Vesparax is a combination tablet containing 50 mg brallobarbital, 150 mg secobarbital and 50 mg hydroxyzine. This drug has been withdrawn from the market in most countries. In Argentina, Vesparax is a trade name for quetiapine, an atypical antipsychotic. Because of the long half-life of Vesparax, it has symptoms resembling a hangover on the next d...