Includes ALPRAZolam indications, dosage/administration, pharmacology, mechanism/onset/duration of action, half-life, dosage forms, interactions, warnings, adverse reactions, off-label uses and more. Alprazolam is used to treat anxiety disorders and panic disorder (sudden, unexpected attacks of extreme fear and worry about these attacks). Alprazolam is in a class of medications called benzodiazepines. Alprazolam is taken orally, and is absorbed well – 80% of alprazolam binds to proteins in the serum (the majority binding to albumin). The concentration of alprazolam peaks after one to two hours. Alprazolam (Xanax, Xanax XR, Niravam) is an anti-anxiety drug that belongs to the benzodiazepine class. Common side effects are fatigue, constipation, changes in weight, and addiction (dependency). Alprazolam is a benzodiazepine used to treat generalized anxiety disorder and panic disorder (with or without agoraphobia) in adults. ALPRAZOLAM (al PRAY zoe lam) treats anxiety. It works by helping your nervous system calm down. It belongs to a group of medications called benzodiazepines. This medicine may be used for other purposes; ask your health care provider or pharmacist if you have questions. COMMON BRAND NAME (S): Xanax. 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. This medicine is available only with your doctor's prescription. This product is available in the following dosage forms: Xanax (alprazolam) is a benzodiazepine medication used to treat anxiety and panic disorders. Includes side effects, interactions and safety information. Overview: Alprazolam is a benzodiazepine medicine used to treat anxiety and panic disorder. It works by calming activity in the brain, which helps ease worry and promote relaxation. People take. Alprazolam is used to treat anxiety and panic disorders. Learn how it works, common side effects, dosing, warnings, and safety tips.