However, as long as you do not take many, a noncrhirrotic
liver will manage to metabolze it. Tylenol is very helpful against fever,
ibuprofen is ver helpful against infammation, eg of the ankles. Aspirin and ibuprofen increase the risk of severe bleeding, especially if one has low platelets.
All these substances should be taken with care.
http://www.youtube.com/watch?v=8cKzJOmVhjs
Fore migraine there are much better specialised drugs, the triptanes. Migraine is not simple headache.