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What does it do?

Digoxin is used to slow your heart rate and improve how your heart works.

How should you take it?

Take digoxin regularly as directed. Take with food and a glass of water.
Measure the liquid carefully with an oral syringe or measuring spoon.

What if you forget a dose?

Take the missed dose as soon as possible. If it is close to the time for your next dose, skip the missed dose and carry on as normal. Do not take two doses at the same time.

Can you take other medicines?

Some medicines available without a prescription may react with digoxin including:

  • antacids (e.g. Mylanta®)

Tell your pharmacist or doctor about all medicines or treatments that you may be taking, including vitamins, herbal products (e.g. St John's wort) or recreational drugs.

What side effects might you notice?

Side EffectsRecommended action

Irregular heartbeat, chest pain, fainting

Unusual behaviour or thinking, confusion, anxiety

Tell your doctor immediately

Changes in vision

Nausea, vomiting, diarrhoea, change of appetite, abdominal pain

Headache, dizziness, tiredness or weakness

Trouble sleeping

Enlarged breasts (in males)

Tell your doctor if troublesome

If you notice any other effects, discuss them with your doctor or pharmacist.

Other information:

  • Tell your doctor if you have thyroid, kidney, digestion or other heart problems.
  • Tell your doctor if you are pregnant, planning to become pregnant, or breastfeeding.
  • Do not take indigestion remedies, iron or calcium preparations within 2 hours of taking digoxin.
  • You may need blood tests to make sure you are taking the correct dose of digoxin, especially if you start or stop other medicines or have changes in your health.

This leaflet contains important, but not all, information about this medicine.

Prepared by the PILs Committee at Christchurch Hospital, Canterbury District Health Board, New Zealand. December 2017

For more general information about this sheet and its contents, see: What does a My Medicines sheet cover?

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About My Medicines

My Medicines Patient Information Leaflets (PILs) contain important, but not all, information about the medicines they describe.

For more information about the sheets, see: What does a My Medicines sheet cover?

My Medicines is developed by a team at the Canterbury District Health Board. Our team is made up of doctors, pharmacists, and a non-medical person to help us keep to plain language. We also discuss our information with specialist health professionals or groups when needed