Pills

Pills are temporary healing items in the game, but is usually less scarce than medkits.

Difference with the Medkits
Pills can only heal you temporarily, which means that your regained health will slowly drain down. For the medkits, they heal you completely and your regained health will be permanent.

Cost of pills in Menu and Live stores
Pills in the menu cost $20, but in live stores they cost about 30$.

Other uses
If used while a virus is active, the virus will be removed. However this will not work in the Anti-Virus map.