Lanoxin Overdose

Blurred vision, slow heart rate, vomiting, and confusion are some of the symptoms of a Lanoxin (digoxin) overdose. This medication can cause extremely dangerous complications when too much is taken, including cardiac arrest and death, so seek immediate medical attention if you think you may have taken an overdose.

Can You Take Too Much Lanoxin?

Lanoxin® (digoxin) is a prescription medication approved to treat atrial fibrillation (an abnormal heart rhythm) and heart failure in children and adults. As with any medication, it is possible to take too much Lanoxin.
 
An overdose with Lanoxin can be extremely dangerous, possibly even leading to death. The specific effects would likely vary, depending on a number of factors, including the Lanoxin dosage and whether it was taken with any other medications or substances.
 

Effects of an Overdose

Effects of a Lanoxin overdose may include:
 
  • Headache
  • Nausea and vomiting (less often in infants and children)
  • Decreased appetite
  • Dizziness
  • Drowsiness
  • Fatigue
  • Abdominal pain (stomach pain)
  • General feelings of discomfort
  • Blurred or yellow vision (objects appear yellow in color)
  • Confusion
  • Depression
  • Disorientation
  • Restlessness
  • Weakness
  • Slow heart rate
  • Heart arrhythmias
  • Cardiac arrest (when the heart stops beating)
  • Death.
     
An overdose of Lanoxin can lead to digoxin toxicity. Digoxin is the active ingredient in Lanoxin, and toxicity is the term used to describe a dangerously high level in the body. This can result from a sudden ingestion of too much Lanoxin, or can occur if Lanoxin slowly builds up in the body over time (see Digoxin Toxicity).
 
Symptoms of toxicity are usually more common, and more severe, when digoxin blood levels are greater than 2 ng per mL. However, some people may experience symptoms with lower blood levels.
 
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