Dulane 30 MG Capsule is an antidepressant medicine. It is used to treat depression and other mood disorders such as anxiety. It is also used to treat diabetic neuropathic pain (nerve damage due to high blood sugar levels) and fibromyalgia (widespread pain in the body). It works by increasing the level of chemical substances (serotonin and norepinephrine) in the brain that help maintain mental balance and stop the movement of pain signals in the brain.