Immediate effects
  • Intense pleasure and a strong feeling of wellbeing
  • Confusion
  • Drowsiness
  • Slurred and slow speech
  • Reduced coordination
  • Nausea and vomiting
  • Pain relief
  • Slowed breathing
  • Decreased blood pressure and heart rate
  • Constricted pupils
  • Dry mouth
  • Suppressed cough reflex
  • Reduced sexual urges
  • Drowsiness
  • Slurred and slow speech
  • Reduced coordination
  • Nausea and vomiting