Digoxin immune FAB is used as an antidote to treat a life-threatening overdose of digoxin or digitoxin.

Digoxin immune FAB is not for treating a mild digitalis overdose.

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

If possible before you receive digoxin immune FAB, tell your caregivers if you have:

• heart disease;
• kidney disease;
• an allergy to antibiotics; or
• an allergy to papaya extracts (papain, chymopapain) or pineapple.

In an emergency, you may not be able to tell caregivers if you are pregnant or breast feeding. Make sure any doctor caring for your pregnancy or your baby knows you received this medicine.

Use Digoxin Immune FAB (Digifab) exactly as directed on the label, or as prescribed by your doctor. Do not use in larger or smaller amounts or for longer than recommended.

Get emergency medical help if you have signs of an allergic reaction: hives, itching, skin redness; wheezing, cough, difficult breathing; fast heartbeats, feeling light-headed; swelling of your face, lips, tongue, or throat.

Tell your caregivers right away if you have:

• fever, swollen glands, itching, joint pain, or not feeling well;
• a light-headed feeling, like you might pass out;
• heart problems--swelling, rapid weight gain, feeling short of breath; or
• low potassium level--leg cramps, constipation, irregular heartbeats, fluttering in your chest, increased thirst or urination, numbness or tingling, muscle weakness or limp feeling.

Common side effects may include:

• heart problems; or
• low potassium.

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.

Follow your doctor's instructions about any restrictions on food, beverages, or activity.