methadone  - Drug Details
📊 Estimates methadone  Dialyzability By Different_Modalities

methadone 

Complete Drug Information

Drug Name
methadone 
Trade Names
Dolophine, Methadose, Methatabs
Pregnancy Category
AU: C
Bioavailability
Rectal: 76% SC: 79% Oral: 41–99% IV/IM: 100%
Routes of Administration
Oral, intravenous, insufflation, sublingual, rectal
Protein Binding
85–90%%
Metabolism
Liver (CYP3A4, CYP2B6 and CYP2D6-mediated)
Elimination
15–55 hours
Excretion
Urine, faeces
Formula
C21H27NO
Molar Mass
309.453
Onset of Action
Rapid
Duration of Action
4–8 h
Drug Class
Opioid
Volume of Distribution
3 L/kg

🤰 Pregnancy Category Information

Category: AU: C

Drugs which, owing to their pharmacological effects, have caused or may be suspected of causing harmful effects on the human fetus or neonate without causing malformations. These effects may be reversible.