Methadone

Methadone is an prescription drug, successfuly used for example during heroin addiction treatment as a substitute drug. It's chemical analog of heroin providing weaker effects of use. If you compare molecular structure you can see that methadone molecule is much different than morphine or other opioids. However, mod of action and effecs are similar – thus methadone is included into opioid drugs list.

formula molecule

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Trade

Trade & street names	methadone
Products	Among commercial products methadone occurs in hydrochloride form as an ingredient of some medicaments, e.g.: Diskets, Dolopihne, Metadol (Canada), Methadose

Medical info

Class	narcotic
Medical use	chronic pain relieving, opiate and opioids addiction treatment
Routes	for medical use: oral (syrup), injected, snorted, smoked
Effects of use	euphoria, drowsiness, respiratory, depression, constricted pupils, nausea, high risk of life-threatening interactions with other drugs
Effects of overdose	slow and shallow breathing, clammy skin, convulsions, hypoventilation, constipation, nausea, coma, possible death
Withdrawal effects	watery eyes, chills, tremor, runny nose, yawning, loss of appetite, irritability, tremors, panic, cramps, nausea, chills and sweating, sneezing, fever
Onset	?
Duration of action	?