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(Generic versions may still be available.)
Meperidine hydrochloride is a narcotic analgesic with multiple actions qualitatively similar to those of morphine. Phenergan®, promethazine HCl, is a phenothiazine derivative that has several different pharmacologic properties including antihistaminic, sedative, and antiemetic actions.
Last reviewed on RxList: 12/8/2004
This monograph has been modified to include the generic and brand name in many instances.
Additional Mepergan Information
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