Do not take this medication with any of the following:
-Abarelix
-Amiloride
-Amoxapine
-Apomorphine
-Arsenic trioxide
-Certain antifungal medications, such as itraconazole or ketoconazole
-Certain quinolone antibiotics
-Cisapride
-Droperidol
-Haloperidol
-Hawthorn
-Levomethadyl
-Maprotiline
-Medications for malaria, such as chloroquine and halofantrine
-Medications for depression such as tricyclic antidepressants
-Mefloquine
-Methadone
-Other medications to control heart rhythm
-Pentamidine
-Phenothiazines, such as chlorpromazine, mesoridazine, thioridazine
-Pimozide
-Ranolazine
-Sertindole
-Vardenafil
-Voriconazole
This medication may also interact with the following:
-Acetazolamide
-Antacids
-Barbiturates, such as phenobarbital
-Cimetidine
-Diuretics
-Medications for high blood pressure or angina
-Medications for surgery that relax muscles or block pain
-Methazolamide
-Phenytoin
-Prescription pain medications, such as codeine and hydrocodone
-Rifampin
-Sodium bicarbonate
-Warfarin
-Ziprasidone

They need to know if you have any of these conditions:
-Heart disease or previous heart attack
-Kidney disease
-Liver disease
-Low blood pressure
-Lung or breathing disease, like asthma
-Myasthenia gravis
-You have a pacemaker
-An unusual or allergic reaction to quinidine, quinine, other medications, foods, dyes, or preservatives
-Pregnant or trying to get pregnant
-Breast-feeding

Visit your care team for regular checks on your progress. Wear a medical ID bracelet or chain, and carry a card that describes your disease and details of your medication and dosage times.
Check your blood pressure and pulse rate regularly. Ask your care team what your blood pressure and pulse rate should be, and when you should contact them. Your care team also may schedule regular blood tests and electrocardiograms to check your progress.
You may get drowsy or dizzy. Do not drive, use machinery, or do anything that needs mental alertness until you know how this medication affects you. Do not stand or sit up quickly, especially if you are an older patient. This reduces the risk of dizzy or fainting spells. Alcohol may interfere with the effect of this medication. Avoid alcoholic drinks.
This medication can make you more sensitive to the sun. Keep out of the sun. If you cannot avoid being in the sun, wear protective clothing and use sunscreen. Do not use sun lamps or tanning beds/booths.

Keep out of the reach of children and pets.
Store at room temperature between 15 and 30 degrees C (59 and 86 degrees F). Protect from light and moisture. Keep container tightly closed. Get rid of any unused medication after the expiration date.