kappa-opioid receptor agonist
A compound that exhibits agonist activity at the kappa-opioid receptor.
mu-opioid receptor agonist
A compound that exhibits agonist activity at the mu-opioid receptor.
antispasmodic drug
A drug that suppresses spasms. These are usually caused by smooth muscle contraction, especially in tubular organs. The effect is to prevent spasms of the stomach, intestine or urinary bladder.
opioid analgesic
A narcotic or opioid substance, synthetic or semisynthetic agent producing profound analgesia, drowsiness, and changes in mood.
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