[steveadoo]

Isn't that Tylenol(the acetaminophen in it)? Ibruprofen screws up your kidneys I think.

[adventured]

Ibuprofen can cause liver damage in higher doses. It appears to happen almost randomly though, which suggests something unusual to the patient prompts the reaction.

https://livertox.nih.gov/Ibuprofen.htm

[JamesBarney]

You're right. Tylenol trashes the liver, Advil hurts the kidneys and intestinal system.