What are barbiturants?

Answer 1

Barbiturates are in the group of medicines known as central nervous system depressants (CNS). Also known as sedative-hypnotic drugs, barbiturates make people very relaxed, calm, and sleepy. These drugs are sometimes used to help patients relax before surgery. Some may also be used to control seizures (convulsions). Although barbiturates have been used to treat nervousness and sleep problems, they have generally been replaced by other medicines for these purposes. These medicines may become habit forming and should not be used to relieve everyday anxiety and tension or to treat sleeplessness over long periods. if you do take it, you may feel dizzy and may suffer for afew days.

Above retrieved from Ben Tennyson

Viper1
any of a group of barbituric acid derivatives, used in medicine as sedatives and hypnotics.

Answer 2

Barbiturates are a class of drugs that act as central nervous system depressants. They are often prescribed for sedative, hypnotic, or anticonvulsant effects. However, they can be addictive and have a high potential for abuse.

Answer 3

Do you mean "barbiturates"? They are downers. See http://en.wikipedia.org/wiki/Barbiturate