Did you know that high doses of paracetamol can be toxic to your liver? Paracetamol, also known as acetaminophen, is a commonly used painkiller that can have harmful effects on the body File:Acetaminophen metabolism.jpg Wikimedia Commons Two chromatographic methods for analyzing paracetamol in spiked human plasma with its toxic metabolite, N acetyl parabenzoquinone imine and its antidote, N acetyl l cysteine Scientific Reports Problem 2: N acetyl para benzoquinone (NAPQI) is an oxidized