Kava is most frequently used to ease stress, insomnia and anxiety (as a treatment for panic disorder, social phobia, PTSD, Obsessive Compulsive Disorder etc) but has many other benefits. Kava can also be a great-antidepressant, helps with muscle tension and muscular pain, neuropathic pain such as sciatica and even as an anti-craving substance that has helped many people come off benzodiazepines, alcohol and other drugs.