Anxiety Treatment Medications People with anxiety disorders often improve by undergoing psychotherapy and taking medication. Benzodiazepines, such as Xanax, Klonopin, and Valium are used to treat anxiety. Antidepressants also help treat anxiety. SSRIs like citalopram (Celexa) and fluoxetine (Prozac) are effective in preventing brain nerve cells from reabsorbing serotonin, which