- Physical Examination
- Surgical Examination
- Ophthalmology
- Clinical Skills
- Orthopedics
- Surgery Videos
- Laparoscopy
- Pediatrics
- Funny Videos
- Cardiothoracic Surgery
- Nursing Videos
- Plastic Surgery
- Otorhinolaryngology
- Histology and Histopathology
- Neurosurgery
- Dermatology
- Pediatric Surgery
- Urology
- Dentistry
- Oncology and Cancers
- Anatomy Videos
- Health and Fitness
- Radiology
- Anaesthesia
- Physical Therapy
- Pharmacology
- Interventional Radiology
- Cardiology
- Endocrinology
- Gynecology
- Emergency Medicine
- Psychiatry and Psychology
- Childbirth Videos
- General Medical Videos
- Nephrology
- Physiology
- Diet and Food Health
- Diabetes Mellitus
- Neurology
- Women Health
- Osteoporosis
- Gastroenterology
- Pulmonology
- Hematology
- Rheumatology
- Toxicology
- Nuclear Medicine
- Infectious Diseases
- Vascular Disease
- Reproductive Health
- Burns and Wound Healing
- Kidney Zone Podcast
- Other
Flecainide
Pronounced FLEK-ah-nide
Brand names: Tambocor
Type: Antiarrhythmic (heart rhythm medicine) · All Heart & Blood Pressure Medicines
What Flecainide is used for
- Atrial fibrillation
- Other fast heart rhythms in people without structural heart disease
◆ Kidney note
Partly cleared by the kidneys — the dose is lowered and levels may be checked when kidney function is reduced.
Common side effects
- Dizziness
- Vision changes
- Headache
- Shortness of breath
Important cautions
- Can worsen heart rhythms in people with structural heart disease, heart failure, or a past heart attack — it is not used in those situations
How it comes
Tablets. This guide lists forms only — it never lists strengths or doses.
Related medicines — Heart & Blood Pressure Medicines
Please note: This page is a patient-education summary, not medical advice, and it deliberately contains no doses. Medicines affect everyone differently — always follow your own prescription and talk to your doctor or pharmacist before starting, stopping or changing any medicine.