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What is a DIGOXIN, SERUM?

Digoxin, Serum is a blood test that measures the level of digoxin, a medication used to treat certain heart conditions, including heart failure and some abnormal heart rhythms. The test is needed to monitor whether the drug concentration is within the appropriate therapeutic range, as digoxin has a narrow safety margin. It may also help investigate symptoms of toxicity or assess dosing when kidney function changes.

Additional Information

Also known as/ Other names: Serum Digoxin Test, Digoxin Blood Test, Digoxin Level, Digoxin Therapeutic Drug Monitoring
Parameters: 1
Recommended for: M/F/Others
Sample Type: Blood
Patient Preparation: Recommended specimen: Trough: just before the next dose is due at steady state. Peak : 6–8 hours after dose.
Reports: Next Day

FAQs

Why does digoxin need to be monitored?

Digoxin has a narrow therapeutic range, meaning the difference between an effective and potentially harmful concentration can be relatively small.

What does a high digoxin level mean?

A high level may indicate an increased risk of digoxin toxicity, although results must be interpreted along with symptoms, timing of the sample, and clinical condition.

What are the symptoms of digoxin toxicity?

Symptoms may include nausea, vomiting, loss of appetite, dizziness, weakness, confusion, visual disturbances, or abnormal heart rhythms.

Can a normal digoxin level still cause toxicity?

Yes. Toxicity can occasionally occur even when the measured concentration is within the usual therapeutic range, particularly in people with certain medical conditions or electrolyte abnormalities.

Can kidney function affect digoxin levels?

Yes. Digoxin is primarily eliminated through the kidneys, so reduced kidney function can cause the drug to accumulate and increase the risk of toxicity.

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