is a combination of advil and percogesic

advil is ibuprofen

percogesic is aceaminophen and phenyltoloxamine (phenyltoloxamine is an antihistamine which has tranquilising and muscle relaxant effects)

the ibuprofen and the acetaminophen deal with the headache part of the equasion, while the phenyltoloxamine deals with the tension, both mental and muscular - which gives equals more complete relief.

if you suffer from tension headaches that arnt totaly releived with ibuprofen alone, give it a try, you wout regret it