Quinine: What Other Drugs Will Affect Quinine

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What other drugs will affect quinine?

Before taking quinine, tell your doctor if you are using any of the following drugs:

arsenic trioxide (Trisenox);
astemizole (Hismanal);
cisapride (Propulsid);
cimetidine (Tagamet);
dextromethorphan (cough medicine);
digoxin (digitalis, Lanoxin);
droperidol (Inapsine);
metoprolol (Toprol);
paroxetine (Paxil);
rifampin (Rifadin, Rimactane, Rifater);
a blood thinner such as warfarin (Coumadin);
aminophylline (Truphylline), or theophylline (Elixophyllin, Respbid, Theobid, Theo-Dur, Uniphyl);
antibiotics such as clarithromycin (Biaxin), erythromycin (E-Mycin, E.E.S.), pentamidine (NebuPent, Pentam), sparfloxacin (Zagam), tetracycline (Brodspec, Tetracap), or troleandomycin (Tao);
heart rhythm medicine such as amiodarone (Cordarone, Pacerone), dofetilide (Tikosyn), ibutilide (Corvert), disopyramide (Norpace), procainamide (Procan, Pronestyl), quinidine (Cardioquin, Quinaglute), or sotalol (Betapace);
medicines to treat psychiatric disorders, such as chlorpromazine (Thorazine), haloperidol (Haldol), mesoridazine (Serentil), pimozide (Orap), or thioridazine (Mellaril);
narcotic medication such as levomethadyl (Orlaam) or methadone (Dolophine, Methadose);
seizure medication such as carbamazepine (Carbatrol, Tegretol), phenobarbital (Luminal, Solfoton), or phenytoin (Dilantin); or
other anti-malarial drugs such as chloroquine (Arelan), halofantrine (Halfan), or mefloquine (Mariam).

If you are using any of these drugs, you may not be able to use quinine, or you may need dosage adjustments or special tests during treatment.

There may be other drugs not listed that can affect quinine. Tell your doctor about all the prescription and over-the-counter medications you use. This includes vitamins, minerals, herbal products, and drugs prescribed by other doctors. Do not start using a new medication without telling your doctor.

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Last updated:	December 14, 2006

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