Many people pop OTC drugs like candy. Ibuprofen is often over-used by people with chronic back pain or other inflammatory issues. They aren't addicts -- just people trying to get through the day.

The problem is, it is a rough drug on your kidneys and has potential cardiac side effects.

Someone who has some sort of pain but overdoses frequently would count I guess? At some point you should discuss your pain with a Doctor, instead of increasing the dose yourself.

I also meant abuse as a slightly nicer phrasing of "tries to deliberately overdose".