These range from common over the counter appetite suppressants such as phenylpropanolamine, caffeine pills and ephedrine hydrochloride (ephedrine is not an appetite suppressant, though often misused as one - commonly referred to as "white crosses" or "mini thins") to prescription medications like Redux and Phen/Fen. There are a wide variety of diet pills on the market that are available, many of them have addictive qualities, and some even contain small amounts of laxative.