2C19 or CYP3A4 Inducers Clinical Impact: Decreased exposure of esomeprazole when used concomitantly with strong inducers [see Clinical Pharmacology (12.3) ]. (etiqueta de Esomeprazol, Interacciones medicamentosas)

Alcohol, barbiturates, or narcotics: Potentiation of orthostatic hypotension may occur. (etiqueta de Espironolactona e hidroclorotiazida, Interacciones medicamentosas)

John's Wort preparations (Hypericum perforatum), phenobarbital, carbamazepine, and rifampin may reduce plasma concentrations of estrogens, possibly resulting in a decrease in therapeutic effects and/or changes in the uterine bleeding profile. (etiqueta de Estradiol, Interacciones medicamentosas)

Women who take medications that are strong CYP3A4 inducers should not choose Natazia as their oral contraceptive while using these inducers and for at least 28 days after discontinuation of these inducers due to the possibility of increased breakthrough bleeding and/or decreased contraceptive efficacy. (etiqueta de Estradiol y dienogest, Interacciones medicamentosas)

John's wort ( Hypericum perforatum ) preparations, phenobarbital, carbamazepine, and rifampin may reduce plasma concentrations of estrogens, possibly resulting in a decrease in therapeutic effects and/or changes in the uterine bleeding profile. (etiqueta de Estradiol y noretisterona, Interacciones medicamentosas)

John's Wort (Hypericum perforatum) preparations, phenobarbital, carbamazepine, and rifampin, may reduce plasma concentrations of some estrogens, possibly resulting in a decrease in therapeutic effects and/or changes in the uterine bleeding profile. (etiqueta de Estrógenos conjugados y bazedoxifeno, Interacciones medicamentosas)

Some drugs or herbal products that may decrease the effectiveness of hormonal contraceptives include: phenytoin, barbiturates, carbamazepine, bosentan, felbamate, griseofulvin, oxcarbazepine, rifampicin, topiramate, rifabutin, rufinamide, aprepitant, and products containing St. (etiqueta de Etonogestrel y etinilestradiol, Interacciones medicamentosas)

Strong CYP3A inducer and P-gp inducer : Increase the dosage as recommended. (etiqueta de Everolimus, Interacciones medicamentosas)

Strong CYP 3A4 inducers: Concomitant use of strong CYP 3A4 inducers decreases exemestane exposure. (etiqueta de Exemestano, Interacciones medicamentosas)

Anticonvulsants - In a pharmacokinetic study, maximum plasma concentrations of felodipine were considerably lower in epileptic patients on long-term anticonvulsant therapy (e.g., phenytoin, carbamazepine, or phenobarbital) than in healthy volunteers. (etiqueta de Felodipino, Interacciones medicamentosas)

Additionally, consider alternatives to structurally similar drugs such as carboxamides (e.g., carbamazepine) and hydantoins (e.g., phenytoin) in these same patients. (etiqueta de Fenobarbital, Advertencias y precauciones)

Intervention: When phenobarbital is added to or withdrawn from treatment, dosage adjustment of FENOPROFEN CALCIUM may be required. (etiqueta de Fenoprofeno, Interacciones medicamentosas)

The concomitant use of alcohol or central nervous system (CNS) depressant drugs with phentermine and topiramate extended-release capsules may potentiate CNS depression or other centrally mediated effects of these agents, such as dizziness, cognitive adverse reactions, drowsiness, light-headedness, impaired coordination, and somnolence. (etiqueta de Fentermina y topiramato, Advertencias y precauciones)

CYP3A4 Inducers No dosing adjustments are recommended in the presence of CYP3A4 inducers, such as rifampin and carbamazepine. (etiqueta de Fesoterodina, Interacciones medicamentosas)

Barbiturates, phenytoin, or rifampin —increased metabolic clearance of fludrocortisone acetate because of the induction of hepatic enzymes. (etiqueta de Fludrocortisona, Interacciones medicamentosas)

Patients with major risk factors for decreased bone mineral content, such as prolonged immobilization, family history of osteoporosis, postmenopausal status, tobacco use, advanced age, poor nutrition, or chronic use of drugs that can reduce bone mass (e.g., anticonvulsants, oral corticosteroids), should be monitored and treated with established standards of care. (etiqueta de Fluticasona, Advertencias y precauciones)

Patients with major risk factors for decreased bone mineral content, such as prolonged immobilization, family history of osteoporosis, or chronic use of drugs that can reduce bone mass (e.g., anticonvulsants, oral corticosteroids) should be monitored and treated with established standards of care. (etiqueta de Fluticasona y salmeterol, Advertencias y precauciones)

CYP3A4 Interactions: Fosaprepitant is a weak inhibitor of CYP3A4, and aprepitant, the active moiety, is a substrate, inhibitor, and inducer of CYP3A4; see Full Prescribing Information for recommendations regarding contraindications, risk of adverse reactions, and dosage adjustment of FOCINVEZ and concomitant drugs. (etiqueta de Fosaprepitant, Advertencias y precauciones)

John's wort may vary widely based on preparation. theophylline Drugs that may either increase or decrease phenytoin serum levels Antiepileptic drugs Phenobarbital, valproate sodium, valproic acid 7.2 Drugs Affected by Phenytoin or CEREBYX Table 7 includes commonly occurring drug interactions affected by phenytoin (the active metabolite of CEREBYX). (etiqueta de Fosfenitoína, Interacciones medicamentosas)

• CYP3A4 Inducer: Increase IRESSA to 500 mg daily in patients receiving a strong CYP3A4 inducer. (etiqueta de Gefitinib, Interacciones medicamentosas)

Other Anticholinergic Drugs There is potential for an additive interaction between glycopyrrolate and concomitantly used anticholinergic drugs (e.g., tricyclic antidepressants, anti-epileptics, class I antiarrhythmics, anti­-spasmodics, amantadine) resulting in increased anticholinergic adverse reactions. (etiqueta de Glicopirronio, Interacciones medicamentosas)

…including glimepiride, leading to worsening glycemic control: danazol, glucagon, somatropin, protease inhibitors, atypical antipsychotic medications (e.g., olanzapine and clozapine), barbiturates, diazoxide, laxatives, rifampin, thiazides and other diuretics, corticosteroids, phenothiazines, thyroid hormones, estrogens, oral contraceptives, phenytoin, nicotinic… (etiqueta de Glimepirida, Interacciones medicamentosas)

Barbiturates usually depress griseofulvin activity by decreasing plasma levels and concomitant administration may require a dosage adjustment of the antifungal agent. (etiqueta de Griseofulvina, Interacciones medicamentosas)

Consider the potential for additive sedative effects with CNS depressant drugs. (etiqueta de Guanfacina, Advertencias y precauciones)

Concomitant administration of inducers of CYP3A4 may lead to decreases in serum concentrations of ALKINDI SPRINKLE and increase the risk of adverse reactions, including adrenal crisis. (etiqueta de Hidrocortisona, Interacciones medicamentosas)

• CYP3A4 Inducers: Monitor for increased toxicity when used in combination with CYP3A4 inducers. (etiqueta de Ifosfamida, Interacciones medicamentosas)

CYP3A4 inducers may decrease Gleevec C max and area under curve (AUC). (etiqueta de Imatinib, Interacciones medicamentosas)

If focal tremors, myoclonus, or seizures occur, patients should be evaluated neurologically, placed on anticonvulsant therapy if not already instituted, and the dosage of PRIMAXIN re-examined to determine whether it should be decreased, or the antibacterial drug discontinued ( 5.2 ). (etiqueta de Imipenem y cilastatina, Advertencias y precauciones)

Imipramine hydrochloride may enhance the CNS depressant effects of alcohol. (etiqueta de Imipramina, Advertencias)

Concomitant Use with CYP3A Inducers Use of KALYDECO with strong CYP3A inducers, such as rifampin, substantially decreases the exposure of ivacaftor, which may reduce the therapeutic effectiveness of KALYDECO. (etiqueta de Ivacaftor, Advertencias y precauciones)

Anyone considering prescribing VIMPAT or any other AED must balance this risk with the risk of untreated illness. (etiqueta de Lacosamida, Advertencias y precauciones)

Carbamazepine, phenytoin, phenobarbital, primidone, and rifampin decrease lamotrigine concentrations by approximately 40%. (etiqueta de Lamotrigina, Interacciones medicamentosas)

Clinically Relevant Interactions Affecting PREVACID or PREVACID SoluTab When Coadministered with Other Drugs CYP2C19 OR CYP3A4 Inducers Clinical Impact: Decreased exposure of lansoprazole when used concomitantly with strong inducers [see Clinical Pharmacology (12.3) ] . (etiqueta de Lansoprazol, Interacciones medicamentosas)

Anticonvulsants: carbamazepine phenytoin phenobarbital ↓ ledipasvir ↓ sofosbuvir Coadministration of ledipasvir and sofosbuvir with carbamazepine, phenytoin, or phenobarbital is expected to decrease the concentration of ledipasvir and sofosbuvir, leading to reduced therapeutic effect of ledipasvir and sofosbuvir. (etiqueta de Ledipasvir y sofosbuvir, Interacciones medicamentosas)

Enzyme inducers (e.g., CYP3A4) : May decrease the effectiveness of TYBLUME or increase breakthrough bleeding. (etiqueta de Levonorgestrel y etinilestradiol, Interacciones medicamentosas)

Drug or Drug Class Effect Phenobarbital Rifampin Phenobarbital has been shown to reduce the response to thyroxine. (etiqueta de Levotiroxina, Interacciones medicamentosas)

Possible early warning signs of central nervous system (CNS) toxicity are restlessness, anxiety, incoherent speech, lightheadedness, metallic taste, tinnitus, dizziness, blurred vision, tremors, twitching, CNS depression, or drowsiness. (etiqueta de Lidocaína y adrenalina, Advertencias y precauciones)

…prilocaine, procaine, ropivacaine, tetracaine Antineoplastic agents cyclophosphamide, flutamide, hydroxyurea, isofamide, rasburicase Antibiotics dapsone, nitrofurantoin, para-aminosalicylic acid, sufonamides Antimalarials chloroquine, primaquine Anticonvulsants Phenobarbital, phenytoin, sodium valproate Other drugs acetaminophen, metoclopramide, quinine, sulfasalazine (etiqueta de Lidocaína y prilocaína, Interacciones medicamentosas)

Strong P-glycoprotein/CYP3A4 inducer: The efficacy of TRADJENTA may be reduced when administered in combination (e.g., with rifampin). (etiqueta de Linagliptina, Interacciones medicamentosas)

Inducers of P-glycoprotein or CYP3A4 Enzymes Clinical Impact Rifampin decreased linagliptin exposure, suggesting that the efficacy of linagliptin may be reduced when administered in combination with a strong P-gp or CYP3A4 inducer. (etiqueta de Linagliptina y metformina, Interacciones medicamentosas)

Drug or Drug Class Effect Phenobarbital Rifampin Phenobarbital has been shown to reduce the response to thyroxine. (etiqueta de Liotironina, Interacciones medicamentosas)

Alcohol, barbiturates, or narcotics - potentiation of orthostatic hypotension may occur. (etiqueta de Lisinopril e hidroclorotiazida, Interacciones medicamentosas)

Increased Risk of CNS Depression with Concomitant use of CNS Depressant Drugs : Lofexidine tablets potentiates the CNS depressant effects of benzodiazepines and may potentiate the CNS depressant effects of alcohol, barbiturates, and other sedating drugs. (etiqueta de Lofexidina, Advertencias y precauciones)

• If patients with severe renal impairment or ESRD receiving SELZENTRY (without concomitant CYP3A inducers or inhibitors) experience postural hypotension, the dose of SELZENTRY should be reduced from 300 mg twice daily to 150 mg twice daily. (etiqueta de Maraviroc, Advertencias y precauciones)

• Coadministration of meclizine hydrochloride with other CNS depressants, including alcohol, may result in increased CNS depression ( 7.1 ). (etiqueta de Meclozina, Interacciones medicamentosas)

MPA Injectable Suspension, USP can pose an additional risk in patients with risk factors for osteoporosis (e.g., metabolic bone disease, chronic alcohol and/or tobacco use, anorexia nervosa, strong family history of osteoporosis or chronic use of drugs that can reduce bone mass such as anticonvulsants or corticosteroids). (etiqueta de Medroxiprogesterona, Advertencias y precauciones)

Anticonvulsants In patients taking an anticonvulsant (e.g., valproic acid, carbamazepine, phenobarbital or phenytoin), the concomitant use of mefloquine may reduce seizure control by lowering the plasma levels of the anticonvulsant. (etiqueta de Mefloquina, Interacciones medicamentosas)

Inducers of CYP3A4 (e.g., phenytoin, carbamazepine, dexamethasone, rifampin, and phenobarbital) could increase the rate of elimination of donepezil. (etiqueta de Memantina y donepezilo, Interacciones medicamentosas)

…procaine, ropivacaine, tetracaine Antineoplastic agents cyclophosphamide, flutamide, hydroxyurea, ifosfamide, rasburicase Antibiotics dapsone, nitrofurantoin, para-aminosalicylic acid, sulfonamides Antimalarials chloroquine, primaquine Anticonvulsants phenobarbital, phenytoin, sodium valproate Other drugs acetaminophen, metoclopramide, quinine, sulfasalazine (etiqueta de Mepivacaína, Interacciones medicamentosas)

Additive Effects Since the effects of meprobamate and alcohol or meprobamate and other CNS depressants or psychotropic drugs may be additive,appropriate caution should be exercised with patients who take more than one of these agents simultaneously. (etiqueta de Meprobamato, Advertencias)

Drug Interactions Since Celontin (methsuximide) may interact with concurrently administered antiepileptic drugs, periodic serum level determinations of these drugs may be necessary (eg, methsuximide may increase the plasma concentrations of phenytoin and phenobarbital). (etiqueta de Mesuximida, Interacciones medicamentosas)

CYP3A4 inducers Drugs (e.g. nevirapine, rifampin) that are strong inducers of CYP3A4 are likely to decrease the pharmacological action of methylergonovine maleate. (etiqueta de Metilergometrina, Interacciones medicamentosas)

Hepatic Enzyme Inducers (e.g., barbiturates, phenytoin, carbamazepine, rifampin) : Drugs which induce cytochrome P450 3A4 enzyme activity may enhance the metabolism of corticosteroids and require that the dosage of the corticosteroid be increased. (etiqueta de Metilprednisolona, Interacciones medicamentosas)

Concurrent use of metyrosine with alcohol or other CNS depressants can increase their sedative effects. (etiqueta de Metirosina, Interacciones medicamentosas)

Concomitant use of central nervous system (CNS) depressants or drugs associated with EPS may increase this effect (e.g., alcohol, sedatives, hypnotics, opiates, and anxiolytics). (etiqueta de Metoclopramida, Advertencias y precauciones)

Alcohol, Barbiturates, And Narcotics The hypotensive effects of these drugs may be potentiated by the volume contraction that may be associated with metolazone therapy. (etiqueta de Metolazona, Interacciones medicamentosas)

Inducers of CYP450 Liver Enzymes The simultaneous administration of LIKMEZ and drugs that induce microsomal liver enzymes, such as phenytoin or phenobarbital, may accelerate the elimination of metronidazole, resulting in reduced plasma concentrations of metronidazole. (etiqueta de Metronidazol, Interacciones medicamentosas)

John's Wort, tramadol, tryptophan, buspirone Strong CYP3A Inducers Clinical Impact The concomitant use of strong CYP3A inducers with REMERON/REMERONSolTab decreases the plasma concentration of mirtazapine [see Clinical Pharmacology (12.3) ] . (etiqueta de Mirtazapina, Interacciones medicamentosas)

Patients with major risk factors for decreased bone mineral content, such as prolonged immobilization, family history of osteoporosis, or chronic use of drugs that can reduce bone mass (e.g., anticonvulsants and corticosteroids) should be monitored and treated with established standards of care. (etiqueta de Mometasona, Advertencias y precauciones)

WARNINGS AND PRECAUTIONS Risk of Recurrent Respiratory and CNS Depression : Due to the duration of action of naloxone relative to the opioid, respiratory and CNS depression may recur after the first dose of naloxone. (etiqueta de Naloxona, Advertencias y precauciones)

Table 4: Clinically Significant Interactions with Esomeprazole Magnesium - Affecting Co-Administered Drugs CYP2C19 or CYP3A4 Inducers Clinical Impact : Decreased exposure of esomeprazole when used concomitantly with strong inducers [see Clinical Pharmacology (12.3) ]. (etiqueta de Naproxeno y esomeprazol, Interacciones medicamentosas)

Anticonvulsants: Carbamazepine, clonazepam, ethosuximide Plasma concentrations of nevirapine and the anticonvulsant may be decreased. (etiqueta de Nevirapina, Interacciones medicamentosas)

Possible Reduced Efficacy with Strong CYP3A4 Inducers Concomitant use of strong CYP3A4 inducers (e.g., carbamazepine, phenobarbital, phenytoin, rifampin, St. (etiqueta de Nimodipino, Advertencias y precauciones)

Coadministration with oral doses of a P-gp and CYP3A4 inducer, rifampicin, decreased exposure to nintedanib by 50%. (etiqueta de Nintedanib, Interacciones medicamentosas)

Some drugs or herbal products that may decrease the effectiveness of hormonal contraceptives include phenytoin, barbiturates, carbamazepine, bosentan, felbamate, griseofulvin, oxcarbazepine, rifampicin, topiramate, rifabutin, rufinamide, aprepitant, and products containing St. (etiqueta de Norelgestromina y etinilestradiol, Interacciones medicamentosas)

Some drugs or herbal products that may decrease the effectiveness of HCs include efavirenz, phenytoin, barbiturates, carbamazepine, bosentan, felbamate, griseofulvin, oxcarbazepine, rifampicin, rifabutin, rufinamide, aprepitant, and products containing St. (etiqueta de Noretisterona, Interacciones medicamentosas)

Some drugs or herbal products that may decrease the effectiveness of hormonal contraceptives include phenytoin, barbiturates, carbamazepine, bosentan, felbamate, griseofulvin, oxcarbazepine, rifampicin, topiramate, rifabutin, rufinamide, aprepitant, and products containing St. (etiqueta de Norgestimato y etinilestradiol, Interacciones medicamentosas)

Some drugs or herbal products that may decrease the effectiveness of hormonal contraceptives include phenytoin, barbiturates, carbamazepine, bosentan, felbamate, griseofulvin, oxcarbazepine, rifampicin, topiramate rifabutin, rufinamide, aprepitant, and products containing St. (etiqueta de Norgestrel y etinilestradiol, Interacciones medicamentosas)

Blood pressure should be closely monitored when amlodipine is co-administered with CYP3A inducers. (etiqueta de Olmesartán, amlodipino e hidroclorotiazida, Interacciones medicamentosas)

Table 4: Clinically Relevant Interactions Affecting Omeprazole When Co-Administered with Other Drugs CYP2C19 or CYP3A4 Inducers Clinical Impact: Decreased exposure of omeprazole when used concomitantly with strong inducers [see Clinical Pharmacology ( 12.3 )] . (etiqueta de Omeprazol, Interacciones medicamentosas)

Table 6: Clinically Relevant Interactions Affecting Omeprazole when Co-Administered with Other Drugs CYP2C19 or CYP3A4 Inducers Clinical Impact: Decreased exposure of omeprazole when used concomitantly with strong inducers [see Clinical Pharmacology ( 12.3 )] . (etiqueta de Omeprazol y bicarbonato de sodio, Interacciones medicamentosas)

Drug Interactions and Decreased Vitamin Absorption ORLISTAT may interact with concomitant drugs including cyclosporine, levothyroxine, warfarin, amiodarone, antiepileptic drugs, and antiretroviral drugs [see Drug Interactions (7) ]. (etiqueta de Orlistat, Advertencias y precauciones)

Carbamazepine, Phenytoin, and Phenobarbital: Decreased plasma levels of MHD (the active metabolite). (etiqueta de Oxcarbazepina, Interacciones medicamentosas)

Patients should be carefully observed for signs of central nervous system (CNS) depression, such as somnolence and sedation, when FYCOMPA is used with other drugs with sedative properties because of potential additive effects. (etiqueta de Perampanel, Advertencias y precauciones)

…including glimepiride, leading to worsening glycemic control: danazol, glucagon, somatropin, protease inhibitors, atypical antipsychotic medications (e.g., olanzapine and clozapine), barbiturates, diazoxide, laxatives, rifampin, thiazides and other diuretics, corticosteroids, phenothiazines, thyroid hormones, estrogens, oral contraceptives, phenytoin, nicotinic… (etiqueta de Pioglitazona y glimepirida, Interacciones medicamentosas)

CYP 3A4 inducers (e.g. barbiturates, phenytoin, carbamazepine, and rifampin): Drugs such as barbiturates, phenytoin, ephedrine, and rifampin, which induce hepatic microsomal drug metabolizing enzyme activity may enhance metabolism of prednisolone and require that the dosage of Orapred be increased. (etiqueta de Prednisolona, Interacciones medicamentosas)

CYP 3A4 inducers and inhibitors: May, respectively, increase or decrease clearance of corticosteroids, necessitating dose adjustment. (etiqueta de Prednisona, Interacciones medicamentosas)

…cyclophosphamide, flutamide, hydroxyurea, ifosfamide, rasburicase Antibiotics dapsone, nitrofurantoin, para-aminosalicylic acid, sulfonamides Antimalarials chloroquine, primaquine Anticonvulsants phenobarbital, phenytoin, sodium valproate Other drugs acetaminophen, metoclopramide, quinine, sulfasalazine The administration of local anesthetic injections containing… (etiqueta de Prilocaína y adrenalina, Interacciones medicamentosas)

Protriptyline may enhance the response to alcohol and the effects of barbiturates and other CNS depressants. (etiqueta de Protriptilina, Interacciones medicamentosas)

CYP2C8 and CYP3A4 Inducers Intervention: Repaglinide tablets dose increases and increased frequency of glucose monitoring may be required when co‑administered. (etiqueta de Repaglinida, Interacciones medicamentosas)

Drug Interactions Effect of Rifabutin on the Pharmacokinetics of Other Drugs Rifabutin induces CYP3A enzymes and therefore may reduce the plasma concentrations of drugs metabolized by those enzymes. (etiqueta de Rifabutina, Interacciones medicamentosas)

…Hormonal Contraceptives Prevention or Management: Advise patients to change to non-hormonal methods of birth control during rifampin therapy Estrogens Decrease exposure Progestins Anticonvulsants Phenytoin Administered with rifampin 450 mg daily Decrease exposure Antiarrhythmics Disopyramide Decrease exposure Mexiletine Decrease exposure Quinidine Decrease exposure… (etiqueta de Rifampicina, Interacciones medicamentosas)

…Disopyramide, mexiletine, quinidine, tocainide Antibiotics Chloramphenicol, clarithromycin, dapsone, doxycycline; Fluoroquinolones (such as ciprofloxacin) Oral Anticoagulants Warfarin Anticonvulsants Phenytoin Antimalarials Quinine Azole Antifungals Fluconazole, itraconazole, ketoconazole Antipsychotics Haloperidol Barbiturates Phenobarbital Benzodiazepines Diazepam… (etiqueta de Rifapentina, Interacciones medicamentosas)

Reduced Rocuronium Bromide Injection activity possible : Anticonvulsants. (etiqueta de Rocuronio, Interacciones medicamentosas)

…cyclophosphamide, flutamide, hydroxyurea, ifosfamide, rasburicase Antibiotics dapsone, nitrofurantoin, para-aminosalicylic acid, sulfonamides Antimalarials chloroquine, primaquine Anticonvulsants Phenobarbital, phenytoin, sodium valproate Other drugs acetaminophen, metoclopramide, quinine, sulfasalazine NAROPIN should be used with caution in patients receiving… (etiqueta de Ropivacaína, Interacciones medicamentosas)

Table 6: Summary of drug-drug interactions of BANZEL with other antiepileptic drugs AED Co-administered Influence of Rufinamide on AED concentration a) Influence of AED on Rufinamide concentration Carbamazepine Decrease by 7 to 13% b) Decrease by 19 to 26% Dependent on dose of carbamazepine Lamotrigine Decrease by 7 to 13% b) No Effect Phenobarbital Increase… (etiqueta de Rufinamida, Interacciones medicamentosas)

Strong CYP3A4 Inducers Concomitant use of JAKAFI/JAKAFI XR with strong CYP3A4 inducers may decrease ruxolitinib exposure [ see Clinical Pharmacology ( 12.3 )] , which may reduce efficacy of JAKAFI/JAKAFI XR. (etiqueta de Ruxolitinib, Interacciones medicamentosas)

Inhibitors of Folate Synthesis (e.g., methotrexate, valproic acid, phenobarbital, trimethoprim) Clinical Impact In vitro and in vivo nonclinical data suggest that drugs that inhibit folate synthesis may decrease the bioavailability of endogenous BH4 by inhibiting the enzyme dihydrofolate reductase, which is involved in the recycling (regeneration) of BH4. (etiqueta de Sapropterina, Interacciones medicamentosas)

Drugs that induce CYP3A4 (e.g., phenytoin, carbamazepine, nafcillin, phenobarbital, and rifampin) should be used with caution. (etiqueta de Selegilina, Interacciones medicamentosas)

Inducers of CYP450 liver enzymes The simultaneous administration of bismuth subcitrate potassium, metronidazole and tetracycline hydrochloride and drugs that induce microsomal liver enzymes, such as phenytoin or phenobarbital, may accelerate the elimination of metronidazole, resulting in reduced plasma concentrations of metronidazole. (etiqueta de Subcitrato de bismuto, metronidazol y tetraciclina, Interacciones medicamentosas)

• CYP3A4 Inducers : Consider dose increase of SUTENT when administered with strong CYP3A4 inducers. (etiqueta de Sunitinib, Interacciones medicamentosas)

CYP3A4 inhibitors (e.g. ketoconazole, ritonavir) increase CIALIS exposure ( 2.7 , 5.10 , 7.2 ) requiring dose adjustment: CIALIS for use as needed: no more than 10 mg every 72 hours CIALIS for once daily use: dose not to exceed 2.5 mg CYP3A4 inducers (e.g. rifampin) decrease CIALIS exposure ( 7.2 ). (etiqueta de Tadalafilo, Interacciones medicamentosas)

Patients should be monitored for adequate clinical effect when amlodipine is co-administered with CYP3A4 inducers. (etiqueta de Telmisartán y amlodipino, Interacciones medicamentosas)

Co-administration with Inducers or Inhibitors of CYP3A Metabolism Agents Inducing CYP3A Metabolism: Strong inducers of CYP3A4/5 such as dexamethasone, carbamazepine, phenytoin, phenobarbital, rifampin, rifabutin, and rifampacin may decrease exposure of the active metabolite, sirolimus. (etiqueta de Temsirolimus, Advertencias y precauciones)

30% increase Phenobarbital (PB) Similar to aminoglutethimide. (etiqueta de Teofilina, Interacciones medicamentosas)

Terbinafine clearance is increased 100% by rifampin, a CYP450 enzyme inducer, and decreased 33% by cimetidine, a CYP450 enzyme inhibitor. (etiqueta de Terbinafina, Interacciones medicamentosas)

Use of tiagabine HCl without enzyme-inducing antiepileptic drugs results in blood levels about twice those attained in the studies on which current dosing recommendations are based (see DOSAGE AND ADMINISTRATION ). (etiqueta de Tiagabina, Advertencias)

Phenytoin, fosphenytoin: Adjustment of anticonvulsant and/or tinidazole dose(s) may be needed ( 7.1, 7.2 ) (etiqueta de Tinidazol, Interacciones medicamentosas)

…exposure to tofacitinib Intervention Dosage modification of XELJANZ/XELJANZ XR is recommended [see Dosage and Administration (2) , Clinical Pharmacology, Figure 3 (12.3) ] Strong CYP3A4 Inducers (e.g., rifampin) Clinical Impact Decreased exposure to tofacitinib and may result in loss of or reduced clinical response Intervention Concomitant use with XELJANZ/XELJANZ… (etiqueta de Tofacitinib, Interacciones medicamentosas)

Because of the potential of topiramate to cause CNS depression, as well as other cognitive and/or neuropsychiatric adverse reactions, topiramate extended-release capsules should be used with extreme caution if used in combination with alcohol and other CNS depressants. (etiqueta de Topiramato, Interacciones medicamentosas)

Excessive reduction of blood glucose (additive effect) f CNS depressant agents (including opioids, alcohol, sedatives, hypnotics) Use with caution d Increased CNS depression Dietary supplements containing sympathomimetics Contraindicated a Antidepressants including but not limited to: Other MAOIs (e.g., linezolid, intravenous methylene blue, selective MAOIs)… (etiqueta de Tranilcipromina, Interacciones medicamentosas)

Co-administration of a CYP2C8 enzyme inducer (e.g., rifampin) may decrease exposure to treprostinil. (etiqueta de Treprostinilo, Advertencias y precauciones)

Hepatic enzyme inducers (e.g., barbiturates, phenytoin, carbamazepine, rifampin): Drugs which induce hepatic microsomal drug metabolizing enzyme activity may enhance the metabolism of corticosteroids and require that the dosage of the corticosteroid be increased. (etiqueta de Triamcinolona, Interacciones medicamentosas)

Drug Interactions Cannabinoids, barbiturates, opiates, and alcohol may have additive effects with trihexyphenidyl, and thus, an abuse potential exists. (etiqueta de Trihexifenidilo, Interacciones medicamentosas)

The recent use of other drugs that cause CNS depression or EPS symptoms may also increase the risk; consider reducing the dosage or discontinuing the drug. (etiqueta de Trimetobenzamida, Advertencias y precauciones)

Thiopental Reconstituted vecuronium, which has an acid pH, should not be mixed with alkaline solutions (e.g., barbiturate solutions such as thiopental) in the same syringe or administered simultaneously during intravenous infusion through the same needle or through the same intravenous line (see DOSAGE AND ADMINISTRATION -COMPATIBILITY ). (etiqueta de Vecuronio, Precauciones)

Phenobarbital Phenobarbital therapy may increase verapamil clearance. (etiqueta de Verapamilo, Interacciones medicamentosas)

CYP3A4 Inducers: Consider increasing VIIBRYD dosage by 2-fold, up to 80 mg once-daily over 1 to 2 weeks when used concomitantly with strong CYP3A4 inducers for greater than 14 days ( 2.4 , 7 ). (etiqueta de Vilazodona, Interacciones medicamentosas)

Drug Interactions The simultaneous oral or intravenous administration of phenytoin and antineoplastic chemotherapy combinations that included vincristine sulfate has been reported to reduce blood levels of the anticonvulsant and to increase seizure activity. (etiqueta de Vincristina, Interacciones medicamentosas)

…etravirine, fluconazole, fluvastatin, fluvoxamine, metronidazole, miconazole, oxandrolone, sulfinpyrazone, tigecycline, voriconazole, zafirlukast aprepitant, bosentan, carbamazepine, phenobarbital, rifampin CYP1A2 acyclovir, allopurinol, caffeine, cimetidine, ciprofloxacin, disulfiram, enoxacin, famotidine, fluvoxamine, methoxsalen, mexiletine, norfloxacin, oral… (etiqueta de Warfarina, Interacciones medicamentosas)

Patients should be carefully observed for signs of central nervous system (CNS) depression, such as somnolence and sedation, when ZONISADE is used with other drugs with sedative properties because of potential additive effects. (etiqueta de Zonisamida, Advertencias y precauciones)

Concomitant taking of P-gp inducers (including but not limited to rifampicin, carbamazepine, phenytoin, phenobarbital, and St. (etiqueta de Afatinib, Interacciones medicamentosas)

Atracurium besylate injection, which has an acid pH, should not be mixed with alkaline solutions (e.g., barbiturate solutions) in the same syringe or administered simultaneously during intravenous infusion through the same needle. (etiqueta de Atracurio, Advertencias)

Anticonvulsant therapy can be given if clinically indicated. (etiqueta de Cefalexina, Advertencias y precauciones)

Anticonvulsant therapy should be continued in patients with known seizure disorders. (etiqueta de Cefazolina, Advertencias y precauciones)

…Probenecid Probenecid is known to interact with the metabolism or renal tubular excretion of many drugs (e.g., acetaminophen, acyclovir, angiotensin-converting enzyme inhibitors, aminosalicylic acid, barbiturates, benzodiazepines, bumetanide, clofibrate, methotrexate, famotidine, furosemide, nonsteroidal anti-inflammatory agents, theophylline, and zidovudine). (etiqueta de Cidofovir, Interacciones medicamentosas)

Antihistamines Amphetamines may counteract the sedative effect of antihistamines. (etiqueta de Dexanfetamina, Interacciones medicamentosas)

A similar association, though less marked, has been suggested for barbiturates, phenylbutazone, phenytoin sodium, and possibly with griseofulvin, ampicillin, and tetracyclines. (etiqueta de Diacetato de etinodiol y etinilestradiol, Interacciones medicamentosas)

• Cytochrome P450 3A4 inducers, inhibitors, or substrates: May alter docetaxel metabolism. (etiqueta de Docetaxel, Interacciones medicamentosas)

Use alternative treatment that does not include carbamazepine where possible for INSTI-experienced patients with certain INSTI-associated resistance substitutions or clinically suspected INSTI resistance. b Oxcarbazepine Phenytoin Phenobarbital St. (etiqueta de Dolutegravir, Interacciones medicamentosas)

In Drug-Induced CNS and Respiratory Depression Doxapram alone may not stimulate adequate spontaneous breathing or provide sufficient arousal in patients who are severely depressed either due to respiratory failure or to CNS depressant drugs, but may be used as an adjunct to established supportive measures and resuscitative techniques. (etiqueta de Doxapram, Advertencias)

The “gasping syndrome” is characterized by central nervous system (CNS) depression, metabolic acidosis, and gasping respirations. (etiqueta de Epoetina alfa, Advertencias y precauciones)

Effects of Other Drugs on HALAVEN No drug-drug interactions are expected with CYP3A4 inhibitors, CYP3A4 inducers or P-glycoprotein (P-gp) inhibitors. (etiqueta de Eribulina, Interacciones medicamentosas)

Data are more extensive with respect to phenytoin and phenobarbital, but these are also the most commonly prescribed anticonvulsants; less systematic or anecdotal reports suggest a possible similar association with the use of all known anticonvulsant drugs. (etiqueta de Etosuximida, Advertencias)

Potential for Glycerol Phenylbutyrate to Affect Other Drugs Drugs with narrow therapeutic index that are substrates of CYP3A4 Glycerol phenylbutyrate is a weak inducer of CYP3A4 in humans. (etiqueta de Fenilbutirato de glicerol, Interacciones medicamentosas)

Antiepileptic Drugs Sporadic cases of seizures have been reported during concomitant use of ketorolac tromethamine and antiepileptic drugs (phenytoin, carbamazepine). (etiqueta de Ketorolaco, Interacciones medicamentosas)

Other Antiepileptic Drugs Potential drug interactions between levetiracetam and other AEDs (carbamazepine, gabapentin, lamotrigine, phenobarbital, phenytoin, primidone and valproate) were also assessed by evaluating the serum concentrations of levetiracetam and these AEDs during placebo-controlled clinical studies. (etiqueta de Levetiracetam, Interacciones medicamentosas)

Anticonvulsants, psychotropic, hormone preparations, corticosteroids, antithyroid agents, cyproheptadine: may affect the results of the metyrapone test. (etiqueta de Metirapona, Interacciones medicamentosas)

When phenytoin or other hepatic enzyme inducers such as rifampin and phenobarbital have been taken concurrently with mexiletine, lowered mexiletine plasma levels have been reported. (etiqueta de Mexiletina, Interacciones medicamentosas)

…glycosides– digitalis and digoxin; (2) hypoglycemics–insulin, chlorpropamide, phenformin, tolazamide, and tolbutamide; (3) tranquilizers and sedatives–chlordiazepoxide, diazepam, and phenobarbital; (4) antigout–allopurinol, colchicine, and probenecid; (5) antiarrhythmics–procainamide, propranolol (see WARNINGS however), and quinidine; and (6) analgesics, antipyretics… (etiqueta de Prazosina, Interacciones medicamentosas)

The impact of other inducers of drug metabolizing enzymes, such as phenytoin and phenobarbital, on UGT1A1 is unknown. (etiqueta de Raltegravir, Interacciones medicamentosas)

CYP3A4 Substrates An in vitro study has suggested that rifaximin induces CYP3A4 [see Clinical Pharmacology ( 12.3 )] . (etiqueta de Rifaximina, Interacciones medicamentosas)

Strong CYP3A inducers: Strong inducers of CYP3A (for example, rifampin, phenytoin, carbamazepine, phenobarbital or St. (etiqueta de Riociguat, Interacciones medicamentosas)

These data suggest that GH may alter the clearance of compounds known to be metabolized by CYP450 liver enzymes (e.g., corticosteroids, sex steroids, anticonvulsants, and cyclosporine). (etiqueta de Tesamorelina, Interacciones medicamentosas)

Drug Interactions No clinically significant drug interactions have been found in studies of losartan potassium with hydrochlorothiazide, digoxin, warfarin, cimetidine and phenobarbital. (etiqueta de Losartán, Interacciones medicamentosas)

CYP2C19 and CYP3A4 Inducer Co-administration of Micafungin in Sodium Chloride Injection with rifampin and ritonavir did not alter the pharmacokinetics of micafungin. (etiqueta de Micafungina, Interacciones medicamentosas)

…adjustment is needed when SINGULAIR is co-administered with theophylline, prednisone, prednisolone, oral contraceptives, fexofenadine, digoxin, warfarin, gemfibrozil, itraconazole, thyroid hormones, sedative hypnotics, non-steroidal anti-inflammatory agents, benzodiazepines, decongestants, and Cytochrome P450 (CYP) enzyme inducers [see Clinical Pharmacology (12.3) ]. (etiqueta de Montelukast, Interacciones medicamentosas)