https://www.selleckchem.com/pr....oducts/PD-0332991.ht
BACKGROUND This study sought to assess the cutaneous (peripheral) analgesic effects of antihistamine chlorpheniramine, compared with the long-lasting local anesthetic bupivacaine. METHODS After chlorpheniramine and bupivacaine were subcutaneously injected under the dorsal skin of the rats, the cutaneous analgesia effect was quantitatively evaluated by scoring the number to which the animal failed to react (cutaneous trunci muscle reflex). The quality and duration of chlorpheniramine and bupivacaine on infiltrative cutaneous analgesia
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