Secobarbitol
Seconal is a
trademark name for the
barbiturate sodium quinalbarbitone. It was widely used recreationaly in the
1960s and
1970s. Nicknamed "reds", Seconal came in red capsules. Its main medical uses are for seizures, tension relief (as before surgery), and as a temporary sleep aid. It is fairly
addictive, and
withdrawal symptoms can occur when a continual use is abruptly ended.