Alprazolam was developed by Jackson Hester Jr. at the Upjohn Company [19] and patented in 1971 and approved for medical use in the United States in 1981. [14][20] Alprazolam is a Schedule IV controlled substance and is a common drug of abuse. [3][21] It is available as a generic medication. [8] Two milligrams of fentanyl is a potentially deadly dose, and fake pills are pressed to resemble Xanax, Adderall and oxycodone. Pressed counterfeits copy real imprints, so a matching imprint is not proof of authenticity. Alprazolam is a benzodiazepine. Benzodiazepines belong to the group of medicines called central nervous system (CNS) depressants, which are medicines that slow down the nervous system. Find patient medical information for Alprazolam (Xanax) on WebMD including its uses, side effects and safety, interactions, pictures, warnings, and user ratings Xanax (Alprazolam) may treat, side effects, dosage, drug interactions, warnings, patient labeling, reviews, and related medications including drug comparison and health resources. Xanax (alprazolam) is a prescription tablet for generalized anxiety disorder and panic disorder. Learn about side effects, dosage, uses, and more. Xanax (alprazolam) is a medication that treats anxiety. It calms down your nervous system. Learn about Xanax (alprazolam) dosages, tapering instructions, and FDA boxed warnings regarding addiction and opioid interactions. View images of Xanax and identify pills by imprint code, shape and color with the Drugs.com Pill Identifier. Xanax (alprazolam) is a benzodiazepine medication used to treat anxiety and panic disorders. Includes side effects, interactions and safety information.