There are many symptoms associated with prescription drug abuse especially if they are taken in combination. Below are the major symptoms to be aware of.

Pain reliever abuse

• Constricted pupils
• Nausea and vomiting
• Respiratory depression
  (inadequate ventilation)

Stimulant abuse

• Anxiety
• Delusions
• Flushed skin
• Chest pain with heart palpitations

Depressant abuse

• Slurred speech
• Dizziness
• Respiratory depression