Therapeutic levels of digoxin are 0.8-2.0 ng/mL. The toxic level is >2.4 ng/mL.
How much digoxin is too much?
Digoxin levels of less than 0.5 ng/mL have been associated with reduced efficacy, while levels above 2 ng/mL have been associated with toxicity without increased benefit. However, digoxin levels should always be interpreted taking into account what effects the drug is having and any symptoms of toxicity.
How do you know if you have digoxin toxicity?
What are the symptoms of digoxin toxicity?
- Lack of appetite, nausea, vomiting, or diarrhea.
- Headache, confusion, anxiety, or hallucinations.
- Restlessness, weakness, or depression.
- Changes in vision such as blurred vision or seeing halos around bright objects.
