Amphastar Pharmaceuticals wants to help drugs help themselves. A maker of specialty and branded generic drugs in injectable, topical, and inhalant forms. Using its drug delivery systems, the company focuses on drugs that are difficult to manufacture or can be improved with new delivery systems. Amphastar's products include Amphadase (increases absorption and dispersion of injected drugs), Cortrosyn (tests for adrenal gland disorders), and Naloxone (reverses the effects of opioids like painkillers and other narcotics). It also manufactures the branded asthma drug Primatene Mist, which is sold over the counter.