At a Glance
Why Get Tested?
To determine if an overdose has occurred; to determine risk of liver damage and to help determine if treatment with an antidote is required
When to Get Tested?
When it is suspected that a person has ingested an overdose of acetaminophen or has signs and symptoms of toxicity, such as nausea, vomiting, and abdominal pain; when following a patient, every 4 to 6 hours after an overdose of the drug is ingested
A blood sample drawn from a vein in the arm
Test Preparation Needed?