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
- Dizziness
- Palpitations (fast or irregular heart beats)
- Chest pain
- Shortness of breath
- Change in taste
- Nausea
- Fatigue
- Anxiety
- Constipation
- Upper respiratory tract infection
- Influenza
- Swelling
Less Common Side Effects
- Heart murmur
- Wheezing or abnormal lung sounds
- Blurred vision
- Diarrhea
- Dry mouth
- Passing gas
- Weakness
- Blood in urine
- Headache
- Shaking (tremor)
- Sleepiness
- Anxiety
- Depression
- Bruising
Propafenone 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
- Heart failure: unexplained weight gain, fluid buildup in legs or feet, or more shortness of breath especially when you lie down
- Infection: fever, sore throat, chills
Source: DailyMed
The following Propafenone 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
fast, irregular, or slow heartbeat
lightheadedness, dizziness, or fainting
shortness of breath
swelling of the feet or lower legs
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:
More common
Change in taste or bitter or metallic taste
Less common
Blurred vision
dryness of the mouth
headache
nausea or vomiting
skin rash
unusual tiredness or weakness
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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