Acetaminophen

A fever reducing painkiller known for it's liver toxicity when taken in semi-large doses, also known as APAP.

It's found in pretty much any drug that's popular to get high so they add APAP to prevent abuse. Common drugs include Vicodin/Lortab 5-500mg APAP/Hydrocodone and Dextromethorphan hydrobromide cough syrup formulas.

Avoid it if you can.

Bob: Hey man, I got some of this vicodin, wanna do some with me?
Richard: No thanks, it's got acetaminophen in it. I like my liver to be alive.

Acetaminophen by ArctixFawx May 3, 2016

Acetaminophen

Non-narcotic pain-killer and fever reducer. Acetaminophen relieves pain by elevating the pain threshold. It reduces fever through its action on the heat-regulating center of the brain. Specifically, it tells the center to lower the body's temperature when the temperature is elevated.

Approved by the FDA in 1951.

Availiable in liquid suspension, chewable tablets, coated caplets, gelcaps, geltabs, and suppositories. Common dosages are 325, 500 and 650 mg.

When used as directed side effects are rare, but can cause liver damage due to large doses.

Nicole took some acetaminophen to help with her fever.

Acetaminophen by anonymous-4-life November 4, 2006

Acetaminophenotype 

“Acetaminophenotype” is a combination of the painkiller chemical Acetaminophen and observable traits Phenotype in regards to research connecting the drug Tylenol (Acetaminophen) and consumption by pregnant women into increased risks for autism. “Acetaminophenotype” could be used to describe an autistic individual acting inherently obvious or otherwise overt to their disorder.

The acetaminophenotype of 4chan could vary wildly. You could see a picture of the finest anime girl tomboy chest you’ve ever seen and right beside that is a multi-manned heated argument over the ethics of AI art, and the next post over is a completely fictional yet entirely hypothetical design for a naval battleship.

Acetaminophenotype by ya_homeboy_prophet October 4, 2025