Sanjay Persaud

  • Meth is taken orally, smoked, snorted, or dissolved in water or alcohol and injected.
  • Because pleasure from the drug fades quickly, users often take repeated doses.
  • Meth can be prescribed by a doctor to treat ADHD and other disorders.
The neurotransmitter dopamine is affected by meth

  • Meth increases the amount of the neurotransmitter dopamine
  • Dopamine is involved in reward, motivation, the experience of pleasure, and motor function.
  • Since meth causes an increased amount of dopamine, users often feel a euphoric "rush" or "flash".
  • The drug is excitatory since increased amounts of dopamine are released.

DrugFacts: Methamphetamine. (n.d.). Retrieved January 23, 2015, from