" Check with your doctor if any of these most COMMON side effects persist or become bothersome when using Flecainide:
Blurred vision; constipation; difficulty focusing; dizziness; faintness; headache; nausea; seeing spots; stomach discomfort; tiredness; unsteadiness; weakness.
Seek medical attention right away if any of these SEVERE side effects occur when using Flecainide:
Severe allergic reactions (rash; hives; itching; difficulty breathing; tightness in the chest; swelling of the mouth, face, lips, or tongue); chest pain; difficulty breathing; fainting; fast heartbeat; heart attack; life-threatening irregular heartbeat; lightheadedness; pounding in the chest; seizures; tremor; yellowing of the skin or eyes."
I hope this helps
- Flecainide Information for Consumers
- Flecainide Information for Healthcare Professionals (includes dosage details)
- Side Effects of Flecainide (detailed)
Search for questions
Still looking for answers? Try searching for what you seek or ask your own question.
My spouse was started on flecainide a mo. ago he now has a constant cough with full sounding gurgle?
Posted 12 Sep 2009 • 1 answer
Posted 19 Jun 2010 • 1 answer
Posted 26 Sep 2012 • 4 answers
Posted 26 Aug 2014 • 1 answer
Posted 16 May 2015 • 1 answer