Digoxin Toxicity: Recognizing Early Warning Signs & Symptoms

Digoxin is a prescription drug that is sold under the Digitek, Lanoxin and Cardoxin brand names. This drug is used to treat heart rhythm disorders and congestive heart failure. Toxicity can occur with a drug overdose or an allergic reaction.

Gastrointestinal Signs

• According to Drugs.com, an overdose of digoxin can cause vomiting, diarrhea or nausea. Loss of appetite may also develop after a patient consumes a large dose of digoxin.

Vision Effects

• People who overdose on digoxin may experience blurred vision or they may see halos surrounding lights and other objects.

Heart Effects

• Patients may develop heart rhythms that are slow, fast or uneven after consuming a large dose of digoxin.

Other Effects

• Individuals may feel as if they will pass out or they may develop a severe skin rash after an overdose of digoxin.

Allergic Reactions

• An allergic reaction to digoxin may cause difficulties with breathing as well as swelling of the throat, lips or face.