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Digitek Patient Information Including Side Effects

Brand Names: Digitek, Lanoxicaps, Lanoxin

Generic Name: digoxin (oral) (Pronunciation: di JOX in)

What is digoxin (Digitek)?

Digoxin is derived from the leaves of a digitalis plant. Digoxin helps make the heart beat stronger and with a more regular rhythm.

Digoxin is used to treat heart failure.

Digoxin is also used to treat atrial fibrillation, a heart rhythm disorder of the atria (the upper chambers of the heart that allow blood to flow into the heart).

Digoxin may also be used for purposes not listed in this medication guide.

Digitek 0.125 mg

round, yellow, imprinted with B 145

Digitek 0.25 mg-MYL

round, white, imprinted with B 146

Digoxin 0.125 mg-LAN

round, yellow, imprinted with JSP 544

Digoxin 0.25 mg-LAN

round, white, imprinted with JSP 545

Digoxin 50 mcg Elix-ROX

Lanoxicaps 0.1 mg

clear/yellow, imprinted with B2C

Lanoxin 0.125 mg

round, yellow, imprinted with LANOXIN Y3B

Lanoxin 0.25 mg

round, white, imprinted with LANOXIN X3A

What are the possible side effects of digoxin (Digitek)?

Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.

Call your doctor at once if you have a serious side effect such as:

  • fast, slow, or uneven heart rate;
  • bloody or black, tarry stools;
  • blurred vision, yellowed vision; or
  • confusion, hallucinations, unusual thoughts or behavior.

Less serious side effects may include:

  • nausea, vomiting, diarrhea, loss of appetite;
  • feeling weak or dizzy;
  • headache, anxiety, depression;
  • enlarged breasts in men; or
  • mild skin rash.

This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

Read the Digitek (digoxin tablets) Side Effects Center for a complete guide to possible side effects

What is the most important information I should know about digoxin (Digitek)?

You should not use this medication if you are allergic to digoxin, or if you have ventricular fibrillation (a heart rhythm disorder of the ventricles, or lower chambers of the heart that allow blood to flow out of the heart).

Before using digoxin, tell your doctor if you have certain heart conditions, especially "AV block" (unless you have a pacemaker), or a recent history of heart attack. Also tell your doctor if you have kidney disease, a thyroid disorder, an electrolyte imbalance (such as low levels of calcium, potassium, or magnesium in your blood), or if you are malnourished or have recently been sick with vomiting or diarrhea.

Keep taking digoxin as directed, even if you feel well. Get your prescription refilled before you run out of medicine completely.

Do not stop taking digoxin without first talking to your doctor. Stopping suddenly may make your condition worse.

Avoid becoming overheated or dehydrated during exercise, in hot weather, or by not drinking enough fluids. Digoxin overdose can occur more easily if you are dehydrated.

There are many other drugs that can interact with digoxin. Tell your doctor about all medications you use. This includes prescription, over-the-counter, vitamin, and herbal products. Do not start a new medication without telling your doctor. Keep a list of all your medicines and show it to any healthcare provider who treats you.

Side Effects Centers

Report Problems to the Food and Drug Administration


You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.

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