What should I tell my care team before I take this medication?
They need to know if you have any of these conditions:
- Diabetes
- Glaucoma
- Heart disease or previous heart attack
- Kidney disease
- Liver disease
- Low blood pressure
- Malnutrition
- Myasthenia gravis
- Trouble passing urine
- An unusual or allergic reaction to disopyramide, other medications, foods, dyes, or preservatives
- Pregnant or trying to get pregnant
- Breastfeeding
What may interact with this medication?
Do not take this medication with any of the following:
- Amoxapine
- Antivirals for HIV or AIDS
- Apomorphine
- Arsenic trioxide
- Certain antibiotics, such as clarithromycin, erythromycin, pentamidine
- Certain medications for depression, such as maprotiline, tricyclic antidepressants
- Certain medications for fungal infections, such as fluconazole, itraconazole, ketoconazole, posaconazole, voriconazole
- Certain medications for malaria, such as chloroquine, halofantrine
- Cisapride
- Droperidol
- Haloperidol
- Hawthorn
- Methadone
- Other medications for irregular heartbeat, such as dronedarone
- Phenothiazines, such as chlorpromazine, mesoridazine, thioridazine
- Pimozide
- Ranolazine
- Sertindole
- Tacrolimus
- Vardenafil
- Verapamil
This medication may also interact with the following:
- Certain medications for blood pressure or heart disease, such as beta blockers
- Certain medications for seizures, such as carbamazepine, phenytoin, phenobarbital
- Other medications that cause heart rhythm changes, such as dofetilide, ziprasidone
This list may not describe all possible interactions. Give your health care provider a list of all the medicines, herbs, non-prescription drugs, or dietary supplements you use. Also tell them if you smoke, drink alcohol, or use illegal drugs. Some items may interact with your medicine.
What should I watch for while using this medication?
Visit your care team for regular checks on your progress. Check your heart rate and blood pressure as directed. Know what your heart rate and blood pressure should be and when to contact your care team. Your care team also may schedule regular tests to check your progress.
This medication may affect your coordination, reaction time, or judgment. Do not drive or operate machinery until you know how this medication affects you. Sit up or stand slowly to reduce the risk of dizzy or fainting spells. Drinking alcohol with this medication can increase the risk of these side effects.
Your mouth may get dry. Chewing sugarless gum or sucking hard candy and drinking plenty of water may help. Contact your care team if the problem does not go away or is severe.
This medication may cause dry eyes and blurred vision. If you wear contact lenses, you may feel some discomfort. Lubricating eye drops may help. See your care team if the problem does not go away or is severe.
Avoid extreme heat. This medication can cause you to sweat less than normal. Your body temperature could increase to dangerous levels, which may lead to heat stroke.
This medication may affect blood sugar levels. If you have diabetes, check with your care team before you change your diet or the dose of your diabetic medication.
What are the most serious risks of this medication?
If you have had a heart attack, talk to your healthcare provider before taking this medicine. Taking this medicine after a heart attack can increase the risk of a dangerous change in heartbeat or heart rhythm that may lead to death. This medicine is usually only used to treat irregular heartbeats (arrhythmia) that are life-threatening.