Common side effects of flecainide include:
Inform your doctor if any of the side effects above become serious or bothersome.
There are some potentially serious, but rare side effects that may be experienced:
Sometimes, flecainide may also cause visual disturbances e.g. blurred (fuzzy) or double vision, difficulty focusing.
Stop the medication and inform your doctor immediately if the side effects above occur, or if you experience any other side effects and allergic reactions (e.g. rash, swelling of the eyes and lips, difficulty breathing).
Check with the doctor or pharmacist if any other medication, supplements or herbal products is to be taken
Separate the administration of flecainide from the following food by at least 1-2 hours as it may affect the absorption of flecainide:
For babies / infants, report any change in dietary milk intake to the doctor as dose adjustments may be needed
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