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Also known as: Acetaminophen
Formal name: Paracetamol
Related tests: INR (International Normalised Ratio, prothrombin time); Emergency and Overdose Drug Testing; Drugs of Abuse Testing; Liver Panel; AST; ALT

At a Glance

Why Get Tested?

In order to assess risk of liver damage after overdose and to decide on the need for protective antidote treatment. The antidote (N-acetyl cysteine) needs to be given within 15 hours of the overdose to be most effective.

When to Get Tested?

At least 4 hours after a single overdose, or as soon as possible if more than one overdose has been taken within the last 1 or 2 days

Sample Required?

A blood sample taken from a vein usually in an arm

Test Preparation Needed?