Ondansétron : interactions médicamenteuses

S e ro t o ni n Syndrome: Serotonin syndrome has been reported with 5-HT 3 receptor antagonists alone but particularly with concomitant use of serotonergic drugs. (notice Ondansétron, Mises en garde et précautions)

Reserve the combination of amiodarone with other antiarrhythmic therapies that prolong the QTc to patients with life-threatening ventricular arrhythmias who are incompletely responsive to a single agent. (notice Amiodarone, Mises en garde et précautions)

S e ro t o ni n Syndrome: Serotonin syndrome has been reported with 5-HT 3 receptor antagonists alone but particularly with concomitant use of serotonergic drugs. (notice Ondansétron, Mises en garde et précautions)

S e ro t o ni n Syndrome: Serotonin syndrome has been reported with 5-HT 3 receptor antagonists alone but particularly with concomitant use of serotonergic drugs. (notice Ondansétron, Mises en garde et précautions)

Serotonin Syndrome: Increased risk when co-administered with serotonergic agents (e.g., SSRIs, SNRIs, triptans), but also during overdosage situations. (notice Amphétamine, Mises en garde et précautions)

Serotonin Syndrome: Increased risk when coadministered with serotonergic agents (e.g., selective serotonin reuptake inhibitors (SSRIs), serotonin norepinephrine reuptake inhibitors (SNRIs), triptans), but also during overdosage situations. (notice Amphétamine et dexamfétamine, Mises en garde et précautions)

This risk which can be fatal should be considered in patients with certain cardiovascular disorders including known QT prolongation or history torsades de pointes, those with proarrhythmic conditions, and with other drugs that prolong the QT interval. (notice Azithromycine, Mises en garde et précautions)

• Serotonergic Drugs: Concomitant use may result in serotonin syndrome. (notice Belladone et opium, Interactions médicamenteuses)

Patients should be monitored for the emergence of serotonin syndrome, especially with concomitant use of Ondansetron Injection and other serotonergic drugs. (notice Ondansétron, Mises en garde et précautions)

Patients should be monitored for the emergence of serotonin syndrome, especially with concomitant use of Ondansetron Injection and other serotonergic drugs. (notice Ondansétron, Mises en garde et précautions)

Serotonergic Drugs : Concomitant use may result in serotonin syndrome. (notice Buprénorphine, Interactions médicamenteuses)

Serotonergic Drugs: Concomitant use may result in serotonin syndrome. (notice Buprénorphine et naloxone, Interactions médicamenteuses)

Patients should be monitored for the emergence of serotonin syndrome, especially with concomitant use of Ondansetron Injection and other serotonergic drugs. (notice Ondansétron, Mises en garde et précautions)

Intervention: Avoid concomitant use Serotonergic Drugs : Concomitant use may result in serotonin syndrome. (notice Butalbital, aspirine, caféine et codéine, Interactions médicamenteuses)

• Serotonergic Drugs: Concomitant use may result in serotonin syndrome. (notice Butalbital, paracétamol, caféine et codéine, Interactions médicamenteuses)

…medical attention if they ‎experience symptoms of hyperalgesia, including worsening pain, increased ‎sensitivity to pain, or new pain [see WARNINGS ; ADVERSE REACTIONS ].‎ Serotonin Syndrome Inform patients that butorphanol tartrate could cause a rare but potentially life-threatening condition resulting from concomitant administration of serotonergic drugs. (notice Butorphanol, Précautions)

Avoid use in patients with known prolongation, those with hypokalemia, and with other drugs that prolong the QT interval. (notice Ciprofloxacine, Mises en garde et précautions)

S e ro t o ni n Syndrome: Serotonin syndrome has been reported with 5-HT 3 receptor antagonists alone but particularly with concomitant use of serotonergic drugs. (notice Ondansétron, Mises en garde et précautions)

S e ro t o ni n Syndrome: Serotonin syndrome has been reported with 5-HT 3 receptor antagonists alone but particularly with concomitant use of serotonergic drugs. (notice Ondansétron, Mises en garde et précautions)

• Serotonergic Drugs: Concomitant use may result in serotonin syndrome. (notice Codéine, Interactions médicamenteuses)

Patients should be monitored for the emergence of serotonin syndrome, especially with concomitant use of Ondansetron Injection and other serotonergic drugs. (notice Ondansétron, Mises en garde et précautions)

S e ro t o ni n Syndrome: Serotonin syndrome has been reported with 5-HT 3 receptor antagonists alone but particularly with concomitant use of serotonergic drugs. (notice Ondansétron, Mises en garde et précautions)

S e ro t o ni n Syndrome: Serotonin syndrome has been reported with 5-HT 3 receptor antagonists alone but particularly with concomitant use of serotonergic drugs. (notice Ondansétron, Mises en garde et précautions)

Serotonin Syndrome Serotonin syndrome, a potentially life-threatening reaction, may occur when amphetamines are used in combination with other drugs that affect the serotonergic neurotransmitter systems such as monoamine oxidase inhibitors (MAOIs), selective serotonin reuptake inhibitors (SSRIs), serotonin norepinephrine reuptake inhibitors (SNRIs), triptans,… (notice Dexamfétamine, Mises en garde)

Patients should be monitored for the emergence of serotonin syndrome, especially with concomitant use of Ondansetron Injection and other serotonergic drugs. (notice Ondansétron, Mises en garde et précautions)

Patients should be monitored for the emergence of serotonin syndrome, especially with concomitant use of Ondansetron Injection and other serotonergic drugs. (notice Ondansétron, Mises en garde et précautions)

Patients should be monitored for the emergence of serotonin syndrome, especially with concomitant use of Ondansetron Injection and other serotonergic drugs. (notice Ondansétron, Mises en garde et précautions)

Use with Drugs that Prolong QT Interval and Antiarrhythmic Agents The use of dofetilide in conjunction with other drugs that prolong the QT interval has not been studied and is not recommended. (notice Dofétilide, Mises en garde)

S e ro t o ni n Syndrome: Serotonin syndrome has been reported with 5-HT 3 receptor antagonists alone but particularly with concomitant use of serotonergic drugs. (notice Ondansétron, Mises en garde et précautions)

S e ro t o ni n Syndrome: Serotonin syndrome has been reported with 5-HT 3 receptor antagonists alone but particularly with concomitant use of serotonergic drugs. (notice Ondansétron, Mises en garde et précautions)

S e ro t o ni n Syndrome: Serotonin syndrome has been reported with 5-HT 3 receptor antagonists alone but particularly with concomitant use of serotonergic drugs. (notice Ondansétron, Mises en garde et précautions)

Concomitant use of COMPLERA with drugs with a known risk to prolong the QTc interval of the electrocardiogram may increase the risk of Torsade de Pointes. (notice Emtricitabine, rilpivirine et ténofovir, Mises en garde et précautions)

S e ro t o ni n Syndrome: Serotonin syndrome has been reported with 5-HT 3 receptor antagonists alone but particularly with concomitant use of serotonergic drugs. (notice Ondansétron, Mises en garde et précautions)

• Serotonin Syndrome : Potentially life-threatening condition could result from concomitant serotonergic drug administration. (notice Fentanyl, Mises en garde et précautions)

Patients should be monitored for the emergence of serotonin syndrome, especially with concomitant use of Ondansetron Injection and other serotonergic drugs. (notice Ondansétron, Mises en garde et précautions)

Coadministration of other drugs known to prolong the QT interval and which are metabolized via the enzyme CYP3A4 such as erythromycin, pimozide, and quinidine are contraindicated in patients receiving fluconazole. (notice Fluconazole, Contre-indications)

S e ro t o ni n Syndrome: Serotonin syndrome has been reported with 5-HT 3 receptor antagonists alone but particularly with concomitant use of serotonergic drugs. (notice Ondansétron, Mises en garde et précautions)

S e ro t o ni n Syndrome: Serotonin syndrome has been reported with 5-HT 3 receptor antagonists alone but particularly with concomitant use of serotonergic drugs. (notice Ondansétron, Mises en garde et précautions)

(See DOSAGE and ADMINISTRATION. ) Because of the risk of QT prolongation and the potential for torsades de pointes, the use of FOSCAVIR should be avoided in combination with agents known to prolong the QT interval including Class IA (e.g., quinidine or procainamide) or Class III (e.g., dofetilide, amiodarone, sotalol) antiarrhythmic agents, phenothiazines, tricyclic… (notice Foscarnet, Interactions médicamenteuses)

Avoid co-administration of CONTEPO with drugs known to prolong the QT interval. (notice Fosfomycine, Interactions médicamenteuses)

S e ro t o ni n Syndrome: Serotonin syndrome has been reported with 5-HT 3 receptor antagonists alone but particularly with concomitant use of serotonergic drugs. (notice Ondansétron, Mises en garde et précautions)

Patients should be monitored for the emergence of serotonin syndrome, especially with concomitant use of Ondansetron Injection and other serotonergic drugs. (notice Ondansétron, Mises en garde et précautions)

Example: lactulose Serotonergic Drugs : Concomitant use may result in serotonin syndrome. (notice Hydrocodone, Interactions médicamenteuses)

Serotonergic drugs : Concomitant use may result in serotonin syndrome. (notice Hydrocodone et chlorphénamine, Interactions médicamenteuses)

Serotonergic Drugs : Concomitant use may result in serotonin syndrome. (notice Hydrocodone et homatropine, Interactions médicamenteuses)

S er otonin Syndrome Inform patients that opioids could cause a rare but potentially life-threatening condition resulting from concomitant administration of serotonergic drugs. (notice Hydrocodone et ibuprofène, Précautions)

Serotonin Syndrome Inform patients that hydrocodone bitartrate and acetaminophen tablets could cause a rare but potentially life-threatening condition resulting from concomitant administration of serotonergic drugs. (notice Hydrocodone et paracétamol, Précautions)

• Serotonergic Drugs : Concomitant use may result in serotonin syndrome. (notice Hydromorphone, Interactions médicamenteuses)

Therefore, PLAQUENIL is not recommended in patients taking other drugs that have the potential to prolong the QT interval. (notice Hydroxychloroquine, Mises en garde et précautions)

Avoid the use of FANAPT in combination with any other drugs that prolong the QT interval [see Warnings and Precautions (5.3) ] . (notice Ilopéridone, Interactions médicamenteuses)

S e ro t o ni n Syndrome: Serotonin syndrome has been reported with 5-HT 3 receptor antagonists alone but particularly with concomitant use of serotonergic drugs. (notice Ondansétron, Mises en garde et précautions)

Bradycardia may increase the risk of QT prolongation which may lead to severe ventricular arrhythmias, including torsade de pointes, especially in patients with risk factors such as use of QTc prolonging drugs [see Adverse Reactions ( 6.2 )] . (notice Ivabradine, Mises en garde et précautions)

Avoid use in patients with known prolongation, those with hypokalemia, and with other drugs that prolong the QT interval ( 5.11 , 8.5 ) (notice Lévofloxacine, Mises en garde et précautions)

S e ro t o ni n Syndrome: Serotonin syndrome has been reported with 5-HT 3 receptor antagonists alone but particularly with concomitant use of serotonergic drugs. (notice Ondansétron, Mises en garde et précautions)

Serotonin Syndrome Inform patients that opioids could cause a rare but potentially life-threatening condition resulting from concomitant administration of serotonergic drugs. (notice Lévorphanol, Précautions)

Patients should be monitored for the emergence of serotonin syndrome, especially with concomitant use of Ondansetron Injection and other serotonergic drugs. (notice Ondansétron, Mises en garde et précautions)

Serotonin Syndrome: Increased risk when co-administered with serotonergic agents (e.g., SSRIs, SNRIs, triptans), but also during overdosage situations. (notice Lisdexamfétamine, Mises en garde et précautions)

Patients should be monitored for the emergence of serotonin syndrome, especially with concomitant use of Ondansetron Injection and other serotonergic drugs. (notice Ondansétron, Mises en garde et précautions)

Avoid use in patients with congenital long QT syndrome, those with hypokalemia, and with other drugs that prolong the QT interval. (notice Lopinavir et ritonavir, Mises en garde et précautions)

Serotonin syndrome has resulted from concomitant use of metaxalone (within the recommended dosage range) and other serotonergic drugs [see Warnings and Precautions (5.1) ]. (notice Métaxalone, Interactions médicamenteuses)

Serotonin Syndrome : Potentially life-threatening condition could result from concomitant serotonergic drug administration. (notice Méthadone, Mises en garde et précautions)

Serotonin Syndrome: Increased risk when coadministered with serotonergic agents (e.g., SSRIs, SNRIs, triptans), but also during overdosage situations. (notice Méthamphétamine, Mises en garde et précautions)

L'association du millepertuis avec des antidépresseurs et d'autres médicaments sérotoninergiques augmente le risque de syndrome sérotoninergique. (NCCIH, St. John's Wort)

S e ro t o ni n Syndrome: Serotonin syndrome has been reported with 5-HT 3 receptor antagonists alone but particularly with concomitant use of serotonergic drugs. (notice Ondansétron, Mises en garde et précautions)

Patients should be monitored for the emergence of serotonin syndrome, especially with concomitant use of Ondansetron Injection and other serotonergic drugs. (notice Ondansétron, Mises en garde et précautions)

• Serotonergic Drugs: Concomitant use may result in serotonin syndrome. (notice Morphine, Interactions médicamenteuses)

S e ro t o ni n Syndrome: Serotonin syndrome has been reported with 5-HT 3 receptor antagonists alone but particularly with concomitant use of serotonergic drugs. (notice Ondansétron, Mises en garde et précautions)

Patients should be monitored for the emergence of serotonin syndrome, especially with concomitant use of Ondansetron Injection and other serotonergic drugs. (notice Ondansétron, Mises en garde et précautions)

S e ro t o ni n Syndrome: Serotonin syndrome has been reported with 5-HT 3 receptor antagonists alone but particularly with concomitant use of serotonergic drugs. (notice Ondansétron, Mises en garde et précautions)

S e ro t o ni n Syndrome: Serotonin syndrome has been reported with 5-HT 3 receptor antagonists alone but particularly with concomitant use of serotonergic drugs. (notice Ondansétron, Mises en garde et précautions)

Serotonergic Drugs : Concomitant use may result in serotonin syndrome. (notice Olicéridine, Interactions médicamenteuses)

Avoid coadministration of oxaliplatin injection with medicinal products with a known potential to prolong the QT interval. (notice Oxaliplatine, Interactions médicamenteuses)

Serotonergic Drug s: Concomitant use may result in serotonin syndrome. (notice Oxycodone, Interactions médicamenteuses)

Serotonergic Drugs : Concomitant use may result in serotonin syndrome. (notice Oxymorphone, Interactions médicamenteuses)

Patients should be monitored for the emergence of serotonin syndrome, especially with concomitant use of Ondansetron Injection and other serotonergic drugs. (notice Ondansétron, Mises en garde et précautions)

Serotonin Syndrome Inform patients that opioids could cause a rare but potentially life-threatening condition resulting from concomitant administration of serotonergic drugs. (notice Paracétamol et codéine, Précautions)

S e ro t o ni n Syndrome: Serotonin syndrome has been reported with 5-HT 3 receptor antagonists alone but particularly with concomitant use of serotonergic drugs. (notice Ondansétron, Mises en garde et précautions)

Avoid coadministration of VOTRIENT with drugs known to prolong the QT/QTc interval. (notice Pazopanib, Interactions médicamenteuses)

Serotonin Syndrome Inform patients that opioids could cause a rare but potentially life-threatening condition resulting from concomitant administration of serotonergic drugs. (notice Pentazocine et naloxone, Précautions)

Patients should be monitored for the emergence of serotonin syndrome, especially with concomitant use of Ondansetron Injection and other serotonergic drugs. (notice Ondansétron, Mises en garde et précautions)

Patients should be monitored for the emergence of serotonin syndrome, especially with concomitant use of Ondansetron Injection and other serotonergic drugs. (notice Ondansétron, Mises en garde et précautions)

Drugs that Prolong the QT Interval : Avoid concomitant use. (notice Phénobarbital, Interactions médicamenteuses)

Because pimozide prolongs the QT interval of the electrocardiogram it is contraindicated in patients with congenital long QT syndrome, patients with a history of cardiac arrhythmias, patients taking other drugs which prolong the QT interval of the electrocardiogram or patients with known hypokalemia or hypomagnesemia (see also PRECAUTIONS - DRUG INTERACTIONS ). (notice Pimozide, Contre-indications)

The use of WAKIX should be avoided in patients with known QT prolongation or in combination with other drugs known to prolong the QT interval [see Drug Interactions ( 7.1 )]. (notice Pitolisant, Mises en garde et précautions)

Serotonergic Drugs : Concomitant use may result in serotonin syndrome. (notice Prométhazine et codéine, Interactions médicamenteuses)

Patients should be monitored for the emergence of serotonin syndrome, especially with concomitant use of Ondansetron Injection and other serotonergic drugs. (notice Ondansétron, Mises en garde et précautions)

• Avoid use with other antiarrhythmic agents or drugs that prolong the QT interval. (notice Propafénone, Mises en garde et précautions)

S e ro t o ni n Syndrome: Serotonin syndrome has been reported with 5-HT 3 receptor antagonists alone but particularly with concomitant use of serotonergic drugs. (notice Ondansétron, Mises en garde et précautions)

Patients should be monitored for the emergence of serotonin syndrome, especially with concomitant use of Ondansetron Injection and other serotonergic drugs. (notice Ondansétron, Mises en garde et précautions)

Patients should be monitored for the emergence of serotonin syndrome, especially with concomitant use of Ondansetron Injection and other serotonergic drugs. (notice Ondansétron, Mises en garde et précautions)

• Serotonin Syndrome : Potentially life-threatening condition could result from concomitant serotonergic drug administration. (notice Rémifentanil, Mises en garde et précautions)

S e ro t o ni n Syndrome: Serotonin syndrome has been reported with 5-HT 3 receptor antagonists alone but particularly with concomitant use of serotonergic drugs. (notice Ondansétron, Mises en garde et précautions)

Patients should be monitored for the emergence of serotonin syndrome, especially with concomitant use of Ondansetron Injection and other serotonergic drugs. (notice Ondansétron, Mises en garde et précautions)

S e ro t o ni n Syndrome: Serotonin syndrome has been reported with 5-HT 3 receptor antagonists alone but particularly with concomitant use of serotonergic drugs. (notice Ondansétron, Mises en garde et précautions)

S e ro t o ni n Syndrome: Serotonin syndrome has been reported with 5-HT 3 receptor antagonists alone but particularly with concomitant use of serotonergic drugs. (notice Ondansétron, Mises en garde et précautions)

S e ro t o ni n Syndrome: Serotonin syndrome has been reported with 5-HT 3 receptor antagonists alone but particularly with concomitant use of serotonergic drugs. (notice Ondansétron, Mises en garde et précautions)

S e ro t o ni n Syndrome: Serotonin syndrome has been reported with 5-HT 3 receptor antagonists alone but particularly with concomitant use of serotonergic drugs. (notice Ondansétron, Mises en garde et précautions)

Patients should be monitored for the emergence of serotonin syndrome, especially with concomitant use of Ondansetron Injection and other serotonergic drugs. (notice Ondansétron, Mises en garde et précautions)

Certain conditions may increase the risk for torsade de pointes or sudden death such as (1) bradycardia; (2) hypokalemia or hypomagnesemia; (3) concomitant use of other drugs that prolong the QTc interval; and (4) presence of congenital prolongation of the QT interval [see Warnings and Precautions ( 5.8 ), Clinical Pharmacology (12.2) ]. (notice Tétrabénazine, Interactions médicamenteuses)

CONTRAINDICATIONS Thioridazine hydrochloride tablet use should be avoided in combination with other drugs that are known to prolong the QTc interval and in patients with congenital long QT syndrome or a history of cardiac arrhythmias. (notice Thioridazine, Contre-indications)

Patients should be monitored for the emergence of serotonin syndrome, especially with concomitant use of Ondansetron Injection and other serotonergic drugs. (notice Ondansétron, Mises en garde et précautions)

Patients should be monitored for the emergence of serotonin syndrome, especially with concomitant use of Ondansetron Injection and other serotonergic drugs. (notice Ondansétron, Mises en garde et précautions)

Patients should be monitored for the emergence of serotonin syndrome, especially with concomitant use of Ondansetron Injection and other serotonergic drugs. (notice Ondansétron, Mises en garde et précautions)

Patients should be monitored for the emergence of serotonin syndrome, especially with concomitant use of Ondansetron Injection and other serotonergic drugs. (notice Ondansétron, Mises en garde et précautions)

S e ro t o ni n Syndrome: Serotonin syndrome has been reported with 5-HT 3 receptor antagonists alone but particularly with concomitant use of serotonergic drugs. (notice Ondansétron, Mises en garde et précautions)

S e ro t o ni n Syndrome: Serotonin syndrome has been reported with 5-HT 3 receptor antagonists alone but particularly with concomitant use of serotonergic drugs. (notice Ondansétron, Mises en garde et précautions)

Avoid concomitant use of VEPPANU with strong CYP3A inhibitors or drugs known to prolong the QTc interval. (notice Vepdégestrant, Mises en garde et précautions)

S e ro t o ni n Syndrome: Serotonin syndrome has been reported with 5-HT 3 receptor antagonists alone but particularly with concomitant use of serotonergic drugs. (notice Ondansétron, Mises en garde et précautions)

Patients should be monitored for the emergence of serotonin syndrome, especially with concomitant use of Ondansetron Injection and other serotonergic drugs. (notice Ondansétron, Mises en garde et précautions)

…drugs, ziprasidone is contraindicated: • in patients with a known history of QT prolongation (including congenital long QT syndrome) • in patients with recent acute myocardial infarction • in patients with uncompensated heart failure Pharmacokinetic/pharmacodynamic studies between ziprasidone and other drugs that prolong the QT interval have not been performed. (notice Ziprasidone, Contre-indications)

S e ro t o ni n Syndrome: Serotonin syndrome has been reported with 5-HT 3 receptor antagonists alone but particularly with concomitant use of serotonergic drugs. (notice Ondansétron, Mises en garde et précautions)

Phenytoin, Carbamazepine, and Rifampin In patients treated with potent inducers of CYP3A4 (i.e., phenytoin, carbamazepine, and rifampin), the clearance of ondansetron was significantly increased and ondansetron blood concentrations were decreased. (notice Ondansétron, Interactions médicamenteuses)

MAO inhibitors, tricyclic antidepressants and drugs that prolong the QTc interval may potentiate effect on the cardiovascular system. (notice Arformotérol, Interactions médicamenteuses)

Phenytoin, Carbamazepine, and Rifampin In patients treated with potent inducers of CYP3A4 (i.e., phenytoin, carbamazepine, and rifampin), the clearance of ondansetron was significantly increased and ondansetron blood concentrations were decreased. (notice Ondansétron, Interactions médicamenteuses)

Phenytoin, Carbamazepine, and Rifampin In patients treated with potent inducers of CYP3A4 (i.e., phenytoin, carbamazepine, and rifampin), the clearance of ondansetron was significantly increased and ondansetron blood concentrations were decreased. (notice Ondansétron, Interactions médicamenteuses)

Phenytoin, Carbamazepine, and Rifampin In patients treated with potent inducers of CYP3A4 (i.e., phenytoin, carbamazepine, and rifampin), the clearance of ondansetron was significantly increased and ondansetron blood concentrations were decreased. (notice Ondansétron, Interactions médicamenteuses)

Phenytoin, Carbamazepine, and Rifampin In patients treated with potent inducers of CYP3A4 (i.e., phenytoin, carbamazepine, and rifampin), the clearance of ondansetron was significantly increased and ondansetron blood concentrations were decreased. (notice Ondansétron, Interactions médicamenteuses)

QT Interval Prolongation and V entricular A rr h ythmia Decreases in serum calcium can also prolong the QT interval, potentially resulting in ventricular arrhythmia. (notice Cinacalcet, Mises en garde et précautions)

Phenytoin, Carbamazepine, and Rifampin In patients treated with potent inducers of CYP3A4 (i.e., phenytoin, carbamazepine, and rifampin), the clearance of ondansetron was significantly increased and ondansetron blood concentrations were decreased. (notice Ondansétron, Interactions médicamenteuses)

Phenytoin, Carbamazepine, and Rifampin In patients treated with potent inducers of CYP3A4 (i.e., phenytoin, carbamazepine, and rifampin), the clearance of ondansetron was significantly increased and ondansetron blood concentrations were decreased. (notice Ondansétron, Interactions médicamenteuses)

Carefully monitor cardiac rhythm when administering SUPRANE to susceptible patients (e.g., patients with congenital Long QT Syndrome or patients taking drugs that can prolong the QT interval). (notice Desflurane, Mises en garde et précautions)

Phenytoin, Carbamazepine, and Rifampin In patients treated with potent inducers of CYP3A4 (i.e., phenytoin, carbamazepine, and rifampin), the clearance of ondansetron was significantly increased and ondansetron blood concentrations were decreased. (notice Ondansétron, Interactions médicamenteuses)

…cardiac disease, 3) treatment with Class I and Class III antiarrhythmics, 4) treatment with monoamine oxidase inhibitors (MAOI's), 5) concomitant treatment with other drug products known to prolong the QT interval (see PRECAUTIONS, Drug Interactions ), and 6) electrolyte imbalance, in particular hypokalemia and hypomagnesemia, or concomitant treatment with drugs… (notice Dropéridol, Mises en garde)

Phenytoin, Carbamazepine, and Rifampin In patients treated with potent inducers of CYP3A4 (i.e., phenytoin, carbamazepine, and rifampin), the clearance of ondansetron was significantly increased and ondansetron blood concentrations were decreased. (notice Ondansétron, Interactions médicamenteuses)

Phenytoin, Carbamazepine, and Rifampin In patients treated with potent inducers of CYP3A4 (i.e., phenytoin, carbamazepine, and rifampin), the clearance of ondansetron was significantly increased and ondansetron blood concentrations were decreased. (notice Ondansétron, Interactions médicamenteuses)

QT Prolongation: Monitor for prolonged QT intervals in patients with congestive heart failure, bradyarrhythmias, drugs known to prolong the QT interval, and electrolyte abnormalities. (notice Éribuline, Mises en garde et précautions)

Phenytoin, Carbamazepine, and Rifampin In patients treated with potent inducers of CYP3A4 (i.e., phenytoin, carbamazepine, and rifampin), the clearance of ondansetron was significantly increased and ondansetron blood concentrations were decreased. (notice Ondansétron, Interactions médicamenteuses)

Phenytoin, Carbamazepine, and Rifampin In patients treated with potent inducers of CYP3A4 (i.e., phenytoin, carbamazepine, and rifampin), the clearance of ondansetron was significantly increased and ondansetron blood concentrations were decreased. (notice Ondansétron, Interactions médicamenteuses)

…Antidepressants, QTc Prolonging Drugs Formoterol, as with other beta 2 -agonists, should be administered with extreme caution to patients being treated with monoamine oxidase inhibitors, tricyclic antidepressants, or drugs known to prolong the QTc interval because the effect of adrenergic agonists on the cardiovascular system may be potentiated by these agents. (notice Formotérol, Interactions médicamenteuses)

Phenytoin, Carbamazepine, and Rifampin In patients treated with potent inducers of CYP3A4 (i.e., phenytoin, carbamazepine, and rifampin), the clearance of ondansetron was significantly increased and ondansetron blood concentrations were decreased. (notice Ondansétron, Interactions médicamenteuses)

Effect on QT/QTc Interval: Androgen deprivation therapy may prolong the QT interval. (notice Goséréline, Mises en garde et précautions)

Phenytoin, Carbamazepine, and Rifampin In patients treated with potent inducers of CYP3A4 (i.e., phenytoin, carbamazepine, and rifampin), the clearance of ondansetron was significantly increased and ondansetron blood concentrations were decreased. (notice Ondansétron, Interactions médicamenteuses)

Monitor QT interval when administering FORANE to susceptible patients (e.g., patients with congenital Long QT Syndrome or patients taking drugs that can prolong the QT interval). (notice Isoflurane, Mises en garde et précautions)

TYKERB may prolong the QT interval in some patients. (notice Lapatinib, Mises en garde et précautions)

Effect on QT/QTc Interval: Androgen deprivation therapy may prolong the QT interval. (notice Leuproréline, Mises en garde et précautions)

Risk of QT Prolongation : Lofexidine tablets prolong the QT interval. (notice Lofexidine, Mises en garde et précautions)

Phenytoin, Carbamazepine, and Rifampin In patients treated with potent inducers of CYP3A4 (i.e., phenytoin, carbamazepine, and rifampin), the clearance of ondansetron was significantly increased and ondansetron blood concentrations were decreased. (notice Ondansétron, Interactions médicamenteuses)

Other Drugs that Prolong the QTc Interval Coadministration of other drugs known to alter cardiac conduction (e.g., anti-arrhythmic or beta-adrenergic blocking agents, calcium channel blockers, antihistamines or H 1 -blocking agents, tricyclic antidepressants and phenothiazines) might also contribute to a prolongation of the QTc interval. (notice Méfloquine, Interactions médicamenteuses)

In a crossover trial in 76 pediatric patients, intravenous ondansetron did not increase blood levels of high-dose methotrexate. (notice Ondansétron, Interactions médicamenteuses)

Drugs that Prolong the QT Interval QT prolongation has been reported, particularly when metronidazole was administered with drugs with the potential for prolonging the QT interval. (notice Métronidazole, Interactions médicamenteuses)

There is little or no experience with high exposure, concomitant dosing with other QT-prolonging drugs, or potassium channel variants resulting in a long QT interval. [See Warnings & Precautions ( 5.6 )] To minimize risk, the lowest effective dose should always be used. (notice Mifépristone, Mises en garde et précautions)

Phenytoin, Carbamazepine, and Rifampin In patients treated with potent inducers of CYP3A4 (i.e., phenytoin, carbamazepine, and rifampin), the clearance of ondansetron was significantly increased and ondansetron blood concentrations were decreased. (notice Ondansétron, Interactions médicamenteuses)

Phenytoin, Carbamazepine, and Rifampin In patients treated with potent inducers of CYP3A4 (i.e., phenytoin, carbamazepine, and rifampin), the clearance of ondansetron was significantly increased and ondansetron blood concentrations were decreased. (notice Ondansétron, Interactions médicamenteuses)

Phenytoin, Carbamazepine, and Rifampin In patients treated with potent inducers of CYP3A4 (i.e., phenytoin, carbamazepine, and rifampin), the clearance of ondansetron was significantly increased and ondansetron blood concentrations were decreased. (notice Ondansétron, Interactions médicamenteuses)

Pharmacokinetic studies between moxifloxacin and other drugs that prolong the QT interval such as cisapride, erythromycin, antipsychotics, and tricyclic antidepressants have not been performed. (notice Moxifloxacine, Mises en garde et précautions)

Phenytoin, Carbamazepine, and Rifampin In patients treated with potent inducers of CYP3A4 (i.e., phenytoin, carbamazepine, and rifampin), the clearance of ondansetron was significantly increased and ondansetron blood concentrations were decreased. (notice Ondansétron, Interactions médicamenteuses)

Serotonergic Drugs The concomitant use of opioids with other drugs that affect the serotonergic neurotransmitter system, such as selective serotonin reuptake inhibitors (SSRIs), serotonin and norepinephrine reuptake inhibitors (SNRIs), tricyclic antidepressants (TCAs), triptans, 5-HT3 receptor antagonists, drugs that effect the serotonin neurotransmitter system… (notice Nalbuphine, Interactions médicamenteuses)

Phenytoin, Carbamazepine, and Rifampin In patients treated with potent inducers of CYP3A4 (i.e., phenytoin, carbamazepine, and rifampin), the clearance of ondansetron was significantly increased and ondansetron blood concentrations were decreased. (notice Ondansétron, Interactions médicamenteuses)

Phenytoin, Carbamazepine, and Rifampin In patients treated with potent inducers of CYP3A4 (i.e., phenytoin, carbamazepine, and rifampin), the clearance of ondansetron was significantly increased and ondansetron blood concentrations were decreased. (notice Ondansétron, Interactions médicamenteuses)

…combination with other drugs that are known to prolong QTc including Class 1A (e.g., quinidine, procainamide) or Class III (e.g., amiodarone, sotalol) antiarrhythmic medications, antipsychotic medications (e.g., chlorpromazine, thioridazine), antibiotics (e.g., gatifloxacin, moxifloxacin), or any other class of medications known to prolong the QTc interval. (notice Palipéridone, Mises en garde et précautions)

Drugs that Prolong QT: Use with caution in patients who are at significant risk of developing QTc prolongation. (notice Pasiréotide, Interactions médicamenteuses)

Phenytoin, Carbamazepine, and Rifampin In patients treated with potent inducers of CYP3A4 (i.e., phenytoin, carbamazepine, and rifampin), the clearance of ondansetron was significantly increased and ondansetron blood concentrations were decreased. (notice Ondansétron, Interactions médicamenteuses)

Phenytoin, Carbamazepine, and Rifampin In patients treated with potent inducers of CYP3A4 (i.e., phenytoin, carbamazepine, and rifampin), the clearance of ondansetron was significantly increased and ondansetron blood concentrations were decreased. (notice Ondansétron, Interactions médicamenteuses)

Anti-Arrhythmic Drugs, QT Prolonging Drugs, Drugs that may Decrease Heart Rate PONVORY has not been studied in patients taking QT prolonging drugs. (notice Ponésimod, Interactions médicamenteuses)

QT Interval Prolonging Drugs The pharmacodynamic interaction potential to prolong the QT interval of the electrocardiogram between Primaquine phosphate Tablets and other drugs that effect cardiac conduction is unknown. (notice Primaquine, Interactions médicamenteuses)

Phenytoin, Carbamazepine, and Rifampin In patients treated with potent inducers of CYP3A4 (i.e., phenytoin, carbamazepine, and rifampin), the clearance of ondansetron was significantly increased and ondansetron blood concentrations were decreased. (notice Ondansétron, Interactions médicamenteuses)

…Class 1A antiarrythmics (e.g., quinidine, procainamide) or Class III antiarrythmics (e.g., amiodarone, sotalol), antipsychotic medications (e.g., ziprasidone, chlorpromazine, thioridazine), antibiotics (e.g., gatifloxacin, moxifloxacin), or any other class of medications known to prolong the QTc interval (e.g., pentamidine, levomethadyl acetate, methadone). (notice Quétiapine, Mises en garde et précautions)

Phenytoin, Carbamazepine, and Rifampin In patients treated with potent inducers of CYP3A4 (i.e., phenytoin, carbamazepine, and rifampin), the clearance of ondansetron was significantly increased and ondansetron blood concentrations were decreased. (notice Ondansétron, Interactions médicamenteuses)

Phenytoin, Carbamazepine, and Rifampin In patients treated with potent inducers of CYP3A4 (i.e., phenytoin, carbamazepine, and rifampin), the clearance of ondansetron was significantly increased and ondansetron blood concentrations were decreased. (notice Ondansétron, Interactions médicamenteuses)

Phenytoin, Carbamazepine, and Rifampin In patients treated with potent inducers of CYP3A4 (i.e., phenytoin, carbamazepine, and rifampin), the clearance of ondansetron was significantly increased and ondansetron blood concentrations were decreased. (notice Ondansétron, Interactions médicamenteuses)

In healthy subjects, 75 mg once daily and 300 mg once daily (3 times and 12 times the dose in EDURANT) have been shown to prolong the QTc interval of the electrocardiogram. (notice Rilpivirine, Mises en garde et précautions)

Phenytoin, Carbamazepine, and Rifampin In patients treated with potent inducers of CYP3A4 (i.e., phenytoin, carbamazepine, and rifampin), the clearance of ondansetron was significantly increased and ondansetron blood concentrations were decreased. (notice Ondansétron, Interactions médicamenteuses)

QT Interval Prolongation The overall analysis of ECG data in pediatric patients indicates that the concomitant use of Rocuronium Bromide Injection with general anesthetic agents can prolong the QTc interval [see Clinical Studies ( 14.3 )]. (notice Rocuronium, Mises en garde et précautions)

Caution should be exercised when administering sevoflurane to susceptible patients (e.g., patients with congenital Long QT Syndrome or patients taking drugs that can prolong the QT interval). (notice Sévoflurane, Mises en garde)

Monitor electrolytes and electrocardiograms in patients with congestive heart failure, bradyarrhythmias, drugs known to prolong the QT interval, including Class Ia and III antiarrhythmics. (notice Sorafénib, Mises en garde et précautions)

Additive to other QT-prolonging drugs ( 7.1 , 7.2 ) (notice Sotalol, Interactions médicamenteuses)

Drugs that Prolong the QT interval QT prolongation has been reported with metronidazole, a component of bismuth subcitrate potassium, metronidazole and tetracycline hydrochloride, particularly when administered with drugs with the potential for prolonging the QT interval. (notice Sous-citrate de bismuth, métronidazole et tétracycline, Mises en garde et précautions)

Drugs that Prolong QT Interval SUTENT is associated with QTc interval prolongation [see Warnings and Precautions (5.3) , Clinical Pharmacology (12.2) ] . (notice Sunitinib, Interactions médicamenteuses)

Phenytoin, Carbamazepine, and Rifampin In patients treated with potent inducers of CYP3A4 (i.e., phenytoin, carbamazepine, and rifampin), the clearance of ondansetron was significantly increased and ondansetron blood concentrations were decreased. (notice Ondansétron, Interactions médicamenteuses)

Phenytoin, Carbamazepine, and Rifampin In patients treated with potent inducers of CYP3A4 (i.e., phenytoin, carbamazepine, and rifampin), the clearance of ondansetron was significantly increased and ondansetron blood concentrations were decreased. (notice Ondansétron, Interactions médicamenteuses)

…procainamide, disopyramide) and Class III (e.g., amiodarone, sotalol, ibutilide, dofetilide) antiarrhythmics; certain antipsychotics (e.g., thioridazine, haloperidol); certain antidepressants (e.g., venlafaxine, amitriptyline); certain antibiotics (e.g., erythromycin, clarithromycin, levofloxacin, ofloxacin); and certain anti-emetics (e.g., ondansetron, granisetron). (notice Torémifène, Interactions médicamenteuses)

Effect on QT/QTc Interval: Androgen deprivation therapy may prolong the QT interval. (notice Triptoréline, Mises en garde et précautions)

…like other beta 2 -agonists, should be administered with extreme caution to patients being treated with monoamine oxidase inhibitors, tricyclic antidepressants, or drugs known to prolong the QTc interval or within 2 weeks of discontinuation of such agents, because the effect of adrenergic agonists on the cardiovascular system may be potentiated by these agents. (notice Uméclidinium et vilantérol, Interactions médicamenteuses)

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). (notice Anagrélide, Interactions médicamenteuses)

Interactions with general or local anesthetics have not been studied. (notice Ondansétron, Interactions médicamenteuses)

Most reports have been associated with concomitant use of serotonergic drugs (e.g., selective serotonin reuptake inhibitors (SSRIs), serotonin and norepinephrine reuptake inhibitors (SNRIs), monoamine oxidase inhibitors, mirtazapine, fentanyl, lithium, tramadol, and intravenous methylene blue). (notice Ondansétron, Mises en garde et précautions)

Interactions with general or local anesthetics have not been studied. (notice Ondansétron, Interactions médicamenteuses)

Interactions with general or local anesthetics have not been studied. (notice Ondansétron, Interactions médicamenteuses)

Chemotherapy In humans, carmustine, etoposide, and cisplatin do not affect the pharmacokinetics of ondansetron. (notice Ondansétron, Interactions médicamenteuses)

Interactions with general or local anesthetics have not been studied. (notice Ondansétron, Interactions médicamenteuses)

Chemotherapy In humans, carmustine, etoposide, and cisplatin do not affect the pharmacokinetics of ondansetron. (notice Ondansétron, Interactions médicamenteuses)

Interactions with general or local anesthetics have not been studied. (notice Ondansétron, Interactions médicamenteuses)

Interactions with general or local anesthetics have not been studied. (notice Ondansétron, Interactions médicamenteuses)

Chemotherapy In humans, carmustine, etoposide, and cisplatin do not affect the pharmacokinetics of ondansetron. (notice Ondansétron, Interactions médicamenteuses)

…(e.g., amiodarone, sotalol) antiarrhythmics, certain antipsychotics (e.g., ziprasidone, iloperidone, clozapine, quetiapine, chlorpromazine), certain antidepressants (e.g., citalopram, fluoxetine), certain antibiotics (e.g., azithromycin, erythromycin, clarithromycin, gatifloxacin, moxifloxacin); and others (e.g., pentamidine, methadone, ondansetron, droperidol). (notice Hydroxyzine, Précautions)

Most reports have been associated with concomitant use of serotonergic drugs (e.g., selective serotonin reuptake inhibitors (SSRIs), serotonin and norepinephrine reuptake inhibitors (SNRIs), monoamine oxidase inhibitors, mirtazapine, fentanyl, lithium, tramadol, and intravenous methylene blue). (notice Ondansétron, Mises en garde et précautions)

Interactions with general or local anesthetics have not been studied. (notice Ondansétron, Interactions médicamenteuses)

Interactions with general or local anesthetics have not been studied. (notice Ondansétron, Interactions médicamenteuses)

Interactions with general or local anesthetics have not been studied. (notice Ondansétron, Interactions médicamenteuses)

Interactions with general or local anesthetics have not been studied. (notice Ondansétron, Interactions médicamenteuses)

Interactions with general or local anesthetics have not been studied. (notice Ondansétron, Interactions médicamenteuses)

Interactions with general or local anesthetics have not been studied. (notice Ondansétron, Interactions médicamenteuses)

Serotonergic Drugs Clinical Impact: The concomitant use of opioids with other drugs that affect the serotonergic neurotransmitter system has resulted in serotonin syndrome [see Adverse Reaction ( 6.2)]. (notice Oxycodone et paracétamol, Interactions médicamenteuses)

The safety and efficacy of combination therapy with phentermine and any other drug products for weight loss including prescribed drugs, over-the-counter preparations, and herbal products, or serotonergic agents such as selective serotonin reuptake inhibitors (e.g., fluoxetine, sertraline, fluvoxamine, paroxetine), have not been established. (notice Phentermine, Mises en garde et précautions)

Interactions with general or local anesthetics have not been studied. (notice Ondansétron, Interactions médicamenteuses)

Interactions with general or local anesthetics have not been studied. (notice Ondansétron, Interactions médicamenteuses)

Interactions with general or local anesthetics have not been studied. (notice Ondansétron, Interactions médicamenteuses)

Most reports have been associated with concomitant use of serotonergic drugs (e.g., selective serotonin reuptake inhibitors (SSRIs), serotonin and norepinephrine reuptake inhibitors (SNRIs), monoamine oxidase inhibitors, mirtazapine, fentanyl, lithium, tramadol, and intravenous methylene blue). (notice Ondansétron, Mises en garde et précautions)

Alfentanil and Atracurium Ondansetron does not alter the respiratory depressant effects produced by alfentanil or the degree of neuromuscular blockade produced by atracurium. (notice Ondansétron, Interactions médicamenteuses)

Intervention No dosage adjustment needed Examples ondansetron, granisetron, dolasetron 7.2 Effect of Other Drugs on the Pharmacokinetics of Fosaprepitant/Aprepitant Aprepitant is a CYP3A4 substrate [see Clinical Pharmacology (12.3)] . (notice Fosaprépitant, Interactions médicamenteuses)

Temazepam The coadministration of ondansetron had no effect on the pharmacokinetics and pharmacodynamics of temazepam. (notice Ondansétron, Interactions médicamenteuses)