Pethidine, also known as meperidine and sold under the brand name Demerol among others, is a synthetic opioid pain medication of the phenylpiperidine class.
Formula: C15H21NO2
Metabolism: Liver
Biological half-life: 2.5–4 hours, 7–11 hours (liver disease)
Trade name: Demerol
Dependence liability: High
Bioavailability: 50–60% (Oral), 80–90% (Oral, in cases of hepatic impairment)
Pethidine
Formula: C15H21NO2
Metabolism: Liver
Biological half-life: 2.5–4 hours, 7–11 hours (liver disease)
Trade name: Demerol
Dependence liability: High
Bioavailability: 50–60% (Oral), 80–90% (Oral, in cases of hepatic impairment)
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