Antidepressant
An antidepressant is a medication designed to treat or alleviate the symptoms of clinical depression. Some antidepressants, notably the tricyclics, are commonly used off-label in the treatment of neuropathic pain, whether or not the patient is depressed. Smaller doses are generally used for this purpose, and they often take effect more quickly. Many antidepressants also are used for the treatment of anxiety disorders, and tricyclic antidepressants are used in the treatment of chronic pain disorders such as chronic functional abdominal pain (CFAP), myofascial pain syndrome, and post-herpetic neuralgia.
The main classes of antidepressants have similar efficacy, but the newer types are generally regarded to have a more benign side-effect profile and less risk of lethality if taken in overdose.
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