Dioxaphetyl butyrate ( INN; trade names Amidalgon, Spasmoxal) is an opioid

analgesic An analgesic drug, also called simply an analgesic (American English), analgaesic (British English), pain reliever, or painkiller, is any member of the group of drugs used to achieve relief from pain (that is, analgesia or pain management). It ...

which is a diphenylacetic acid derivative, related to other open-chain opioid drugs such as dextropropoxyphene,

levacetylmethadol Levacetylmethadol ( INN), levomethadyl acetate ( USAN), OrLAAM (trade name) or levo-α-acetylmethadol (LAAM) is a synthetic opioid similar in structure to methadone. It has a long duration of action due to its active metabolites. Medical use ...

(LAAM), lefetamine and

dimenoxadol Dimenoxadol (International Nonproprietary Name, INN) (brand name Estocin (in Russia)), or dimenoxadole (British Approved Name, BAN), is an opioid analgesic which is a benzilic acid derivative, closely related to benactyzine (an anticholinergic). ...

. It produces similar effects to other opioids, including dependence,

euphoria Euphoria ( ) is the experience (or affect) of pleasure or excitement and intense feelings of well-being and happiness. Certain natural rewards and social activities, such as aerobic exercise, laughter, listening to or making music and da ...

, analgesia,

sedation Sedation is the reduction of irritability or agitation by administration of sedative drugs, generally to facilitate a medical procedure or diagnostic procedure. Examples of drugs which can be used for sedation include isoflurane, diethyl ether, ...

, constipation, dizziness and nausea. In the United States it is a Schedule I Narcotic controlled substance with an ACSCN of 9621 and a 2013 annual aggregate manufacturing quota of zero.

References

Butyrate esters Synthetic opioids 4-Morpholinyl compunds Ethyl esters Mu-opioid receptor agonists {{analgesic-stub