Vesparax

Vesparax is a combination tablet containing 50 mg brallobarbital, 150 mg secobarbital and 50 mg hydroxyzine that is used as a sedative. This drug has been withdrawn from the market in most countries.

Hydroxyzine and secobarbital lengthen the half-life of brallobarbital. Because of the long half-life of Vesparax, it has symptoms resembling a hangover on the next day, and it has been replaced by newer medicine.