The most common method of administration of morphine in clinical settings is injection for preoperative sedation, as a supplement to anesthesia, and for analgesia.
Morphine withdrawal symptoms peak in about 48 to 96 hours after the last dose of the drug, and to subside after about 8 to 10 days.
PCP may contain contaminants and be impure, causing the color to range from tan to brown, and the consistency to range from powder to a gummy mass.
The methadone that is prescribed at clinics to help people that are trying to come off of heroin is usually in liquid form but is also available in tablets or in an injectable form.