Schizophrenia And Addiction
The Guide To Unraveling Comorbidity And Finding The Path To Recovery
Schizophrenia is most notably characterized by odd and bizarre behaviors, and it’s these behaviors that often lead to the initial diagnosis. Most experts don’t believe that drug or alcohol abuse causes schizophrenia; it is widely recognized, though, that people with schizophrenia are more likely to abuse alcohol and/or drugs. Substance abuse can make treatments for schizophrenia less effective, however, which can lead to further complications.
We’ve created this guide to explore the relationship between schizophrenia and addiction, the impacts of comorbidity, and solutions for overcoming addiction and mental illness to begin the path down the road of recovery.
What Is Schizophrenia?
This section will examine the disorder, common signs and symptoms, statistics, and the physical, mental, and social, effects of the disease.
The Prevalence Of Substance Abuse
Complications Of Comorbidity
Solutions & Treatment Options
What Is Schizophrenia?
Positive symptoms include those which are present in people with schizophrenia but not present in people who do not have schizophrenia such as:
⋅ Thought disorders
Negative symptoms, on the other hand, are characteristics normally present in people without schizophrenia but that those diagnosed with the disease do not exhibit such as:
⋅ Avolition (“a lack of desire or motivation to accomplish goals”)
⋅ A lack of interest or desire in forming social relationships
⋅ Blunted affect and/or emotion
The hallmarks of schizophrenia include delusions, hallucinations, disorganized speech, and disorganized behavior. People suffering from schizophrenia may feel paranoid or experience severe anxiety, or they may find it difficult to find the words they’re looking for to communicate, resulting in disorganized speech.
While there’s a stigma surrounding schizophrenia, the disease is often manageable with a commitment to long-term (often lifetime) treatment. However, when schizophrenia is undiagnosed or not well managed, the symptoms of the disease may become uncontrollable and create severe disruption not only in the life of the person suffering from the disease, but their family and friends who are plagued with worry and confusion, sometimes not understanding what is happening to the person they know and love.
Early warning signs of schizophrenia may include:
- Intentional social isolation or withdrawal
- Suspiciousness of or hostility towards others
- An inability to express emotions – such as an inability to cry
- Showing emotions inappropriate to the context – such as crying or laughing in unusual circumstances
- Forgetfulness and lack of concentration
- Using strange words or speaking in an usual manner
- Odd or irrational statements
Schizophrenia And The Prevalence of Substance Abuse
Researchers have long recognized a high prevalence of comorbid (simultaneously occurring) substance abuse among people with schizophrenia, but the cause for this correlation hasn’t been definitively established. That said, most research – and the majority of experts in the field – seem to agree with one hypothesis: that people with schizophrenia turn to substances in an attempt to self-medicate and achieve symptomatic relief.
According to a report from the University of Montreal appearing on Europe PMC, “Formulated in a clinical context, in reaction to the psychoanalytic interpretation of addiction as a pleasure seeking pathology, Khantzian’s hypothesis holds that schizophrenic patients use psychoactive substances to relieve their symptoms.”
The Social-environmental Hypothesis
Shared Biological Vulnerability
Medscape reports that nearly half of people who suffer from schizophrenia “also present with a lifetime history of substance abuse disorders (SUD),” a significantly higher rate than the incidence of substance abuse disorders in the general population.
The most commonly abused substances among people with schizophrenia include (percentage rates represent substance abuse meeting DSM-IV criteria for substance abuse disorder obtained from various studies as reported by Medscape):
Addressing comorbid substance abuse among patients with schizophrenia is critical as substance abuse disorder is associated with poor clinical outcomes for people with schizophrenia.
- Nicotine 28.5%
- Cannabis 50.8%
- Alcohol 65%
- Cocaine 23%
It’s estimated that approximately 1% of the world’s population is diagnosed with schizophrenia, while the prevalence in the United States is slightly higher with an estimated 1.2% of the population diagnosed with the illness. That’s about 3.2 million Americans as of 2009, with an expected 100,000 people diagnosed annually – or 7.2 in every 1,000 people.
The Centers for Disease Control (CDC) offers slightly different statistical estimates, noting, “Worldwide prevalence estimates range between 0.5% and 1%. Age of first episode is typically younger among men (about 21 years of age) than women (27 years).
Complications Of Comorbidity
Alcohol Use Disorder (AUD) is the most common comorbid disorder among people with schizophrenia. According to a report from the National Institutes of Health (NIH), “Schizophrenia patients with AUD are more likely to have social, legal, and medical problems, compared with other people with schizophrenia. AUD also complicates the course and treatment of schizophrenia.”
Influenced by both biological and psychological and socioenvironmental factors, alcohol use disorder among people with schizophrenia is associated with poor treatment outcomes and diminished quality of life. Those who battle both schizophrenia and AUD are more likely to experience unstable housing conditions or homelessness, and as the report explains, “increased recurrence of psychiatric symptoms, psychosocial instability, other substance use disorders, violence, victimization, legal problems, medical problems such as HIV infection and hepatitis, family problems, and institutionalization in hospitals and jails.”
According to the Schizophrenia Bulletin from Oxford Journals, substance abuse comorbidity is so common that it’s largely considered the norm rather than the exception among schizophrenic patients. Substance abuse is associated with a variety of negative consequences, including:
- An increase in positive symptoms
- A relapse of psychosis
- Increased risk of violence
- Increased risk of suicide
- More medical comorbidities
- Legal complications such as an increased risk of incarceration
- A greater likelihood of experiencing antipsychotic-related side effects
Solutions And Treatment Options
Long-term medication is typically recommended for a period of at least one year, and long-term maintenance medication is frequently used to control symptoms during long-term recovery. Substance abuse reduces the likelihood of medication compliance, however, so these patients should be carefully monitored to ensure ongoing compliance and reduce the risk of relapse.
While further research and evaluation is needed to determine the best approach to treating comorbid schizophrenia and substance abuse, an integrated treatment approach is the current widely accepted treatment standard. According to a report appearing in Medscape, a combination of psychosocial interventions with pharmacotherapy typically results in the best possible outcomes. Research continues to evaluate the effect of atypical antipsychotics to treat these patients, and the adjunctive use of naltrexone and similar agents is promising.
The University of Maryland Medical Center (UMM) suggests integrated approaches to treatment such as:
- ⋅ Motivational interviews to gauge the patient’s commitment to recovery
- ⋅ Antipsychotic medications with careful monitoring and management
- ⋅ Community-based rehabilitation coupled with skills training to improve long-term outcomes
- ⋅ Psychotherapy not just for the patient but their whole family to strengthen family support systems
- ⋅ Cognitive-behavioral therapy aimed at reducing delusions and hallucinations
Get Help With Addiction Today
Effectively managing comorbid schizophrenia and substance abuse requires more than pharmaceutical intervention. The best outcomes are achieved through mental health and substance abuse treatments coupled with therapeutic intervention providing patients with the skills and supports they need to manage both comorbid conditions as well as achieve functional goals, resulting in the long-term, comprehensive approach to recovery that results in positive outcomes.
While there is no definitive cure for schizophrenia alone or coupled with comorbid substance abuse disorder, the current integrated treatment approach holds promise for patients in enabling them to lead normal lives with ongoing disease management.
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