Alternatives to flecainide
1 same-class SPL records vs flecainide - uses, FAERS reaction fields, and OTC/Rx flags from public FDA sources.
Brand: Tambocor
About flecainide
Flecainide is a medicine used to prevent irregular heartbeats. It helps your heart beat normally.
Used for: This medicine can prevent fast heart rates in the upper chambers of the heart. This includes supraventricular tachycardia and atrial fibrillation/flutter. Flecainide can also prevent life-threatening fast heartbeats in the lower chambers (ventricles). It is usually started in the hospital for these serious ventricular problems.
1 Class IC Antiarrhythmic peers (wide set)
flecainide vs propafenone · FAERS reaction fields
FAERS top-reaction field "Irregular heartbeat in the upper chambers" shows the widest count spread between flecainide and propafenone in this extract (337-report gap on that field). Counts are exposure-weighted submissions, not prevalence rates.
| Side Effect | flecainide | propafenone |
|---|---|---|
| Irregular heartbeat in the upper chambers | 337 | - |
| Feeling tired | 276 | - |
| Difficulty breathing | 270 | - |
| Feeling lightheaded | 255 | - |
| Feeling sick to your stomach | 244 | - |
| Pain in your head | 210 | - |
| Loose, watery stools | 205 | - |
| Weakness | 199 | - |
"-" means no reports for that reaction. Report counts reflect total FAERS submissions, not prevalence rates.
flecainide peer mix vs class inventory
Peer mix
0 OTC and 1 Rx SPL records in this peer set (1 total). Class inventory for Class IC Antiarrhythmic: 2 drugs.
Frequently Asked Questions
What same-class SPL records sit beside flecainide? ▼
Reading a wide Class IC Antiarrhythmic peer set (1 records)
flecainide (Tambocor) sits in a wide Class IC Antiarrhythmic peer set (1 of 1 class peers shown). Labeled indication field for flecainide: This medicine can prevent fast heart rates in the upper chambers of the heart.
Top FAERS reaction fields for flecainide total 2,345 reports across 10 reactions, set beside propafenone. Counts are exposure-weighted submissions, not per-patient risk.
Registry note: Therapeutic-class peer lists are registry indexes, not prescribing advice. This information is for educational purposes only and is not a substitute for professional medical advice. Do not stop or change your medication without talking to your doctor or pharmacist.
Field note for flecainide: see also the generic vs brand label guide when reading Tambocor SPL strings.
Read our methodology - how this data is sourced, computed, and verified.