An individual with dual diagnoses, also known as co-occurring disorders, has both mental illness and substance abuse disorder simultaneously. Either of these conditions can become apparent first. People with mental illness frequently turn to substances in an effort to self-medicate. Those who experiment with or misuse substances may worsen underlying mental illnesses. Substance use can actually change the brain in ways that increase the risk of developing a mental illness.
When a person has a dual diagnosis, both conditions need to be treated. If only one of these conditions is treated, there’s a good chance the other will get worse. For example, if addiction is treated but mental illness is not, relapse is likely.
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Conditions That May Co-Occur
There are many different types of addiction and mental illness that can co-occur. Forms of mental illness that may occur at the same time as substance use problems include:- Anxiety
- Depression
- Posttraumatic stress disorder
- Bipolar disorder
- Obsessive compulsive disorder
- Personality disorders
- Schizophrenia
- Abuse of illicit or prescription drugs
- Inhalants
- Sex or pornography
- Gambling
- Eating disorders
Signs and Symptoms of Dual Diagnosis
Symptoms of dual diagnosis can vary widely since there are many possible combinations of addiction coupled with mental health problems. It can be challenging for mental health professionals to determine if symptoms of both mental illness and addiction are co-occurring. When a person seeks treatment for substance abuse, they should be screened for co-occurring signs of mental health problems. Substance abuse can mask signs of mental illness and, at the same time, a person under the influence of powerful substances can appear to be mentally ill. For this reason, in most cases, addiction needs to be addressed first so that mental health professionals can make a determination regarding whether dual diagnosis exists. Symptoms that may indicate addiction or dual diagnosis include:- Mood swings
- Unexpected changes in behavior or personality
- Engaging in risky behaviors
- Withdrawing from family and friends
- Avoiding social activities
- Confusion
- Difficulty concentrating
- Thoughts of suicide