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Why is this medication prescribed?
Digoxin is used to treat heart failure and abnormal heart rhythms (arrhythmias). It helps the heart work better and it helps control your heart rate.
This medication is sometimes prescribed for other uses; ask your doctor or pharmacist for more information.
How should this medicine be used?
Digoxin comes as a tablet, capsule, or pediatric elixir (liquid) to take by mouth. Digoxin is usually taken once a day. The pediatric elixir comes with a specially marked dropper for measuring the dose. If you have difficulty, ask your pharmacist to show you how to use it. It is important that you always take the same brand of digoxin. Different brands of digoxin have different amounts of active drug and your dose would need to be changed.
Follow the directions on your prescription label carefully, and ask your doctor or pharmacist to explain any part you do not understand. Take digoxin exactly as directed. Do not take more or less of it or take it more often than prescribed by your doctor.
Digoxin helps control your condition but will not cure it. Continue to take digoxin even if you feel well. Do not stop taking digoxin without talking to your doctor.
Other uses for this medicine
Digoxin also is used to treat heart pain (angina) and may be used after a heart attack. Talk to your doctor about the possible risks of using this drug for your condition.
What special precautions should I follow?
Before taking digoxin,
- tell your doctor and pharmacist if you are allergic to digoxin, digitoxin, or any other drugs.
- tell your doctor and pharmacist what prescription and nonprescription medications you are taking, especially antacids, antibiotics, calcium, corticosteroids, diuretics ('water pills'), other medications for heart disease, thyroid medications, and vitamins.
- tell your doctor if you have or have ever had thyroid problems, heart arrhythmias, cancer, or kidney disease.
- tell your doctor if you are pregnant, plan to become pregnant, or are breast-feeding. If you become pregnant while taking digoxin, call your doctor.
- if you are having surgery, including dental surgery, tell the doctor or dentist that you are taking digoxin.
- you should know that this drug may make you drowsy. Do not drive a car or operate machinery until you know how this drug affects you.
- remember that alcohol can add to the drowsiness caused by this drug.
What special dietary instructions should I follow?
Your doctor may recommend a low-sodium (low-salt) diet and a potassium supplement. Ask your pharmacist or doctor for a list of foods that are low in sodium and high in potassium. Follow all diet directions carefully.
What should I do if I forget a dose?
Take the missed dose as soon as you remember it. However, if it is almost time for the next dose, skip the missed dose and continue your regular dosing schedule. Do not take a double dose to make up for a missed one.
What side effects can this medication cause?
Although side effects from digoxin are not common, they can occur. Tell your doctor if any of these symptoms are severe or do not go away:
- dizziness or lightheadedness
- drowsiness
- vision changes (blurred or yellow)
- rash
- irregular heartbeat
If you experience any of the following symptoms, call your doctor immediately:
- upset stomach
- vomiting
- diarrhea
- loss of appetite
- swelling of the feet or hands
- unusual weight gain
- difficulty breathing
What storage conditions are needed for this medicine?
Keep this medication in the container it came in, tightly closed, and out of reach of children. Store it at room temperature and away from excess heat and moisture (not in the bathroom). Throw away any medication that is outdated or no longer needed. Talk to your pharmacist about the proper disposal of your medication.
In case of emergency/overdose
In case of overdose, call your local poison controlcenter at 1-800-222-1222. If the victim has collapsedor is not breathing, call local emergency services at911.
What other information should I know?
Keep all appointments with your doctor and the laboratory. Your doctor will need to determine your response to digoxin. You may have electrocardiograms (EKGs) and blood tests periodically, and your dose may need to be adjusted. Your doctor may ask you to check your pulse (heart rate). Ask your pharmacist or doctor to teach you how to take your pulse. If your pulse is faster or slower than it should be, call your doctor.
Do not let anyone else take your medication. Ask your pharmacist any questions you have about refilling your prescription.
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