5 mg of promethazine per pound of body weight
Depresses hypothalamic thermoregulatory mechanism; exposure to extreme temperatures may cause hypo- or hyperthermia
12
5 mL orally every 4 to 6 hours Maximum dose: 30 mL in 24 hours (promethazine 37
Last updated on Aug 14, 2023
Children <2yrs: not recommended
The usual recommended adult dosage is 50 mg promethazine with an adequately reduced dose of narcotic/barbiturate and the appropriate dose of a belladonna alkaloid
1 mg/kg once in combination with an analgesic or hypnotic (at reduced