Amphetamines are stimulant drugs, which means they speed up the messages travelling between the brain and the body. Some types of amphetamines are legally prescribed by doctors to treat conditions such as attention deficit hyperactivity disorder (ADHD) and narcolepsy. Amphetamines have also been used to treat Parkinson’s disease.

Other types of amphetamines such as speed are produced and sold illegally.

Amphetamine Overdose

Dangerous Signs

If you take a large amount or have a strong batch, you could overdose. If you have any of the following symptoms, call an ambulance straight away by dialing 999 or 112:

  • Racing heartbeat
  • Fits
  • Passing out or breathing difficulties
  • Chills or fever
  • No urine output
  • Arching of the back/convulsions
  • Stroke, heart attack and death

Amphetamine Psychosis

High doses and frequent heavy use can also create an "amphetamine psychosis", characterised by paranoid delusions, hallucinations and out of character aggressive or violent behaviour. These symptoms usually disappear a few days after the person stops using amphetamines.

Coming Down

In the 2 to 4 days after amphetamine use you may be experience:

  • Restless sleep and exhaustion
  • Headaches
  • Paranoia, hallucinations and confusion
  • Twitching and muscle aches
  • Fluctuating temperatures
  • Irritability, mood swings and depression
Using a depressant drug such as alcohol, benzodiazepines or cannabis to help with the come down effects may result in a cycle of dependence on both types of drugs.

Side Effects of

There is no safe level of drug use. Use of any drug always carries risk.

The effects of taking Amphetaminesol with other drugs including over-the-counter or prescribed medications can be unpredictable and dangerous.