Symptoms & Consequences of Substance Misuse

  1. Symptoms of Drug Use
  2. Consequences of Drug Use

Reactions and experiences may vary dramatically from person to person. Effects can be unpredictable, even with the same person taking the same dose at different times. 

Negative Effects

Negative effects increase when:

  • Used at higher doses
  • Combined with other mood-altering substances
  • User has a history of mood or anxiety disorders

Drug Effects

Effects may include:

  • Change in perception of time
  • Difficulty focusing
  • General change in consciousness
  • Higher blood pressure
  • Increased heart rate
  • Insomnia
  • Intensified mood or unwanted and overwhelming feelings, whether:
    • Angry
    • Depressed
    • Euphoric
    • Fearful
    • Panicky
    • Paranoid
  • Mental and physical stimulation
  • Nausea and vomiting
  • Pupil dilation
  • Unusual body sensations, such as facial flushing, chills, goose bumps or nervous energy
  • Violent behavior
  • Vivid hallucinations