Old name of uncertain derivation and meaning. The name has been Anglicized as Kerril and Cyril.ld name of uncertain derivation and meaning. The name has been Anglicized as Kerril and Cyril.
Drug Information. Amphetamine (AMP) is a Schedule II controlled substance available by prescription (DexedrineÂ®) and is also available on the illicit market. Amphetamines are a class of potent sympathomimetic agents with therapeutic applications.ore acute responses produce anxiety, paranoia, hallucinations, and psychotic behavior. The effects of Amphetamines generally last 2-4 hours following use and the drug has a half-life of 4-24 hours in the body.
There are many different types of amphetamines. 1  Dextroamphetamine â a medication used in the treatment of ADHD that is also sometimes used to treat narcolepsy. 2  Levoamphetamine â a psychostimulant known to increase wakefulness and focs. 3  Lisdexamfetamine â used in treatment of ADHD.