Because hydrocodone/APAP is available only by prescription, it can be only be purchased in a pharmacy. Hydrocodone is Schedule II narcotic, so it is a controlled substance with a high potential for abuse, according to Drugs.com.
Hydrocodone/APAP 325/7.5 contains 325 milligrams of acetaminophen combined with 7.5 milligrams of hydrocodone, notes Drugs.com. Manufacturers sell it under brand names such as Lortab, Norco, Vicodin and Hycet, among others. Doctors prescribe it for the treatment of various conditions, including generalized and back pain, cough, and rheumatoid arthritis. The drug has the potential to cause severe physical and psychological dependence. Common side effects include lightheadedness and dizziness.