About digoxin
Cardiac glycoside
Used for
- Heart failure symptom control
- Atrial fibrillation or flutter to slow heart rate
Usual adult dose
Heart failure: usually 0.125–0.25 mg once daily. Atrial fibrillation: individualized; dose depends on age, kidney function, and response.
Usual dose in children
Used selectively in children; dose is calculated by weight, age, and kidney function, with specialist monitoring.
Common side effects
- Nausea, vomiting, or loss of appetite
- Dizziness, confusion, or fatigue
- Slow or irregular heartbeat
- Visual changes, including blurred or yellow vision
Important warnings
- Too much can cause dangerous heart rhythm problems.
- Kidney impairment, older age, and low potassium increase toxicity risk.
- Blood levels and kidney function may need monitoring.
- Seek urgent care for fainting or a markedly slow or irregular heartbeat.
Pregnancy
May be used when clinically needed; treatment requires clinician oversight.
Breastfeeding
Passes into breast milk in small amounts; generally considered compatible with breastfeeding.
Interactions
- Amiodarone, verapamil, and quinidine can raise digoxin levels.
- Some antibiotics, including clarithromycin, can raise levels.
- Diuretics that lower potassium increase toxicity risk.
- Antacids and some fiber products can reduce absorption.
AI-generated from general medical knowledge, not from this product's official leaflet. It may be incomplete or out of date. Not medical advice — ask a pharmacist or doctor before making any decision.