Signs and Symptoms

Below is a list of potential signs and symptoms that can indicate a Substance Use Disorder (SUD). Please note that this is not a complete list, nor does seeing any of these characteristics or signs necessarily mean that an individual has a SUD. Contact AskPETRA to help you decide what to do if you feel like someone you know is showing signs of any of the following behaviors:

  • Not interested in hobbies or activities that they used to enjoy
  • Changes in mood or attitude
  • Changes in behavior including paranoia, anxiousness, or irritability
  • Avoids eye contact
  • Change in weight or appearance
  • Change in eating or sleeping patterns
  • Spending more money than usual
  • A decline in performance at work or school
  • Change in peer group
  • Secretive behavior
  • A tendency to disappear for hours at a time
  • Fading relationships with family or friends
  • Is not present when in conversation
  • Makes excuses or lies
  • Change in daily routine
  • Change in sexual behavior