Generic name: Caffeine / Aspirin
P-A-C is a medicine to treat pain associated with headache, toothache, tooth extraction, sprains, arthritis, rheumatism, muscle aches, menstrual cramps, and also fever and pain due to colds. It may also be used by your physician to treat certain other conditions.
It refers to stimulant and salicylate combination. It blocks chemical substances in the body causing inflammation, pain, and fever. It also lowers the blood clotting tendency.