Signs and Symptoms of Methamphetamine

Street Names: Meth, Crank, Crystal, Ice, Speed, Go-fast

Method of Use: Swallowed, Smoked, Snorted, Injected

Symptoms/Effects of Use

  • Rush and euphoria
  • Uncontrolled tremors
  • Unpredictable behavior
  • Paranoia, hallucinations (Meth psychosis)
  • Repetitive motor activity
  • Feeling of itchiness
  • Increased alertness/wakefulness
  • Hyperthermia
  • Insomnia
  • Convulsions
  • Decreased appetite/extreme weight loss
  • Death of brain cells and changes in brain structure
  • Severe dental problems, including “Meth mouth”
  • Heart damage (irregular heart beat)
  • Behaviors similar to schizophrenia
  • Tolerance
  • Tweaking (occurs when an abuser has not slept in 3-15 days and is irritable and paranoid)
  • Impaired memory and learning
  • At higher risk for HIV/AIDS and Hepatitis B and C (due to IV use)

What to Look For

  • Acne
  • Sores that won’t heal or take longer to heal (especially around the mouth)
  • Appear years older
  • Malnutrition
  • Tired, droopy eyes
  • Severe dental problems, including “Meth mouth”

Withdrawals Symptoms

  • Depression
  • Abdominal cramps
  • Increased appetite
  • Increased sleep (“crash”)
  • Cravings
  • Anxiety
  • Paranoia
  • Aggression

Note: Each person may experience different symptoms/effects. This list is not inclusive. For more information, visit