Alcohol and Illicit Drugs - Amphetamines Australian Institute of Criminology Amphetamines Description Amphetamine is a central nervous system stimulant. Amphetamine is often sold as a powder, but can be made into tablets or capsules. Amphetamines can be injected, snorted, smoked or taken orally.
Amphetamine increases the user's heart rate and speeds up their breathing.
Amphetamine can give users increased energy, alertness and confidence. It can also suppress the user's appetite and make them talkative and excited. Amphetamine's less sought after effects can include heart palpitations, anxiety and irritability. At higher doses, amphetamine can cause irregular heartbeat, headaches, dizziness and panic attacks. Psychological and emotional problems such as depression, paranoia and extreme aggressiveness can also develop.