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Firdapse Side Effects Center
Medically reviewed by Min Clinic Staff | Updated: January 2026
- Generic Name: amifampridine tablets
- Brand Name: Firdapse
Firdapse (Amifampridine Tablets) side effects drug center
Firdapse Side Effects Center
What Is Firdapse?
Firdapse (amifampridine) is a potassium channel blocker indicated for the treatment of Lambert-Eaton myasthenic syndrome (LEMS) in adults.
What Are Side Effects of Firdapse?
Common side effects of Firdapse include:
- numbness and tingling,
- upper respiratory tract infection,
- abdominal pain,
- nausea,
- diarrhea,
- headache,
- elevated liver enzymes,