When supplied concomitantly with promethazine, the dose of barbiturates really should be lessened by at the least a person-50 %, plus the dose of narcotics need to be lessened by a person-quarter to at least one-50 percent. Dosage has to be individualized. Abnormal quantities of promethazine HCl relative into a https://wockusa.com/product/oxycodone-30mg/