What other drugs will affect quetiapine (Seroquel, Seroquel XR)?
Before using quetiapine, tell your doctor if you regularly use other medicines that make you sleepy (such as cold or allergy medicine, sedatives, narcotic pain medicine, sleeping pills, muscle relaxers, and medicine for seizures, depression, or anxiety). They can add to sleepiness caused by quetiapine.Tell your doctor about all other medicines you use, especially:a medication to treat high blood pressure or a heart condition;medications to treat Parkinson's disease;steroids (prednisone and others);an antibiotic or antifungal medication such as clarithromycin (Biaxin), erythromycin (E.E.S., EryPed, Ery-Tab, Erythrocin, Pediazole), levofloxacin (Levaquin), ketoconazole (Nizoral), rifampin (Rifadin, Rimactane, Rifater), and others;anti-malaria medications such as chloroquine (Aralen) or mefloquine (Lariam);heart rhythm medicine such as amiodarone (Cordarone, Pacerone), dofetilide (Tikosyn), disopyramide (Norpace), procainamide (Procan, Pronestyl), propafenone (Rythmol), quinidine (Quin-G), and others;medications to treat HIV or AIDS;migraine headache medicine such as sumatriptan (Imitrex, Treximet) or zolmitriptan (Zomig);narcotic medication such as methadone (Methadose, Diskets, Dolophine);seizure medication such as carbamazepine (Carbatrol, Tegretol), divalproex (Depakote), phenobarbital (Luminal, Solfoton), phenytoin (Dilantin), or valproic acid (Depakene, Stavzor); orother antidepressant or medicines to treat psychiatric disorders, such as amitriptylline (Elavil, Vanatrip, Limbitrol), clozapine (FazaClo, Clozaril), fluoxetine (Prozac, Sarafem, Symbyax), haloperidol (Haldol), risperidone (Risperdal), thioridazine (Mellaril), and others.This list is not complete and other drugs may interact with quetiapine. Tell your doctor about all medications you use. This includes prescription, over-the-counter, vitamin, and herbal products. Do not start a new medication without telling your doctor.