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Flecainide Side Effects summary
Total Flecainide reports: 22.Flecainide FDA safety alerts: No.
Reported deaths: 4 Reported hospitalizations: 13.
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Flecainide Side Effects: electrocardiogram qrs complex prolonged, syncope, bundle branch block right, asthenia, ventricular tachycardia, malaise, atrial fibrillation, hypokalaemia, hyponatraemia, vomiting, torsade de pointes,
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Flecainide Side Effects reported to FDA
Flecainide Side Effects Report #5625770-6
Consumer or non-health professional from FINLAND reported FLECAINIDE problem on Jan 28, 2008. Male patient, 32 years of age, was diagnosed with atrial fibrillation and was treated with FLECAINIDE. After drug was administered, patient experienced the following problems/side effects: atrioventricular block, blood pressure systolic decreased, depressed level of consciousness, dyspnoea, heart rate irregular, nausea. FLECAINIDE dosage: 200 MG. During the same period patient was treated with BISOPROLOL FUMARATE. Patient was hospitalized. Patient died.
Flecainide Side Effects Report #5603322-1
FLECAINIDE problem was reported by a Physician from AUSTRALIA on Jan 03, 2008. Female patient, 34 years of age, was diagnosed with supraventricular tachycardia and was treated with FLECAINIDE. After drug was administered, patient experienced the following problems/side effects: arrhythmia, electrocardiogram qt prolonged, heart rate decreased, hypotension, intentional overdose, metabolic acidosis, pulse pressure decreased. FLECAINIDE dosage: unknown. Patient recovered.
Flecainide Side Effects Report #5603323-3
Health Professional from UNITED KINGDOM reported FLECAINIDE problem on Jan 15, 2008. Male patient, 63 years of age, was diagnosed with hypertension and was treated with FLECAINIDE. After drug was administered, patient experienced the following problems/side effects: fatigue, hypokalaemia, hyponatraemia, loss of consciousness, muscular weakness, syncope, tachycardia. FLECAINIDE dosage: 100MG - BID - PO. During the same period patient was treated with BENDROFLUMETHIAZIDE, FELODIPINE. Patient was hospitalized. Patient recovered.
Flecainide Side Effects Report #5536247-0
FLECAINIDE problem was reported by a Consumer or non-health professional from on Dec 04, 2007. Male patient, 32 years of age, was diagnosed with atrial fibrillation and was treated with FLECAINIDE. After drug was administered, patient experienced the following problems/side effects: depressed level of consciousness, dyspnoea, heart rate irregular, hypotension, nausea. FLECAINIDE dosage: unknown. During the same period patient was treated with BISOPROLOL FUMARATE. Patient died.

Flecainide Side Effects Report #5542568-8
Pharmacist from UNITED STATES reported FLECAINIDE problem on Dec 05, 2007. Female patient was diagnosed with arrhythmia, infection and was treated with FLECAINIDE. After drug was administered, patient experienced the following problems/side effects: arrhythmia. FLECAINIDE dosage: 50MG TWICE DAILY PO. During the same period patient was treated with AZITHROMYCIN. Patient was hospitalized. Patient recovered.
Flecainide Side Effects Report #5558077-6
FLECAINIDE problem was reported by a Health Professional from FINLAND on Nov 23, 2007. Female patient was diagnosed with atrial fibrillation and was treated with FLECAINIDE. After drug was administered, patient experienced the following problems/side effects: atrioventricular block second degree, blood pressure systolic decreased, depressed level of consciousness, dyspnoea, heart rate irregular, nausea, poisoning. FLECAINIDE dosage: 200 MG, UNK. During the same period patient was treated with BISOPROLOL. Patient died.
Flecainide Side Effects Report #5504281-2
Health Professional from UNITED KINGDOM reported FLECAINIDE problem on Oct 18, 2007. Female patient was diagnosed with tachycardia, hypertension and was treated with FLECAINIDE. After drug was administered, patient experienced the following problems/side effects: arrhythmia, asthenia, cardiotoxicity, electrocardiogram qrs complex prolonged, electrolyte imbalance, fatigue, hypokalaemia, hyponatraemia. FLECAINIDE dosage: 100 MG, BID. During the same period patient was treated with BENDROFLUMETHIAZIDE, FELODIPINE. Patient was hospitalized. Patient recovered.
Flecainide Side Effects Report #5533380-4
FLECAINIDE problem was reported by a Health Professional from FINLAND on Nov 20, 2007. Male patient, 32 years of age, was diagnosed with atrial fibrillation and was treated with FLECAINIDE. After drug was administered, patient experienced the following problems/side effects: atrioventricular block, blood pressure decreased, condition aggravated, depressed level of consciousness, dyspnoea, heart rate irregular, nausea. FLECAINIDE dosage: 20MG - QD - PO. During the same period patient was treated with BISOPROLOL FUMARATE. Patient died.
Flecainide Side Effects Report #5494481-2
Health Professional from UNITED STATES reported FLECAINIDE problem on Oct 23, 2007. Male patient, 40 years of age, weighting 182.0 lb, was diagnosed with atrial fibrillation and was treated with FLECAINIDE. After drug was administered, patient experienced the following problems/side effects: cardiac arrest, memory impairment. FLECAINIDE dosage: 150MG EACH AM PO; 100 MG EACH PM PO. Patient was hospitalized and became disabled. Patient recovered.

Flecainide Side Effects Report #5466966-6
FLECAINIDE problem was reported by a Pharmacist from UNITED STATES on Sept 21, 2007. Male patient, 69 years of age, was diagnosed with cardiac ablation and was treated with FLECAINIDE. After drug was administered, patient experienced the following problems/side effects: dysgeusia. FLECAINIDE dosage: unknown. During the same period patient was treated with VYTORIN, WARFARIN, ASTELIN, ASACOL. Patient recovered.
Flecainide Side Effects Report #5472560-3
Health Professional from UNITED KINGDOM reported FLECAINIDE problem on Sept 13, 2007. Male patient was diagnosed with tachycardia, hypertension and was treated with FLECAINIDE. After drug was administered, patient experienced the following problems/side effects: asthenia, cardiotoxicity, electrocardiogram qrs complex prolonged, fatigue, hypokalaemia, hyponatraemia, syncope. FLECAINIDE dosage: 100 MG, BID, INTRAVENOUS. During the same period patient was treated with FELODIPINE. Patient was hospitalized. Patient recovered.
Flecainide Side Effects Report #5419163-4
FLECAINIDE problem was reported by a Pharmacist from UNITED STATES on Aug 16, 2007. Female patient, 73 years of age, weighting 127.0 lb, was diagnosed with atrial fibrillation and was treated with FLECAINIDE. After drug was administered, patient experienced the following problems/side effects: ventricular extrasystoles. FLECAINIDE dosage: unknown. Patient recovered.
Flecainide Side Effects Report #5429334-9
Consumer or non-health professional from UNITED STATES reported FLECAINIDE problem on Aug 27, 2007. Male patient, 56 years of age, weighting 195.0 lb, was diagnosed with atrial fibrillation and was treated with FLECAINIDE. After drug was administered, patient experienced the following problems/side effects: depression, impaired driving ability, malaise. FLECAINIDE dosage: unknown. Patient recovered.
Flecainide Side Effects Report #5386834-8
FLECAINIDE problem was reported by a Consumer or non-health professional from on July 06, 2007. Male patient, 63 years of age, was diagnosed with cardioversion, prophylaxis, hypertension and was treated with FLECAINIDE. After drug was administered, patient experienced the following problems/side effects: electrocardiogram qrs complex prolonged, fatigue, hypokalaemia, hyponatraemia, muscular weakness, syncope. FLECAINIDE dosage: unknown. During the same period patient was treated with FLECAINIDE ACETATE, BENDROFLUMETHIAZIDE, FELODIPINE. Patient was hospitalized. Patient recovered.

Flecainide Side Effects Report #5386834-8
Consumer or non-health professional from reported FLECAINIDE problem on July 06, 2007. Male patient, 63 years of age, was diagnosed with cardioversion, prophylaxis, hypertension and was treated with FLECAINIDE. After drug was administered, patient experienced the following problems/side effects: electrocardiogram qrs complex prolonged, fatigue, hypokalaemia, hyponatraemia, muscular weakness, syncope. FLECAINIDE dosage: unknown. During the same period patient was treated with FLECAINIDE ACETATE, BENDROFLUMETHIAZIDE, FELODIPINE. Patient was hospitalized. Patient recovered.
Flecainide Side Effects Report #5754932-2
FLECAINIDE problem was reported by a Health Professional from UNITED KINGDOM on May 27, 2008. Female patient was diagnosed with atrial fibrillation and was treated with FLECAINIDE. After drug was administered, patient experienced the following problems/side effects: encephalopathy. FLECAINIDE dosage: 50 MG, BID. During the same period patient was treated with FLECAINIDE RPG, DILTIAZEM, CLOPIDOGREL, GLICLAZIDE, METOPROLOL TARTRATE, RAMIPRIL, ATORVASTATIN CALCIUM, RIFAMPICIN. Patient was hospitalized. Patient recovered.
Flecainide Side Effects Report #5758194-1
Health Professional from UNITED KINGDOM reported FLECAINIDE problem on May 30, 2008. Female patient was diagnosed with atrial fibrillation and was treated with FLECAINIDE. After drug was administered, patient experienced the following problems/side effects: encephalopathy. FLECAINIDE dosage: 50 MG, BID. During the same period patient was treated with FLECAINIDE RPG, DILTIAZEM, CLOPIDOGREL, GLICLAZIDE, METOPROLOL TARTRATE, RAMIPRIL, ATORVASTATIN, RIFAMPICIN. Patient was hospitalized. Patient recovered.
Flecainide Side Effects Report #5728956-5
FLECAINIDE problem was reported by a Pharmacist from UNITED STATES on May 05, 2008. Male patient was treated with FLECAINIDE. After drug was administered, patient experienced the following problems/side effects: arrhythmia, convulsion, incorrect dose administered. FLECAINIDE dosage: unknown. Patient recovered.
Flecainide Side Effects Report #5730404-6
Physician from BELGIUM reported FLECAINIDE problem on Apr 18, 2008. Female patient, 15 years of age, was diagnosed with intentional overdose and was treated with FLECAINIDE. After drug was administered, patient experienced the following problems/side effects: bundle branch block right, electrocardiogram pr prolongation, electrocardiogram qrs complex prolonged, electrocardiogram qt prolonged, hypotension, poisoning deliberate, somnolence, tachycardia. FLECAINIDE dosage: 4000 MG X1 ORAL. During the same period patient was treated with QUINAPRIL. Patient recovered.

Flecainide Side Effects Report #5755392-8
FLECAINIDE problem was reported by a Consumer or non-health professional from UNITED STATES on May 29, 2008. Female patient, 65 years of age, weighting 225.0 lb, was diagnosed with atrial fibrillation and was treated with FLECAINIDE. After drug was administered, patient experienced the following problems/side effects: pancreatitis. FLECAINIDE dosage: unknown. Patient was hospitalized. Patient recovered.
Flecainide Side Effects Report #5700966-3
Consumer or non-health professional from UNITED KINGDOM reported FLECAINIDE problem on Mar 25, 2008. Male patient, 63 years of age, was diagnosed with prophylaxis, tachycardia, hypertension and was treated with FLECAINIDE. After drug was administered, patient experienced the following problems/side effects: arrhythmia, cardiotoxicity, electrocardiogram qrs complex prolonged, electrolyte imbalance, fatigue, hypokalaemia, hyponatraemia, loss of consciousness. FLECAINIDE dosage: unknown. During the same period patient was treated with FLECAINIDE ACETATE, BENDROFLUMETHIAZIDE, FELODIPINE. Patient was hospitalized. Patient recovered.
Flecainide Side Effects Report #5282647-6
FLECAINIDE problem was reported by a Consumer or non-health professional from BELGIUM on Jan 22, 2007. Female patient, 15 years of age, was treated with FLECAINIDE. After drug was administered, patient experienced the following problems/side effects: bundle branch block right, electrocardiogram pr shortened, electrocardiogram qrs complex prolonged, electrocardiogram qt prolonged, hypotension, intentional overdose, somnolence, tachycardia. FLECAINIDE dosage: unknown. During the same period patient was treated with QUINAPRIL. Patient was hospitalized. Patient recovered.
Flecainide Side Effects


