BACKGROUND. Development of tolerance to opioid analgesics occurs often in patients with cancer-related pain. Cross-tolerance among opioid analgesics provides the physician with a major management problem. Incomplete cross-tolerance among opioid…
CB(2) cannabinoid receptor-selective agonists are promising candidates for the treatment of pain. CB(2) receptor activation inhibits acute, inflammatory, and neuropathic pain responses but does not cause central nervous system (CNS) effects,…
Pain can be an adaptive sensation, an early warning to protect the body from tissue injury. By the introduction of hypersensitivity to normally innocuous stimuli, pain may also aid in repair after tissue damage. Pain can also be maladaptive,…