Generic name: Promethazine / Meperidine
Meprozine is a medicine to treat pain (moderate) and cause drowsiness in post-surgical patients, cancer patients, or after the baby delivery. It may also be used by your physician to treat certain other conditions.
It refers to phenothiazine and narcotic analgesic combination. The narcotic relieves pain by affecting the brain pain center. The phenothiazine is used to cause drowsiness.