Abstract: The present invention is directed to a composition useful for the treatment of a FAAH mediated disease, disorder or conditions comprising a FAAH inhibitor and a second activation, comprising a selected imidazole or oxazole FAAH inhibitor and a second active agent. The compositions will be useful in the treatment of a wide range of disease, disorder, or conditions including osteoarthritis, rheumatoid arthritis, diabetic neuropathy, postherpetic neuralgia, skeletomuscular pain, and fibromyalgia, as well as acute pain, migraine, sleep disorder, Alzheimer disease, and Parkinson's disease. In another aspect the invention discloses herein is directed to compositions useful in the treatment of neuropathic and nociceptive pain, said compositions comprising etoricoxib.