The following side effects may get better over time as your body gets used to the medication. Let your healthcare provider know immediately if you continue to experience these symptoms or if they worsen over time.
Common Side Effects
- Dry mouth (32%)
- Trouble starting to urinate or maintaining urine flow (14%)
- Constipation (11%)
- Blurred vision (up to 9%)
- Dry nose, dry eyes, or dry throat (up to 9%)
- Trouble urinating (up to 9%)
- Frequent or urgent urination (up to 9%)
- Nausea (up to 9%)
- Pain, bloating, or gas (up to 9%)
- Dizziness (up to 9%)
- Fatigue or muscle weakness (up to 9%)
- Headache (up to 9%)
- Feeling unwell (up to 9%)
- Aches or pains (up to 9%)
Less Common Side Effects
- Erectile dysfunction or difficulty achieving orgasm
- Low blood pressure
- Worse heart failure
- Abnormal heart rhythm
- Excess fluid under the skin (edema) or weight gain
- Shortness of breath
- Fainting
- Chest pain
- Poor appetite
- Diarrhea
- Rash
- Nervousness
Disopyramide serious side effects
Contact your healthcare provider immediately if you experience any of the following.
- Low blood pressure or abnormal heart rhythm: chest pain or discomfort, weakness, dizziness, fainting
- Heart failure: shortness of breath, swelling of feet or ankles, sudden weight gain, dizziness
Source: DailyMed
The following Disopyramide side effects have also been reported
Along with its needed effects, a medicine may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention.
Check with your doctor as soon as possible if any of the following side effects occur:
More common
Dizziness, feeling of faintness
fainting
heartbeat sensations
shortness of breath
unusual tiredness
Less common
fast or slow heartbeat, rapid weight gain, swelling of feet or lower legs
lightheadedness
rash and/or itching
Rare
Enlargement of breasts in men
mental depression
nosebleeds or bleeding gums
sore throat and fever
yellow eyes or skin
Signs and symptoms of hypoglycemia (low blood sugar)
Anxious feeling
chills
cold sweats
confusion
cool, pale skin
drowsiness
fast heartbeat
headache
hunger (excessive)
nervousness
shakiness
unsteady walk
unusual tiredness or weakness
Some side effects may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects. Check with your health care professional if any of the following side effects continue or are bothersome or if you have any questions about them:
Other side effects not listed may also occur in some patients. If you notice any other effects, check with your healthcare professional.
Call your doctor for medical advice about side effects. You may report side effects to the FDA at 1-800-FDA-1088.
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