Pregabalin is not recommended for certain other types of neuropathic pain such as pain that of trigeminal neuralgia [REF] and its use in cancer-associated neuropathic pain is controversial [REF].
The World Federation of Biological Psychiatry recommends pregabalin as one of several first line agents for the treatment of generalized anxiety disorder, but recommends other agents such as SSRIs as first line treatment for obsessive-compulsive disorder and post-traumatic stress disorder [REF].