Interaksi Alopurinol

Use of methylxanthines (e.g., caffeine, aminophylline and theophylline) is not recommended in patients who experience a seizures in association with adenosine injection ( 5.6 ) (label Adenosin, Peringatan dan perhatian)

However, there may be an increased risk of severe skin toxicity when bendamustine hydrochloride and allopurinol are administered concomitantly. [see Warnings and Precautions (5.6) ] 5.6 Skin Reactions Fatal and serious skin reactions have been reported with bendamustine hydrochloride injection treatment in clinical trials and postmarketing safety reports, including… (label Bendamustin, Peringatan dan perhatian)

Avoid the use of Exjade with CYP1A2 substrate theophylline. (label Deferasiroks, Interaksi obat)

…hormones Diuretics Cardiac glycosides, such as digitalis glycosides Quinidine Drugs potentiating hypokalemic effects of epinephrine • Potassium depleting diuretics • Corticosteroids • Theophylline Epinephrine should not be used to counteract circulatory collapse or hypotension caused by phenothiazines, as a reversal of the pressor effects of epinephrine may result… (label Epinefrin, Interaksi obat)

WARNING: CARDIOVASCULAR DEATH Gout patients with established cardiovascular (CV) disease treated with ULORIC had a higher rate of CV death compared to those treated with allopurinol in a CV outcomes study [see Warnings and Precautions (5.1) ] . (label Febuksostat, Peringatan kotak hitam)

Intervention Concomitant administration with fluorouracil should be avoided. (label Alopurinol, Interaksi obat)

Capecitabine: Avoid concomitant use. (label Alopurinol, Interaksi obat)

Theophylline or Aminophylline : Do not co-administer with KETALAR as concomitant use may lower the seizure threshold ( 7.1 ). (label Ketamin, Interaksi obat)

Quinine Prevention or Management : Avoid concomitant use Decrease AUC by 75%-85% Telithromycin Decrease AUC by 86% Theophylline Decrease exposure by 20%-40% Effect of Other Drugs on Rifampin Concomitant antacid administration may reduce the absorption of rifampin. (label Rifampisin, Interaksi obat)

Phosphodiesterase Inhibitors Concomitant administration of Adempas with specific PDE-5 inhibitors (such as sildenafil, tadalafil, or vardenafil) or nonspecific PDE-5 inhibitors (such as dipyridamole or theophylline) is contraindicated [see Dosage and Administration (2.6), Drug Interactions ( 7.1 ) and Clinical Pharmacology ( 12.2 )]. (label Riosiguat, Kontraindikasi)

Serious Adverse Reactions with Concomitant Theophylline Serious and fatal reactions have been reported in patients receiving concurrent administration of ciprofloxacin and theophylline. (label Siprofloksasin, Peringatan dan perhatian)

Upon initiation or discontinuation of Adalimumab-fkjp in patients being treated with CYP450 substrates with a narrow therapeutic index, monitoring of the effect (e.g., warfarin) or drug concentration (e.g., cyclosporine or theophylline) is recommended and the individual dose of the drug product may be adjusted as needed. (label Adalimumab, Interaksi obat)

Sympathomimetics, Methylxanthines, Steroids In clinical studies, concurrent administration of aclidinium bromide and other drugs commonly used in the treatment of COPD including sympathomimetics (short-acting beta 2 agonists), methylxanthines, and oral and inhaled steroids showed no increases in adverse drug reactions. (label Aklidinium, Interaksi obat)

Theophylline: Albendazole induces cytochrome P450 1A in human hepatoma cells; therefore, it is recommended that plasma concentrations of theophylline be monitored during and after treatment. (label Albendazol, Interaksi obat)

Inform patients also that the central nervous system depressant effects of allopurinol tablets may be additive to those of alcohol and other CNS depressants. (label Alopurinol, Peringatan dan perhatian)

Inform patients also that the central nervous system depressant effects of allopurinol tablets may be additive to those of alcohol and other CNS depressants. (label Alopurinol, Peringatan dan perhatian)

Hypersensitivity reactions to allopurinol tablets may be increased in patients with decreased kidney function receiving thiazide diuretics and allopurinol tablets concurrently. (label Alopurinol, Peringatan dan perhatian)

30% increase Allopurinol Decreases theophylline clearance at allopurinol doses ≥600 mg/day. (label Aminofilin, Interaksi obat)

Inform patients also that the central nervous system depressant effects of allopurinol tablets may be additive to those of alcohol and other CNS depressants. (label Alopurinol, Peringatan dan perhatian)

Inform patients also that the central nervous system depressant effects of allopurinol tablets may be additive to those of alcohol and other CNS depressants. (label Alopurinol, Peringatan dan perhatian)

Concomitant use of the following drugs may also increase the risk of skin rash, which may be severe: bendamustine, ampicillin and amoxicillin [ see Drug Interactions (7.1) ]. (label Alopurinol, Peringatan dan perhatian)

Concomitant use of the following drugs may also increase the risk of skin rash, which may be severe: bendamustine, ampicillin and amoxicillin [ see Drug Interactions (7.1) ]. (label Alopurinol, Peringatan dan perhatian)

Concomitant use of the following drugs may also increase the risk of skin rash, which may be severe: bendamustine, ampicillin and amoxicillin [ see Drug Interactions (7.1) ]. (label Alopurinol, Peringatan dan perhatian)

Concomitant use of the following drugs may also increase the risk of skin rash, which may be severe: bendamustine, ampicillin and amoxicillin [ see Drug Interactions (7.1) ]. (label Alopurinol, Peringatan dan perhatian)

Dicumarol Clinical Impact Allopurinol tablets prolongs the half-life of the anticoagulant, dicumarol. (label Alopurinol, Interaksi obat)

Xanthine derivatives, steroids, diuretics, or non-potassium sparing diuretics may potentiate hypokalemia or ECG changes. (label Arformoterol, Interaksi obat)

Dicumarol Clinical Impact Allopurinol tablets prolongs the half-life of the anticoagulant, dicumarol. (label Alopurinol, Interaksi obat)

Inform patients also that the central nervous system depressant effects of allopurinol tablets may be additive to those of alcohol and other CNS depressants. (label Alopurinol, Peringatan dan perhatian)

Hypersensitivity reactions to allopurinol tablets may be increased in patients with decreased kidney function receiving thiazide diuretics and allopurinol tablets concurrently. (label Alopurinol, Peringatan dan perhatian)

Inform patients also that the central nervous system depressant effects of allopurinol tablets may be additive to those of alcohol and other CNS depressants. (label Alopurinol, Peringatan dan perhatian)

Inform patients also that the central nervous system depressant effects of allopurinol tablets may be additive to those of alcohol and other CNS depressants. (label Alopurinol, Peringatan dan perhatian)

Hypersensitivity reactions to allopurinol tablets may be increased in patients with decreased kidney function receiving thiazide diuretics and allopurinol tablets concurrently. (label Alopurinol, Peringatan dan perhatian)

Hypersensitivity reactions to allopurinol tablets may be increased in patients with decreased kidney function receiving thiazide diuretics and allopurinol tablets concurrently. (label Alopurinol, Peringatan dan perhatian)

Concomitant use with allopurinol increases the exposure of either mercaptopurine or azathioprine which may increase the risk of myelosuppression. (label Alopurinol, Peringatan dan perhatian)

Inform patients also that the central nervous system depressant effects of allopurinol tablets may be additive to those of alcohol and other CNS depressants. (label Alopurinol, Peringatan dan perhatian)

Inform patients also that the central nervous system depressant effects of allopurinol tablets may be additive to those of alcohol and other CNS depressants. (label Alopurinol, Peringatan dan perhatian)

Inform patients also that the central nervous system depressant effects of allopurinol tablets may be additive to those of alcohol and other CNS depressants. (label Alopurinol, Peringatan dan perhatian)

Inform patients also that the central nervous system depressant effects of allopurinol tablets may be additive to those of alcohol and other CNS depressants. (label Alopurinol, Peringatan dan perhatian)

Hypersensitivity reactions to allopurinol tablets may be increased in patients with decreased kidney function receiving thiazide diuretics and allopurinol tablets concurrently. (label Alopurinol, Peringatan dan perhatian)

Hypersensitivity reactions to allopurinol tablets may be increased in patients with decreased kidney function receiving thiazide diuretics and allopurinol tablets concurrently. (label Alopurinol, Peringatan dan perhatian)

Dicumarol Clinical Impact Allopurinol tablets prolongs the half-life of the anticoagulant, dicumarol. (label Alopurinol, Interaksi obat)

Cyclophosphamide and Other Cytotoxic Agents Clinical Impact Concomitant use of allopurinol with cyclophosphamide and other cytotoxic agents (doxorubicin, bleomycin, procarbazine, mechloroethamine) increases bone marrow suppression among patients with neoplastic disease, except leukemia. (label Alopurinol, Interaksi obat)

Inform patients also that the central nervous system depressant effects of allopurinol tablets may be additive to those of alcohol and other CNS depressants. (label Alopurinol, Peringatan dan perhatian)

Inform patients also that the central nervous system depressant effects of allopurinol tablets may be additive to those of alcohol and other CNS depressants. (label Alopurinol, Peringatan dan perhatian)

Inform patients also that the central nervous system depressant effects of allopurinol tablets may be additive to those of alcohol and other CNS depressants. (label Alopurinol, Peringatan dan perhatian)

Hypersensitivity reactions to allopurinol tablets may be increased in patients with decreased kidney function receiving thiazide diuretics and allopurinol tablets concurrently. (label Alopurinol, Peringatan dan perhatian)

Inform patients also that the central nervous system depressant effects of allopurinol tablets may be additive to those of alcohol and other CNS depressants. (label Alopurinol, Peringatan dan perhatian)

Inform patients also that the central nervous system depressant effects of allopurinol tablets may be additive to those of alcohol and other CNS depressants. (label Alopurinol, Peringatan dan perhatian)

…also increase the risk of seizure: concomitant use of other medications that lower the seizure threshold (e.g., other bupropion products, antipsychotics, tricyclic antidepressants, theophylline, and systemic corticosteroids), metabolic disorders (e.g., hypoglycemia, hyponatremia, severe hepatic impairment, and hypoxia), or use of illicit drugs (e.g., cocaine)… (label Bupropion, Peringatan dan perhatian)

Inform patients also that the central nervous system depressant effects of allopurinol tablets may be additive to those of alcohol and other CNS depressants. (label Alopurinol, Peringatan dan perhatian)

Inform patients also that the central nervous system depressant effects of allopurinol tablets may be additive to those of alcohol and other CNS depressants. (label Alopurinol, Peringatan dan perhatian)

Inform patients also that the central nervous system depressant effects of allopurinol tablets may be additive to those of alcohol and other CNS depressants. (label Alopurinol, Peringatan dan perhatian)

Inform patients also that the central nervous system depressant effects of allopurinol tablets may be additive to those of alcohol and other CNS depressants. (label Alopurinol, Peringatan dan perhatian)

Inform patients also that the central nervous system depressant effects of allopurinol tablets may be additive to those of alcohol and other CNS depressants. (label Alopurinol, Peringatan dan perhatian)

Inform patients also that the central nervous system depressant effects of allopurinol tablets may be additive to those of alcohol and other CNS depressants. (label Alopurinol, Peringatan dan perhatian)

Dicumarol Clinical Impact Allopurinol tablets prolongs the half-life of the anticoagulant, dicumarol. (label Alopurinol, Interaksi obat)

Inform patients also that the central nervous system depressant effects of allopurinol tablets may be additive to those of alcohol and other CNS depressants. (label Alopurinol, Peringatan dan perhatian)

Inform patients also that the central nervous system depressant effects of allopurinol tablets may be additive to those of alcohol and other CNS depressants. (label Alopurinol, Peringatan dan perhatian)

Inform patients also that the central nervous system depressant effects of allopurinol tablets may be additive to those of alcohol and other CNS depressants. (label Alopurinol, Peringatan dan perhatian)

Inform patients also that the central nervous system depressant effects of allopurinol tablets may be additive to those of alcohol and other CNS depressants. (label Alopurinol, Peringatan dan perhatian)

Inform patients also that the central nervous system depressant effects of allopurinol tablets may be additive to those of alcohol and other CNS depressants. (label Alopurinol, Peringatan dan perhatian)

Inform patients also that the central nervous system depressant effects of allopurinol tablets may be additive to those of alcohol and other CNS depressants. (label Alopurinol, Peringatan dan perhatian)

Effects of Combined Hormonal Contraceptives on Other Drugs COCs containing EE may inhibit the metabolism of other compounds (e.g., cyclosporine, prednisolone, theophylline, tizanidine, and voriconazole) and increase their plasma concentrations. (label Desogestrel dan etinilestradiol, Interaksi obat)

Inform patients also that the central nervous system depressant effects of allopurinol tablets may be additive to those of alcohol and other CNS depressants. (label Alopurinol, Peringatan dan perhatian)

Inform patients also that the central nervous system depressant effects of allopurinol tablets may be additive to those of alcohol and other CNS depressants. (label Alopurinol, Peringatan dan perhatian)

Drugs that Cause Hypokalemia The risk of hypokalemia is greater with coadministration of KEVEYIS and other drugs that can cause hypokalemia (e.g., loop diuretics, thiazide diuretics, laxatives, antifungals, penicillins, and theophylline) [see Warnings and Precautions (5.3) ] . (label Diklorfenamid, Interaksi obat)

Inform patients also that the central nervous system depressant effects of allopurinol tablets may be additive to those of alcohol and other CNS depressants. (label Alopurinol, Peringatan dan perhatian)

Inform patients also that the central nervous system depressant effects of allopurinol tablets may be additive to those of alcohol and other CNS depressants. (label Alopurinol, Peringatan dan perhatian)

There may be an interaction between doxapram and aminophylline and between doxapram and theophylline manifested by increased skeletal muscle activity, agitation, and hyperactivity. (label Doksapram, Interaksi obat)

Inform patients also that the central nervous system depressant effects of allopurinol tablets may be additive to those of alcohol and other CNS depressants. (label Alopurinol, Peringatan dan perhatian)

Inform patients also that the central nervous system depressant effects of allopurinol tablets may be additive to those of alcohol and other CNS depressants. (label Alopurinol, Peringatan dan perhatian)

Inform patients also that the central nervous system depressant effects of allopurinol tablets may be additive to those of alcohol and other CNS depressants. (label Alopurinol, Peringatan dan perhatian)

Cyclophosphamide and Other Cytotoxic Agents Clinical Impact Concomitant use of allopurinol with cyclophosphamide and other cytotoxic agents (doxorubicin, bleomycin, procarbazine, mechloroethamine) increases bone marrow suppression among patients with neoplastic disease, except leukemia. (label Alopurinol, Interaksi obat)

Inform patients also that the central nervous system depressant effects of allopurinol tablets may be additive to those of alcohol and other CNS depressants. (label Alopurinol, Peringatan dan perhatian)

Inform patients also that the central nervous system depressant effects of allopurinol tablets may be additive to those of alcohol and other CNS depressants. (label Alopurinol, Peringatan dan perhatian)

…studies, administration of a hormonal contraceptive containing EE did not lead to any increase or only to a weak increase in plasma concentrations of CYP3A4 substrates (e.g., midazolam) while plasma concentrations of CYP2C19 substrates (e.g., omeprazole and voriconazole) and CYP1A2 substrates (e.g., theophylline and tizanidine) can have a weak or moderate increase. (label Drospirenon dan etinilestradiol, Interaksi obat)

Tamsulosin Dosage adjustments are not necessary when tamsulosin is administered concomitantly with digoxin or theophylline [see Clinical Pharmacology (12.3) ]. (label Dutasterid dan tamsulosin, Interaksi obat)

Dicumarol Clinical Impact Allopurinol tablets prolongs the half-life of the anticoagulant, dicumarol. (label Alopurinol, Interaksi obat)

Inform patients also that the central nervous system depressant effects of allopurinol tablets may be additive to those of alcohol and other CNS depressants. (label Alopurinol, Peringatan dan perhatian)

Hypersensitivity reactions to allopurinol tablets may be increased in patients with decreased kidney function receiving thiazide diuretics and allopurinol tablets concurrently. (label Alopurinol, Peringatan dan perhatian)

Dicumarol Clinical Impact Allopurinol tablets prolongs the half-life of the anticoagulant, dicumarol. (label Alopurinol, Interaksi obat)

Hypersensitivity reactions to allopurinol tablets may be increased in patients with decreased kidney function receiving thiazide diuretics and allopurinol tablets concurrently. (label Alopurinol, Peringatan dan perhatian)

Drug Interactions Theophylline Erythromycin use in patients who are receiving high doses of theophylline may be associated with an increase in serum theophylline levels and potential theophylline toxicity. (label Eritromisin, Interaksi obat)

Inform patients also that the central nervous system depressant effects of allopurinol tablets may be additive to those of alcohol and other CNS depressants. (label Alopurinol, Peringatan dan perhatian)

Inform patients also that the central nervous system depressant effects of allopurinol tablets may be additive to those of alcohol and other CNS depressants. (label Alopurinol, Peringatan dan perhatian)

Inform patients also that the central nervous system depressant effects of allopurinol tablets may be additive to those of alcohol and other CNS depressants. (label Alopurinol, Peringatan dan perhatian)

Inform patients also that the central nervous system depressant effects of allopurinol tablets may be additive to those of alcohol and other CNS depressants. (label Alopurinol, Peringatan dan perhatian)

Effects of CHCs on Other Drugs CHCs containing ethinyl estradiol may inhibit the metabolism of other compounds (e.g., cyclosporine, prednisolone, theophylline, tizanidine, and voriconazole) and increase their plasma concentrations. (label Etonogestrel dan etinilestradiol, Interaksi obat)

Inform patients also that the central nervous system depressant effects of allopurinol tablets may be additive to those of alcohol and other CNS depressants. (label Alopurinol, Peringatan dan perhatian)

Inform patients also that the central nervous system depressant effects of allopurinol tablets may be additive to those of alcohol and other CNS depressants. (label Alopurinol, Peringatan dan perhatian)

Inform patients also that the central nervous system depressant effects of allopurinol tablets may be additive to those of alcohol and other CNS depressants. (label Alopurinol, Peringatan dan perhatian)

Inform patients also that the central nervous system depressant effects of allopurinol tablets may be additive to those of alcohol and other CNS depressants. (label Alopurinol, Peringatan dan perhatian)

Inform patients also that the central nervous system depressant effects of allopurinol tablets may be additive to those of alcohol and other CNS depressants. (label Alopurinol, Peringatan dan perhatian)

Inform patients also that the central nervous system depressant effects of allopurinol tablets may be additive to those of alcohol and other CNS depressants. (label Alopurinol, Peringatan dan perhatian)

Inform patients also that the central nervous system depressant effects of allopurinol tablets may be additive to those of alcohol and other CNS depressants. (label Alopurinol, Peringatan dan perhatian)

Inform patients also that the central nervous system depressant effects of allopurinol tablets may be additive to those of alcohol and other CNS depressants. (label Alopurinol, Peringatan dan perhatian)

Inform patients also that the central nervous system depressant effects of allopurinol tablets may be additive to those of alcohol and other CNS depressants. (label Alopurinol, Peringatan dan perhatian)

(See CLINICAL PHARMACOLOGY: Drug Interaction Studies .) Theophylline Fluconazole increases the serum concentrations of theophylline. (label Flukonazol, Interaksi obat)

Inform patients also that the central nervous system depressant effects of allopurinol tablets may be additive to those of alcohol and other CNS depressants. (label Alopurinol, Peringatan dan perhatian)

Theophylline: Clearance decreased; reduce theophylline dose by one-third ( 5.8 ). (label Fluvoksamin, Peringatan dan perhatian)

Dicumarol Clinical Impact Allopurinol tablets prolongs the half-life of the anticoagulant, dicumarol. (label Alopurinol, Interaksi obat)

• Xanthine derivatives, steroids, diuretics, or non-potassium sparing diuretics may potentiate hypokalemia or ECG changes. (label Formoterol, Interaksi obat)

Inform patients also that the central nervous system depressant effects of allopurinol tablets may be additive to those of alcohol and other CNS depressants. (label Alopurinol, Peringatan dan perhatian)

Hypersensitivity reactions to allopurinol tablets may be increased in patients with decreased kidney function receiving thiazide diuretics and allopurinol tablets concurrently. (label Alopurinol, Peringatan dan perhatian)

Hypersensitivity reactions to allopurinol tablets may be increased in patients with decreased kidney function receiving thiazide diuretics and allopurinol tablets concurrently. (label Alopurinol, Peringatan dan perhatian)

Inform patients also that the central nervous system depressant effects of allopurinol tablets may be additive to those of alcohol and other CNS depressants. (label Alopurinol, Peringatan dan perhatian)

Inform patients also that the central nervous system depressant effects of allopurinol tablets may be additive to those of alcohol and other CNS depressants. (label Alopurinol, Peringatan dan perhatian)

Inform patients also that the central nervous system depressant effects of allopurinol tablets may be additive to those of alcohol and other CNS depressants. (label Alopurinol, Peringatan dan perhatian)

Dicumarol Clinical Impact Allopurinol tablets prolongs the half-life of the anticoagulant, dicumarol. (label Alopurinol, Interaksi obat)

Hypersensitivity reactions to allopurinol tablets may be increased in patients with decreased kidney function receiving thiazide diuretics and allopurinol tablets concurrently. (label Alopurinol, Peringatan dan perhatian)

Inform patients also that the central nervous system depressant effects of allopurinol tablets may be additive to those of alcohol and other CNS depressants. (label Alopurinol, Peringatan dan perhatian)

Inform patients also that the central nervous system depressant effects of allopurinol tablets may be additive to those of alcohol and other CNS depressants. (label Alopurinol, Peringatan dan perhatian)

Inform patients also that the central nervous system depressant effects of allopurinol tablets may be additive to those of alcohol and other CNS depressants. (label Alopurinol, Peringatan dan perhatian)

Inform patients also that the central nervous system depressant effects of allopurinol tablets may be additive to those of alcohol and other CNS depressants. (label Alopurinol, Peringatan dan perhatian)

Inform patients also that the central nervous system depressant effects of allopurinol tablets may be additive to those of alcohol and other CNS depressants. (label Alopurinol, Peringatan dan perhatian)

Inform patients also that the central nervous system depressant effects of allopurinol tablets may be additive to those of alcohol and other CNS depressants. (label Alopurinol, Peringatan dan perhatian)

Inform patients also that the central nervous system depressant effects of allopurinol tablets may be additive to those of alcohol and other CNS depressants. (label Alopurinol, Peringatan dan perhatian)

Inform patients also that the central nervous system depressant effects of allopurinol tablets may be additive to those of alcohol and other CNS depressants. (label Alopurinol, Peringatan dan perhatian)

Inform patients also that the central nervous system depressant effects of allopurinol tablets may be additive to those of alcohol and other CNS depressants. (label Alopurinol, Peringatan dan perhatian)

Hypersensitivity reactions to allopurinol tablets may be increased in patients with decreased kidney function receiving thiazide diuretics and allopurinol tablets concurrently. (label Alopurinol, Peringatan dan perhatian)

Upon initiation or discontinuation of RENFLEXIS in patients being treated with CYP450 substrates with a narrow therapeutic index, monitoring of the effect (e.g., warfarin) or drug concentration (e.g., cyclosporine or theophylline) is recommended and the individual dose of the drug product may be adjusted as needed. (label Infliksimab, Interaksi obat)

Hypersensitivity reactions to allopurinol tablets may be increased in patients with decreased kidney function receiving thiazide diuretics and allopurinol tablets concurrently. (label Alopurinol, Peringatan dan perhatian)

Inform patients also that the central nervous system depressant effects of allopurinol tablets may be additive to those of alcohol and other CNS depressants. (label Alopurinol, Peringatan dan perhatian)

Theophylline A recent study has shown that concomitant administration of isoniazid and theophylline may cause elevated plasma levels of theophylline, and in some instances a slight decrease in the elimination of isoniazid. (label Isoniazid, Interaksi obat)

Inform patients also that the central nervous system depressant effects of allopurinol tablets may be additive to those of alcohol and other CNS depressants. (label Alopurinol, Peringatan dan perhatian)

Hypersensitivity reactions to allopurinol tablets may be increased in patients with decreased kidney function receiving thiazide diuretics and allopurinol tablets concurrently. (label Alopurinol, Peringatan dan perhatian)

Inform patients also that the central nervous system depressant effects of allopurinol tablets may be additive to those of alcohol and other CNS depressants. (label Alopurinol, Peringatan dan perhatian)

Inform patients also that the central nervous system depressant effects of allopurinol tablets may be additive to those of alcohol and other CNS depressants. (label Alopurinol, Peringatan dan perhatian)

Inform patients also that the central nervous system depressant effects of allopurinol tablets may be additive to those of alcohol and other CNS depressants. (label Alopurinol, Peringatan dan perhatian)

Inform patients also that the central nervous system depressant effects of allopurinol tablets may be additive to those of alcohol and other CNS depressants. (label Alopurinol, Peringatan dan perhatian)

Xanthine Derivatives: Theophylline Use With Caution Theophylline: Clarithromycin use in patients who are receiving theophylline may be associated with an increase of serum theophylline concentrations [see Pharmacokinetics ( 12.3 )] . (label Klaritromisin, Interaksi obat)

Inform patients also that the central nervous system depressant effects of allopurinol tablets may be additive to those of alcohol and other CNS depressants. (label Alopurinol, Peringatan dan perhatian)

Inform patients also that the central nervous system depressant effects of allopurinol tablets may be additive to those of alcohol and other CNS depressants. (label Alopurinol, Peringatan dan perhatian)

Inform patients also that the central nervous system depressant effects of allopurinol tablets may be additive to those of alcohol and other CNS depressants. (label Alopurinol, Peringatan dan perhatian)

Inform patients also that the central nervous system depressant effects of allopurinol tablets may be additive to those of alcohol and other CNS depressants. (label Alopurinol, Peringatan dan perhatian)

Inform patients also that the central nervous system depressant effects of allopurinol tablets may be additive to those of alcohol and other CNS depressants. (label Alopurinol, Peringatan dan perhatian)

Inform patients also that the central nervous system depressant effects of allopurinol tablets may be additive to those of alcohol and other CNS depressants. (label Alopurinol, Peringatan dan perhatian)

Inform patients also that the central nervous system depressant effects of allopurinol tablets may be additive to those of alcohol and other CNS depressants. (label Alopurinol, Peringatan dan perhatian)

Inform patients also that the central nervous system depressant effects of allopurinol tablets may be additive to those of alcohol and other CNS depressants. (label Alopurinol, Peringatan dan perhatian)

Inform patients also that the central nervous system depressant effects of allopurinol tablets may be additive to those of alcohol and other CNS depressants. (label Alopurinol, Peringatan dan perhatian)

Hypersensitivity reactions to allopurinol tablets may be increased in patients with decreased kidney function receiving thiazide diuretics and allopurinol tablets concurrently. (label Alopurinol, Peringatan dan perhatian)

Inform patients also that the central nervous system depressant effects of allopurinol tablets may be additive to those of alcohol and other CNS depressants. (label Alopurinol, Peringatan dan perhatian)

Hypersensitivity reactions to allopurinol tablets may be increased in patients with decreased kidney function receiving thiazide diuretics and allopurinol tablets concurrently. (label Alopurinol, Peringatan dan perhatian)

Inform patients also that the central nervous system depressant effects of allopurinol tablets may be additive to those of alcohol and other CNS depressants. (label Alopurinol, Peringatan dan perhatian)

Inform patients also that the central nervous system depressant effects of allopurinol tablets may be additive to those of alcohol and other CNS depressants. (label Alopurinol, Peringatan dan perhatian)

Inform patients also that the central nervous system depressant effects of allopurinol tablets may be additive to those of alcohol and other CNS depressants. (label Alopurinol, Peringatan dan perhatian)

In order to prevent gout flares when treatment with allopurinol tablets is initiated, concurrent prophylactic treatment with colchicine or an anti-inflammatory agent is recommended [ see Dosage and Administration (2.2) ]. (label Alopurinol, Peringatan dan perhatian)

Inform patients also that the central nervous system depressant effects of allopurinol tablets may be additive to those of alcohol and other CNS depressants. (label Alopurinol, Peringatan dan perhatian)

Hypersensitivity reactions to allopurinol tablets may be increased in patients with decreased kidney function receiving thiazide diuretics and allopurinol tablets concurrently. (label Alopurinol, Peringatan dan perhatian)

Theophylline or Aminophylline In 20 healthy subjects who received multiple doses of quinine sulfate (648 mg every 8 hours x 7 days) with a single 300 mg oral dose of theophylline, the quinine mean C max and AUC were increased by 13% and 14% respectively. (label Kuinin, Interaksi obat)

Inform patients also that the central nervous system depressant effects of allopurinol tablets may be additive to those of alcohol and other CNS depressants. (label Alopurinol, Peringatan dan perhatian)

Theophylline Clinical Impact: Increased clearance of theophylline [see Clinical Pharmacology (12.3) ] . (label Lansoprazol, Interaksi obat)

In patients taking ARAVA, exposure of drugs metabolized by CYP1A2 (e.g., alosetron, duloxetine, theophylline, tizanidine) may be reduced. (label Leflunomid, Interaksi obat)

Inform patients also that the central nervous system depressant effects of allopurinol tablets may be additive to those of alcohol and other CNS depressants. (label Alopurinol, Peringatan dan perhatian)

Inform patients also that the central nervous system depressant effects of allopurinol tablets may be additive to those of alcohol and other CNS depressants. (label Alopurinol, Peringatan dan perhatian)

However, concomitant administration of other fluoroquinolones with theophylline has resulted in prolonged elimination half-life, elevated serum theophylline levels, and a subsequent increase in the risk of theophylline-related adverse reactions in the patient population. (label Levofloksasin, Interaksi obat)

Concomitant use with ethinyl estradiol-containing CHCs may increase systemic exposure of other drugs (e.g., cyclosporine, prednisolone, theophylline, tizanidine, and voriconazole). (label Levonorgestrel dan etinilestradiol, Interaksi obat)

Inform patients also that the central nervous system depressant effects of allopurinol tablets may be additive to those of alcohol and other CNS depressants. (label Alopurinol, Peringatan dan perhatian)

There was a small decrease (~16%) in the clearance of cetirizine caused by a 400 mg dose of theophylline. (label Levosetirizin, Interaksi obat)

Hypersensitivity reactions to allopurinol tablets may be increased in patients with decreased kidney function receiving thiazide diuretics and allopurinol tablets concurrently. (label Alopurinol, Peringatan dan perhatian)

Inform patients also that the central nervous system depressant effects of allopurinol tablets may be additive to those of alcohol and other CNS depressants. (label Alopurinol, Peringatan dan perhatian)

Inform patients also that the central nervous system depressant effects of allopurinol tablets may be additive to those of alcohol and other CNS depressants. (label Alopurinol, Peringatan dan perhatian)

Inform patients also that the central nervous system depressant effects of allopurinol tablets may be additive to those of alcohol and other CNS depressants. (label Alopurinol, Peringatan dan perhatian)

Hypersensitivity reactions to allopurinol tablets may be increased in patients with decreased kidney function receiving thiazide diuretics and allopurinol tablets concurrently. (label Alopurinol, Peringatan dan perhatian)

Inform patients also that the central nervous system depressant effects of allopurinol tablets may be additive to those of alcohol and other CNS depressants. (label Alopurinol, Peringatan dan perhatian)

Inform patients also that the central nervous system depressant effects of allopurinol tablets may be additive to those of alcohol and other CNS depressants. (label Alopurinol, Peringatan dan perhatian)

Inform patients also that the central nervous system depressant effects of allopurinol tablets may be additive to those of alcohol and other CNS depressants. (label Alopurinol, Peringatan dan perhatian)

Concurrent use of mexiletine and theophylline may lead to increased plasma theophylline levels. (label Meksiletin, Interaksi obat)

Inform patients also that the central nervous system depressant effects of allopurinol tablets may be additive to those of alcohol and other CNS depressants. (label Alopurinol, Peringatan dan perhatian)

Concomitant use with allopurinol increases the exposure of either mercaptopurine or azathioprine which may increase the risk of myelosuppression. (label Alopurinol, Peringatan dan perhatian)

Inform patients also that the central nervous system depressant effects of allopurinol tablets may be additive to those of alcohol and other CNS depressants. (label Alopurinol, Peringatan dan perhatian)

Inform patients also that the central nervous system depressant effects of allopurinol tablets may be additive to those of alcohol and other CNS depressants. (label Alopurinol, Peringatan dan perhatian)

Inform patients also that the central nervous system depressant effects of allopurinol tablets may be additive to those of alcohol and other CNS depressants. (label Alopurinol, Peringatan dan perhatian)

Inform patients also that the central nervous system depressant effects of allopurinol tablets may be additive to those of alcohol and other CNS depressants. (label Alopurinol, Peringatan dan perhatian)

Inform patients also that the central nervous system depressant effects of allopurinol tablets may be additive to those of alcohol and other CNS depressants. (label Alopurinol, Peringatan dan perhatian)

Hypersensitivity reactions to allopurinol tablets may be increased in patients with decreased kidney function receiving thiazide diuretics and allopurinol tablets concurrently. (label Alopurinol, Peringatan dan perhatian)

Hypersensitivity reactions to allopurinol tablets may be increased in patients with decreased kidney function receiving thiazide diuretics and allopurinol tablets concurrently. (label Alopurinol, Peringatan dan perhatian)

Effect of XATMEP on Other Drugs Theophylline Methotrexate may decrease the clearance of theophylline. (label Metotreksat, Interaksi obat)

Inform patients also that the central nervous system depressant effects of allopurinol tablets may be additive to those of alcohol and other CNS depressants. (label Alopurinol, Peringatan dan perhatian)

Inform patients also that the central nervous system depressant effects of allopurinol tablets may be additive to those of alcohol and other CNS depressants. (label Alopurinol, Peringatan dan perhatian)

Inform patients also that the central nervous system depressant effects of allopurinol tablets may be additive to those of alcohol and other CNS depressants. (label Alopurinol, Peringatan dan perhatian)

Inform patients also that the central nervous system depressant effects of allopurinol tablets may be additive to those of alcohol and other CNS depressants. (label Alopurinol, Peringatan dan perhatian)

Inform patients also that the central nervous system depressant effects of allopurinol tablets may be additive to those of alcohol and other CNS depressants. (label Alopurinol, Peringatan dan perhatian)

…may cause hypoglycemia concomitant administration of medications that may lower the seizure threshold, including other bupropion products, antipsychotics, tricyclic antidepressants, theophylline, systemic steroids Recommendations for Reducing the Risk of Seizure: Clinical experience with bupropion suggests that the risk of seizure may be minimized by adhering to… (label Naltrekson dan bupropion, Peringatan dan perhatian)

Inform patients also that the central nervous system depressant effects of allopurinol tablets may be additive to those of alcohol and other CNS depressants. (label Alopurinol, Peringatan dan perhatian)

FEV 1 measurements taken when theophylline and nefazodone were coadministered did not differ from baseline dosage (i.e., when theophylline was administered alone). (label Nefazodon, Interaksi obat)

Consideration should be given to the use of allopurinol in patients at risk of hyperuricemia [see Dosage and Administration ( 2.4 )] . (label Nelarabin, Peringatan dan perhatian)

Effects of Combined Hormonal Contraceptives on Other Drugs CHCs containing EE may inhibit the metabolism of other compounds (e.g., cyclosporine, prednisolone, theophylline, tizanidine, and voriconazole) and increase their plasma concentrations. (label Norelgestromin dan etinilestradiol, Interaksi obat)

Effects of Combined Oral Contraceptives on Other Drugs COCs containing EE may inhibit the metabolism of other compounds (e.g., cyclosporine, prednisolone, theophylline, tizanidine, and voriconazole) and increase their plasma concentrations. (label Norgestimat dan etinilestradiol, Interaksi obat)

Effects of Combined Oral Contraceptives on Other Drugs COCs containing EE may inhibit the metabolism of other drugs (e.g., cyclosporine, prednisolone, theophylline, tizanidine, and voriconazole) and increase their plasma concentrations. (label Norgestrel dan etinilestradiol, Interaksi obat)

Inform patients also that the central nervous system depressant effects of allopurinol tablets may be additive to those of alcohol and other CNS depressants. (label Alopurinol, Peringatan dan perhatian)

This may result in a prolonged half-life for some drugs that are also metabolized by this system (e.g., cyclosporine, theophylline/methylxanthines, warfarin) when coadministered with quinolones. (label Ofloksasin, Interaksi obat)

Inform patients also that the central nervous system depressant effects of allopurinol tablets may be additive to those of alcohol and other CNS depressants. (label Alopurinol, Peringatan dan perhatian)

Inform patients also that the central nervous system depressant effects of allopurinol tablets may be additive to those of alcohol and other CNS depressants. (label Alopurinol, Peringatan dan perhatian)

Inform patients also that the central nervous system depressant effects of allopurinol tablets may be additive to those of alcohol and other CNS depressants. (label Alopurinol, Peringatan dan perhatian)

Inform patients also that the central nervous system depressant effects of allopurinol tablets may be additive to those of alcohol and other CNS depressants. (label Alopurinol, Peringatan dan perhatian)

Inform patients also that the central nervous system depressant effects of allopurinol tablets may be additive to those of alcohol and other CNS depressants. (label Alopurinol, Peringatan dan perhatian)

Inform patients also that the central nervous system depressant effects of allopurinol tablets may be additive to those of alcohol and other CNS depressants. (label Alopurinol, Peringatan dan perhatian)

Inform patients also that the central nervous system depressant effects of allopurinol tablets may be additive to those of alcohol and other CNS depressants. (label Alopurinol, Peringatan dan perhatian)

Inform patients also that the central nervous system depressant effects of allopurinol tablets may be additive to those of alcohol and other CNS depressants. (label Alopurinol, Peringatan dan perhatian)

Hypersensitivity reactions to allopurinol tablets may be increased in patients with decreased kidney function receiving thiazide diuretics and allopurinol tablets concurrently. (label Alopurinol, Peringatan dan perhatian)

Hypersensitivity reactions to allopurinol tablets may be increased in patients with decreased kidney function receiving thiazide diuretics and allopurinol tablets concurrently. (label Alopurinol, Peringatan dan perhatian)

Inform patients also that the central nervous system depressant effects of allopurinol tablets may be additive to those of alcohol and other CNS depressants. (label Alopurinol, Peringatan dan perhatian)

Inform patients also that the central nervous system depressant effects of allopurinol tablets may be additive to those of alcohol and other CNS depressants. (label Alopurinol, Peringatan dan perhatian)

Inform patients also that the central nervous system depressant effects of allopurinol tablets may be additive to those of alcohol and other CNS depressants. (label Alopurinol, Peringatan dan perhatian)

Inform patients also that the central nervous system depressant effects of allopurinol tablets may be additive to those of alcohol and other CNS depressants. (label Alopurinol, Peringatan dan perhatian)

Inform patients also that the central nervous system depressant effects of allopurinol tablets may be additive to those of alcohol and other CNS depressants. (label Alopurinol, Peringatan dan perhatian)

Inform patients also that the central nervous system depressant effects of allopurinol tablets may be additive to those of alcohol and other CNS depressants. (label Alopurinol, Peringatan dan perhatian)

Inform patients also that the central nervous system depressant effects of allopurinol tablets may be additive to those of alcohol and other CNS depressants. (label Alopurinol, Peringatan dan perhatian)

Inform patients also that the central nervous system depressant effects of allopurinol tablets may be additive to those of alcohol and other CNS depressants. (label Alopurinol, Peringatan dan perhatian)

Inform patients also that the central nervous system depressant effects of allopurinol tablets may be additive to those of alcohol and other CNS depressants. (label Alopurinol, Peringatan dan perhatian)

Inform patients also that the central nervous system depressant effects of allopurinol tablets may be additive to those of alcohol and other CNS depressants. (label Alopurinol, Peringatan dan perhatian)

Inform patients also that the central nervous system depressant effects of allopurinol tablets may be additive to those of alcohol and other CNS depressants. (label Alopurinol, Peringatan dan perhatian)

Inform patients also that the central nervous system depressant effects of allopurinol tablets may be additive to those of alcohol and other CNS depressants. (label Alopurinol, Peringatan dan perhatian)

Effects of Primaquine on the Pharmacokinetics of Other Drugs CYP1A2 Substrates Published clinical and non-clinical reports indicate primaquine inhibits CYP1A2 enzyme activity and thus may lead to increased exposure of CYP1A2 substrate drugs (e.g., duloxetine, alosetron, theophylline and tizanidine) when co-administered with Primaquine phosphate Tablets. (label Primakuin, Interaksi obat)

Inform patients also that the central nervous system depressant effects of allopurinol tablets may be additive to those of alcohol and other CNS depressants. (label Alopurinol, Peringatan dan perhatian)

In order to prevent gout flares when treatment with allopurinol tablets is initiated, concurrent prophylactic treatment with colchicine or an anti-inflammatory agent is recommended [ see Dosage and Administration (2.2) ]. (label Alopurinol, Peringatan dan perhatian)

Inform patients also that the central nervous system depressant effects of allopurinol tablets may be additive to those of alcohol and other CNS depressants. (label Alopurinol, Peringatan dan perhatian)

Inform patients also that the central nervous system depressant effects of allopurinol tablets may be additive to those of alcohol and other CNS depressants. (label Alopurinol, Peringatan dan perhatian)

Inform patients also that the central nervous system depressant effects of allopurinol tablets may be additive to those of alcohol and other CNS depressants. (label Alopurinol, Peringatan dan perhatian)

Inform patients also that the central nervous system depressant effects of allopurinol tablets may be additive to those of alcohol and other CNS depressants. (label Alopurinol, Peringatan dan perhatian)

Theophylline: Theophylline clearance may decrease when hyperthyroid patients on a stable theophylline regimen become euthyroid; a reduced dose of theophylline may be needed. (label Propiltiourasil, Interaksi obat)

Inform patients also that the central nervous system depressant effects of allopurinol tablets may be additive to those of alcohol and other CNS depressants. (label Alopurinol, Peringatan dan perhatian)

Inform patients also that the central nervous system depressant effects of allopurinol tablets may be additive to those of alcohol and other CNS depressants. (label Alopurinol, Peringatan dan perhatian)

Inform patients also that the central nervous system depressant effects of allopurinol tablets may be additive to those of alcohol and other CNS depressants. (label Alopurinol, Peringatan dan perhatian)

Inform patients also that the central nervous system depressant effects of allopurinol tablets may be additive to those of alcohol and other CNS depressants. (label Alopurinol, Peringatan dan perhatian)

…Clofibrate Oral Hypoglycemics Sulfonylureas (e.g., glyburide, glipizide) Hormonal Contraceptives/Progestins Ethinyl estradiol, levonorgestrel Immunosuppressants Cyclosporine, tacrolimus Methylxanthines Theophylline Narcotic analgesics Methadone Phosphodiesterase-5 (PDE-5) Inhibitors Sildenafil Thyroid preparations Levothyroxine Tricyclic antidepressants Amitriptyline,… (label Rifapentin, Interaksi obat)

Inform patients also that the central nervous system depressant effects of allopurinol tablets may be additive to those of alcohol and other CNS depressants. (label Alopurinol, Peringatan dan perhatian)

Bronchodilator: theophylline ↓ theophylline Increased dosage of theophylline may be required; therapeutic monitoring should be considered. (label Ritonavir, Interaksi obat)

Dicumarol Clinical Impact Allopurinol tablets prolongs the half-life of the anticoagulant, dicumarol. (label Alopurinol, Interaksi obat)

Inform patients also that the central nervous system depressant effects of allopurinol tablets may be additive to those of alcohol and other CNS depressants. (label Alopurinol, Peringatan dan perhatian)

Inform patients also that the central nervous system depressant effects of allopurinol tablets may be additive to those of alcohol and other CNS depressants. (label Alopurinol, Peringatan dan perhatian)

Inform patients also that the central nervous system depressant effects of allopurinol tablets may be additive to those of alcohol and other CNS depressants. (label Alopurinol, Peringatan dan perhatian)

There was a small decrease in the clearance of oral cetirizine hydrochloride caused by a 400-mg dose of theophylline; it is possible that larger theophylline doses could have a greater effect [see Clinical Pharmacology ( 12.3 )]. (label Setirizin, Interaksi obat)

Inform patients also that the central nervous system depressant effects of allopurinol tablets may be additive to those of alcohol and other CNS depressants. (label Alopurinol, Peringatan dan perhatian)

Inform patients also that the central nervous system depressant effects of allopurinol tablets may be additive to those of alcohol and other CNS depressants. (label Alopurinol, Peringatan dan perhatian)

Cyclophosphamide and Other Cytotoxic Agents Clinical Impact Concomitant use of allopurinol with cyclophosphamide and other cytotoxic agents (doxorubicin, bleomycin, procarbazine, mechloroethamine) increases bone marrow suppression among patients with neoplastic disease, except leukemia. (label Alopurinol, Interaksi obat)

Cyclosporine Clinical Impact Concomitant use of allopurinol increases cyclosporine concentrations, which may increase the risk of adverse reactions. (label Alopurinol, Interaksi obat)

…apparently through an effect on certain microsomal enzyme systems, has been reported to reduce the hepatic metabolism of warfarin-type anticoagulants, phenytoin, propranolol, nifedipine, chlordiazepoxide, diazepam, certain tricyclic antidepressants, lidocaine, theophylline, and metronidazole, thereby delaying elimination and increasing blood levels of these drugs. (label Simetidin, Interaksi obat)

Inform patients also that the central nervous system depressant effects of allopurinol tablets may be additive to those of alcohol and other CNS depressants. (label Alopurinol, Peringatan dan perhatian)

Inform patients also that the central nervous system depressant effects of allopurinol tablets may be additive to those of alcohol and other CNS depressants. (label Alopurinol, Peringatan dan perhatian)

Hypersensitivity reactions to allopurinol tablets may be increased in patients with decreased kidney function receiving thiazide diuretics and allopurinol tablets concurrently. (label Alopurinol, Peringatan dan perhatian)

Hypersensitivity reactions to allopurinol tablets may be increased in patients with decreased kidney function receiving thiazide diuretics and allopurinol tablets concurrently. (label Alopurinol, Peringatan dan perhatian)

Drug Interactions Some studies have shown that simultaneous sucralfate administration in healthy volunteers reduced the extent of absorption (bioavailability) of single doses of the following: cimetidine, digoxin, fluoroquinolone antibiotics, ketoconazole, l-thyroxine, phenytoin, quinidine, ranitidine, tetracycline, and theophylline. (label Sukralfat, Interaksi obat)

Inform patients also that the central nervous system depressant effects of allopurinol tablets may be additive to those of alcohol and other CNS depressants. (label Alopurinol, Peringatan dan perhatian)

When tadalafil was administered to subjects taking theophylline, a small augmentation (3 beats per minute) of the increase in heart rate associated with theophylline was observed. (label Tadalafil, Interaksi obat)

Digoxin and Theophylline Dosage adjustments are not necessary when a tamsulosin hydrochloride capsule is administered concomitantly with digoxin or theophylline [see Clinical Pharmacology ( 12.3 )] . (label Tamsulosin, Interaksi obat)

Inform patients also that the central nervous system depressant effects of allopurinol tablets may be additive to those of alcohol and other CNS depressants. (label Alopurinol, Peringatan dan perhatian)

Inform patients also that the central nervous system depressant effects of allopurinol tablets may be additive to those of alcohol and other CNS depressants. (label Alopurinol, Peringatan dan perhatian)

Hypersensitivity reactions to allopurinol tablets may be increased in patients with decreased kidney function receiving thiazide diuretics and allopurinol tablets concurrently. (label Alopurinol, Peringatan dan perhatian)

Inform patients also that the central nervous system depressant effects of allopurinol tablets may be additive to those of alcohol and other CNS depressants. (label Alopurinol, Peringatan dan perhatian)

Theophylline Clinical Impact Concomitant use of allopurinol doses greater than or equal to 600 mg/day may decrease the clearance of theophylline Intervention Monitor and adjust theophylline doses as reflected in the prescribing information. (label Alopurinol, Interaksi obat)

The influence of terbinafine on the pharmacokinetics of fluconazole, cotrimoxazole (trimethoprim and sulfamethoxazole), zidovudine or theophylline was not considered to be clinically significant. (label Terbinafin, Interaksi obat)

In patients taking AUBAGIO, exposure of drugs metabolized by CYP1A2 (e.g., alosetron, duloxetine, theophylline, tizanidine) may be reduced. (label Teriflunomid, Interaksi obat)

Inform patients also that the central nervous system depressant effects of allopurinol tablets may be additive to those of alcohol and other CNS depressants. (label Alopurinol, Peringatan dan perhatian)

Inform patients also that the central nervous system depressant effects of allopurinol tablets may be additive to those of alcohol and other CNS depressants. (label Alopurinol, Peringatan dan perhatian)

Theophylline: Theophylline clearance may decrease when hyperthyroid patients on a stable theophylline regimen become euthyroid; a reduced dose of theophylline may be needed. (label Tiamazol, Interaksi obat)

Inform patients also that the central nervous system depressant effects of allopurinol tablets may be additive to those of alcohol and other CNS depressants. (label Alopurinol, Peringatan dan perhatian)

Inform patients also that the central nervous system depressant effects of allopurinol tablets may be additive to those of alcohol and other CNS depressants. (label Alopurinol, Peringatan dan perhatian)

Concomitant Respiratory Medications SPIRIVA RESPIMAT has been used concomitantly with short-acting and long-acting sympathomimetic (beta-agonists) bronchodilators, methylxanthines, oral and inhaled steroids, antihistamines, mucolytics, leukotriene modifiers, cromones, and anti-IgE treatment without increases in adverse reactions. (label Tiotropium, Interaksi obat)

Inform patients also that the central nervous system depressant effects of allopurinol tablets may be additive to those of alcohol and other CNS depressants. (label Alopurinol, Peringatan dan perhatian)

Inform patients also that the central nervous system depressant effects of allopurinol tablets may be additive to those of alcohol and other CNS depressants. (label Alopurinol, Peringatan dan perhatian)

Hypersensitivity reactions to allopurinol tablets may be increased in patients with decreased kidney function receiving thiazide diuretics and allopurinol tablets concurrently. (label Alopurinol, Peringatan dan perhatian)

Upon initiation or discontinuation of TOFIDENCE, in patients being treated with these types of medicinal products, perform therapeutic monitoring of effect (e.g., warfarin) or drug concentration (e.g., cyclosporine or theophylline) and the individual dose of the medicinal product adjusted as needed. (label Tosilizumab, Interaksi obat)

Inform patients also that the central nervous system depressant effects of allopurinol tablets may be additive to those of alcohol and other CNS depressants. (label Alopurinol, Peringatan dan perhatian)

Inform patients also that the central nervous system depressant effects of allopurinol tablets may be additive to those of alcohol and other CNS depressants. (label Alopurinol, Peringatan dan perhatian)

Inform patients also that the central nervous system depressant effects of allopurinol tablets may be additive to those of alcohol and other CNS depressants. (label Alopurinol, Peringatan dan perhatian)

Hypersensitivity reactions to allopurinol tablets may be increased in patients with decreased kidney function receiving thiazide diuretics and allopurinol tablets concurrently. (label Alopurinol, Peringatan dan perhatian)

Hypersensitivity reactions to allopurinol tablets may be increased in patients with decreased kidney function receiving thiazide diuretics and allopurinol tablets concurrently. (label Alopurinol, Peringatan dan perhatian)

Inform patients also that the central nervous system depressant effects of allopurinol tablets may be additive to those of alcohol and other CNS depressants. (label Alopurinol, Peringatan dan perhatian)

Inform patients also that the central nervous system depressant effects of allopurinol tablets may be additive to those of alcohol and other CNS depressants. (label Alopurinol, Peringatan dan perhatian)

Inform patients also that the central nervous system depressant effects of allopurinol tablets may be additive to those of alcohol and other CNS depressants. (label Alopurinol, Peringatan dan perhatian)

Hypersensitivity reactions to allopurinol tablets may be increased in patients with decreased kidney function receiving thiazide diuretics and allopurinol tablets concurrently. (label Alopurinol, Peringatan dan perhatian)

• Effect of Smoking Cessation on Other Drugs: Pharmacokinetics or pharmacodynamics of certain drugs (e.g., theophylline, warfarin, insulin) may be altered, necessitating dose adjustment. (label Vareniklin, Interaksi obat)

Theophylline Verapamil may inhibit the clearance and increase the plasma levels of theophylline. (label Verapamil, Interaksi obat)

Inform patients also that the central nervous system depressant effects of allopurinol tablets may be additive to those of alcohol and other CNS depressants. (label Alopurinol, Peringatan dan perhatian)

Assess INR frequently and adjust warfarin dosage accordingly when allopurinol is added to warfarin therapy. (label Alopurinol, Interaksi obat)

Coadministration of zafirlukast (20 mg/day) or placebo at steady-state with a single dose of sustained release theophylline preparation (16 mg/kg) in 16 healthy boys and girls (6 through 11 years of age) resulted in no significant differences in the pharmacokinetic parameters of theophylline. (label Zafirlukast, Perhatian)

Inform patients also that the central nervous system depressant effects of allopurinol tablets may be additive to those of alcohol and other CNS depressants. (label Alopurinol, Peringatan dan perhatian)

Zileuton increases theophylline levels. (label Zileuton, Interaksi obat)

Inform patients also that the central nervous system depressant effects of allopurinol tablets may be additive to those of alcohol and other CNS depressants. (label Alopurinol, Peringatan dan perhatian)

Inform patients also that the central nervous system depressant effects of allopurinol tablets may be additive to those of alcohol and other CNS depressants. (label Alopurinol, Peringatan dan perhatian)

Inform patients also that the central nervous system depressant effects of allopurinol tablets may be additive to those of alcohol and other CNS depressants. (label Alopurinol, Peringatan dan perhatian)

CYP1A2 substrates: AGRYLIN demonstrates limited inhibitory activity towards CYP1A2 in vitro and may alter the exposure of concomitant CYP1A2 substrates (e.g., theophylline, fluvoxamine, ondansetron). (label Anagrelid, Interaksi obat)

A bronchodilator, such as theophylline or a β2-stimulant, should be made available in advance with instructions concerning its use. (label Asebutolol, Peringatan)

Hydration, urine alkalinization, and prophylaxis with allopurinol to prevent hyperuricemia may minimize potential complications of tumor lysis syndrome. (label Idarubisin, Peringatan dan perhatian)

ATROVENT HFA has been used concomitantly with other drugs, including sympathomimetic bronchodilators, methylxanthines, oral and inhaled steroids commonly used in the treatment of COPD. (label Ipratropium, Interaksi obat)

In foreign marketing experience in patients with renal failure, use of allopurinol concomitantly with captopril has been associated with neutropenia but this association has not appeared in U.S. reports. (label Kaptopril, Peringatan)

Acetazolamide, Urea, Xanthine Preparations, Alkalinizing Agents Clinical Impact: Concomitant use can lower serum lithium concentrations by increasing urinary lithium excretion. (label Litium, Interaksi obat)

Sixteen (16) drugs tested did not show an in vitro interaction with LOKELMA (allopurinol, apixaban, aspirin, captopril, cyclosporine, digoxin, ethinyl estradiol, lisinopril, magnesium, metformin, phenytoin, prednisone, propranolol, quinapril, spironolactone and ticagrelor). (label Natrium zirkonium siklosilikat, Interaksi obat)

…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 and anti-inflammatories–propoxyphene,… (label Prazosin, Interaksi obat)

Falsely high readings for theophylline have been reported in an in vitro study, using the Schack and Waxler technique, when therapeutic concentrations of theophylline and probenecid were added to human plasma. (label Probenesid, Interaksi obat)

Hepatotoxic Drugs Clinical trials in ALS patients excluded patients on concomitant medications which were potentially hepatotoxic (e.g., allopurinol, methyldopa, sulfasalazine). (label Riluzol, Interaksi obat)

Possible interactions with drugs known to be metabolized by CYP1A2 via competitive inhibition such as theophylline and imipramine may also occur. (label Ropivakain, Interaksi obat)

…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). (label Sidofovir, Interaksi obat)

The effect on CYP1A2 was explored further in a clinical interaction study with theophylline and no effect on metabolism was observed. (label Alosetron, Interaksi obat)

Other Drugs: In healthy volunteers, amlodipine, phenytoin, glyburide, ranitidine, omeprazole, hormone replacement therapy (a combination of conjugated estrogens and medroxyprogesterone), antacid (aluminum and magnesium hydroxides), and theophylline did not affect the pharmacokinetics of dofetilide. (label Dofetilid, Interaksi obat)

…Penciclovir No clinically significant alterations in penciclovir pharmacokinetics were observed following single-dose administration of 500 mg famciclovir after pretreatment with multiple doses of allopurinol, cimetidine, theophylline, zidovudine, promethazine, when given shortly after an antacid (magnesium and aluminum hydroxide), or concomitantly with emtricitabine. (label Famsiklovir, Interaksi obat)

Compounds that have been tested in man have included antipyrine, digoxin, propranolol, theophylline, and warfarin and no clinically meaningful interactions were found. (label Finasterid, Interaksi obat)

No dose 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… (label Montelukast, Interaksi obat)

Drug Interactions No interactions have been observed between nizatidine and theophylline, chlordiazepoxide, lorazepam, lidocaine, phenytoin, and warfarin. (label Nizatidin, Interaksi obat)