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Pain Control Drugs

Key Terms

A? fibers nerves that transmit sensations of sharp pains
analgesic drug used to reduce or eliminate pain
aura sensory cue such as bright lights, smells, or tastes that precedes a migraine
C fibers nerves that transmit dull, poorly localized pain
cyclooxygenase (COX-1 and COX-2) key enzyme in the prostaglandin metabolic pathway that is blocked by aspirin and other NSAIDs
endogenous opioids chemicals produced naturally within the body that decrease or eliminate pain; they closely resemble the actions of morphine
kappa receptor type of opioid receptor
methadone maintenance treatment of opioid dependence by using methadone
migraine severe headache preceded by auras that may include nausea and vomiting
mu receptor type of opioid receptor
narcotic natural or synthetic drug related to morphine; may be used as a broader legal term referring to hallucinogens, CNS stimulants, marijuana, and other illegal drugs
neuropathic pain caused by injury to nerves and typically described as burning, shooting, or numb pain
nociceptive pain pain produced by injury to a body tissue
nociceptor receptor connected with nerves that receive and transmit pain signals to the spinal cord and brain
opiate substance closely related to morphine extracted from the poppy plant
opioid substance obtained from the unripe seeds of the poppy plant; natural or synthetic morphine-like substance
patient-controlled analgesia (PCA) pain relief system whereby the patient self-administers the appropriate dose
substance P neurotransmitter within the spinal cord involved in the neural transmission of pain
tension headache common type of head pain caused by stress and relieved by nonnarcotic analgesics



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