Jul 25, - Ativan (Lorazepam) is a benzodiazepine sometimes used in the short-term treatment of social anxiety disorder. Mar 10, - Learn about Ativan (Lorazepam) may treat, uses, dosage, side effects, drug interactions, warnings, patient labeling, reviews, and related. May 7, - Both alprazolam (Xanax) and lorazepam (Ativan) Alprazolam (Xanax) is used for the treatment of anxiety disorder; short-term relief of.