The Following Prescription Was Presented to the Pharmacy: "Promethazine HCl

Short Answer

The following prescription was presented to the pharmacy: "Promethazine HCl 25 mg, 1 po Q4-6 hours PRN nausea and vomiting #24 + 0 refills." The pharmacist calls the physician about the patient's vomiting. The following prescription is given to the pharmacist: "Promethazine HCl 25 ml/2 ml ampule, Sig: patient to bring dose to physician's office for IM administration, dispense #1 amp + 0 refills." What is "IM" and explain how it would be administered.