Buspirone, sold under the brand name Buspar, is an anxiolytic drug that is primarily used to Jump to: navigation, search . effective in the treatment of GAD to benzodiazepines including diazepam, alprazolam, lorazepam, and clorazepate. Known side effects associated with buspirone include dizziness, headaches. Paroxetine, also known by trade names including Paxil and Seroxat among others, is an antidepressant of the selective serotonin reuptake inhibitor (SSRI) class. Valium is used to treat anxiety disorders, alcohol withdrawal symptoms, or muscle spasms. Learn about side effects, interactions and indications,Missing: bar.