Addiction is common in people with mental health problems. But although substance abuse and mental health disorders like depression and anxiety are closely linked, one does not directly cause the other.

Alcohol or drugs are often used to self-medicate the symptoms of depression or anxiety. Unfortunately, substance abuse causes side effects and in the long run worsens the very symptoms they initially numbed or relieved.

Alcohol and drug abuse can increase underlying risk for mental disorders. Mental disorders are caused by a complex interplay of genetics, the environment, and other outside factors. If you are at risk for a mental disorder, drug or alcohol abuse may push you over the edge.

Alcohol and drug abuse can make symptoms of a mental health problem worse. Substance abuse may sharply increase symptoms of mental illness or trigger new symptoms. Alcohol and drug abuse also interact with medications such as antidepressants, anti-anxiety pills, and mood stabilizers, making them less effective.

Signs and symptoms of substance abuse

If you’re wondering whether you have a substance abuse problem, the following questions may help. The more “yes” answers, the more likely your drinking or drug use is a problem.

• Have you ever felt you should cut down on your drinking or drug use?
• Have you tried to cut back, but couldn’t?
• Do you ever lie about how much or how often you drink or use drugs?
• Have your friends or family members expressed concern about your alcohol or drug use?
• Do you ever feel bad, guilty, or ashamed about your drinking or drug use?
• On more than one occasion, have you done or said something while drunk or high that you later regretted?
• Have you ever blacked out from drinking or drug use?
• Has your alcohol or drug use caused problems in your relationships?
• Has your alcohol or drug use gotten you into trouble at work or with the law?