Substance Abuse and Co-occurring PTSD

Written on 07/09/2020
Dustin Perez


Substance abuse and addiction is commonly connected to co-occurring disorders like PTSD, depression, and anxiety.5

Among people seeking treatment for PTSD are 14 times more likely to also be diagnosed with a substance abuse disorder (SUD).6 Attempting to self-medicate can be a cause to why many people with PTSD also abuse substance.6 The thought is that by abusing substances, a person with PTSD, will null or avoid PTSD symptoms. Those with PTSD with a SUD are more likely so abuse alcohol over drugs, such as cocaine.6

Research has found that service members and veterans that have heavy drinking tendencies are more likely to have PTSD, depression.7 War veterans with a PTSD diagnosis, who also drink alcohol, tend to be diagnosed with binge drinking.8

Signs of Drug Abuse

Someone misusing or abusing drugs can have the following signs and symptoms:9

  • Being argumentative when asked about substance use.
  • Changes in spending habits and issues with finances.
  • Noticeable changes in behavior.
  • Decreased appetite and weight loss.
  • Lack of motivation Looking sick, such as bloodshot eyes and changes in skin tone.
  • and poor work performance.


https://americanaddictioncenters.org/co-occurring-disorders/ptsd-addiction