Ethoheptazine is an opioid

Opioid

An opioid is a psychoactive chemical that works by binding to opioid receptors, which are found principally in the central and peripheral nervous system and the gastrointestinal tract...

 analgesic

Analgesic

An analgesic is any member of the group of drugs used to relieve pain . The word analgesic derives from Greek an- and algos ....

 from the phenazepine family. It was invented in the 1950s and is related to other drugs such as proheptazine

Proheptazine

Proheptazine is an opioid analgesic from the phenazepine family. It was invented in the 1960s.Proheptazine produces similar effects to other opioids, including analgesia, sedation, dizziness and nausea....

.

Ethoheptazine produces similar effects to other opioids, including analgesia, sedation

Sedation

Sedation is the reduction of irritability or agitation by administration of sedative drugs, generally to facilitate a medical procedure or diagnostic procedure...

, dizziness

Dizziness

Dizziness refers to an impairment in spatial perception and stability. The term is somewhat imprecise. It can be used to mean vertigo, presyncope, disequilibrium, or a non-specific feeling such as giddiness or foolishness....

 and nausea

Nausea

Nausea , is a sensation of unease and discomfort in the upper stomach with an involuntary urge to vomit. It often, but not always, precedes vomiting...

. It was sold by itself as Zactane, and is still available as a combination product with acetylsalicylic acid and meprobamate

Meprobamate

Meprobamate is a carbamate derivative which is used as an anxiolytic drug...

as Equagesic, which is used for the treatment of conditions where both pain and anxiety are present.