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Digoxin
Pronounced di-JOX-in
Brand names: Lanoxin
Type: Cardiac glycoside (heart medicine) · All Heart & Blood Pressure Medicines
What Digoxin is used for
- Heart failure
- Controlling heart rate in atrial fibrillation
◆ Kidney note
Cleared by the kidneys — the dose is lowered when kidney function is reduced, and blood levels are checked because toxicity builds up easily.
Common side effects
- Nausea
- Vomiting
- Loss of appetite
- Vision changes such as seeing halos
- Tiredness
Important cautions
- The safe range is narrow — too much causes dangerous heart rhythms, nausea, and vision changes, so blood levels and kidney function are checked
- Low potassium makes toxicity more likely — potassium is monitored, especially with water pills
How it comes
Tablets, liquid, injection (hospital). 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.