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
- Diarrhea (35%)
- Upset stomach (22%)
- Lightheadedness (15%)
- Headache (7%)
- Fatigue (7%)
- Palpitations (7%)
- Chest pain (6%)
- Weakness (5%)
- Rash (5%)
Less Common Side Effects
- Problems with vision
- Change in sleep habits
- Shaking or tremor
- Nervousness
- Difficulty with coordination or movement
- Liver injury
- Autoimmune reactions
Quinidine Sulfate serious side effects
Contact your healthcare provider immediately if you experience any of the following.
- Abnormal heart rhythm: chest pain or discomfort, weakness, dizziness, or fainting
Source: DailyMed
The following Quinidine Sulfate 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 immediately if any of the following side effects occur:
Less common
Abdominal pain and/or yellow eyes or skin
blurred and/or double vision, confusion, delirium, disturbed color perception, headache, noises or ringing in the ear, and/or visual intolerance of light
dizziness or lightheadedness
fainting
Rare
Chest pain, fever, general discomfort, joint pain, joint swelling, muscle pain, and/or skin rash
nosebleeds or bleeding gums
unusual tiredness or weakness and/or pale skin
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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