Secobarbital/brallobarbital/hydroxyzine

Secobarbital/brallobarbital/hydroxyzine was a combination tablet containing 50 mg brallobarbital, 150 mg secobarbital and 50 mg hydroxyzine^[1] that was used as a sedative. It was sold under the brand name Vesparax. This drug has been withdrawn from the market in most countries.

Secobarbital/brallobarbital/hydroxyzine

Combination of
Brallobarbital	Barbiturate
Secobarbital	Barbiturate
Hydroxyzine	Antihistamine
Clinical data
Trade names	Vesparax
Identifiers
CAS Number	61112-40-1

Hydroxyzine and secobarbital lengthen the half-life of brallobarbital. Because of this long half-life, it has symptoms resembling a hangover on the next day.^[2][3]

Jimi Hendrix was under the influence of Vesparax when he died of asphyxia due to aspiration of vomit on 18 September 1970.^[4]