Meperidine 50 mg IM has been ordered for an adult patient . meperidine is available as 75mg/ml. How many millileters should be administered?August 1, 2020/in Health and Mendical /by JosephMeperidine 50 mg IM has been ordered for an adult patient . meperidine is available as 75mg/ml. How many millileters should be administered?.