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Understanding Schizophrenia
Signs, Symptoms, and Treatment for Schizophrenia and Addiction
Schizophrenia is a complex mental health disorder that affects how a person thinks, feels, and perceives reality. When symptoms are left untreated, daily functioning, relationships, and overall well-being can be significantly impacted. Many people living with schizophrenia also struggle with substance use, often as an attempt to cope with distressing symptoms.
At Agape Treatment Center, we provide comprehensive mental health care for individuals living with schizophrenia, including support for co-occurring substance use disorders or other mental illnesses. Treatment focuses on stabilizing symptoms, improving daily functioning, and supporting long-term recovery through structured, individualized care.
Key Points
- Schizophrenia is a complex mental health disorder that affects how a person thinks, feels, and perceives reality.
- Schizophrenia symptoms are classified in three distinct categories: Positive, Negative, and Cognitive.
- Symptoms typically emerge in late adolescence or early adulthood, and their intensity may fluctuate over time.
- Schizophrenia often co-occurs with substance use and sometimes addiction.
- Drug and alcohol use can worsen psychotic symptoms and increase relapse risk.
- Without proper care, symptoms such as hallucinations, delusions, and disorganized thinking may worsen over time. Early diagnosis and consistent treatment improve long-term outcomes.
What Is Schizophrenia?
Schizophrenia is a chronic psychiatric disorder characterized by disruptions in thought processes, emotional regulation, perception, and behavior.[1] People with schizophrenia may experience psychosis, which can include hallucinations, delusions, disorganized thinking, and impaired insight that interfere with reality and daily life.
Schizophrenia can also obstruct how someone interprets and interacts with the world around them, often impacting communication, decision-making, motivation, and social relationships.
Symptoms typically emerge in late adolescence or early adulthood, and their intensity may fluctuate over time.[2] While schizophrenia requires long-term management, many who suffer from it can achieve meaningful stability, improved functioning, and a higher quality of life with the right treatment, support, and personalized care.
Common Signs and Symptoms of Schizophrenia
Schizophrenia symptoms are classified in three distinct categories [3]:
Positive symptoms (added experiences):
- Hallucinations, such as hearing voices
- Delusions or fixed false beliefs despite clear evidence to the contrary, such as believing one is being watched or targeted, believing they have special powers or an important mission, or holding grandiose beliefs about their importance, identity, or abilities.
- Disorganized speech or thought patterns
- Psychotic episodes involving distorted perceptions
Negative symptoms (loss of functioning):
- Limited emotional expression
- Social withdrawal
- Decreased motivation or speech
- Difficulty experiencing pleasure
Cognitive symptoms:
- Trouble concentrating
- Impaired memory
- Difficulty with decision-making and problem-solving
These symptoms can vary widely between individuals and may fluctuate over time.
The Link Between Schizophrenia and Substance Use
Research has found a consistent correlation between drug and alcohol use and schizophrenia.[4] Many people diagnosed with schizophrenia turn to using alcohol or drugs, such as cannabis and stimulants, as a way to relieve anxiety, boredom, depression, or any of the other distressing effects associated with schizophrenia.
However, using alcohol or drugs can intensify the frequency and severity of psychotic symptoms experienced by individuals diagnosed with schizophrenia and inhibit their chances of successfully recovering through prescribed medications.[5] This creates a vicious cycle where psychotic symptoms create a need to use drugs or alcohol, adversely affecting the success of someone recovering from schizophrenia.
Can Drug Use Cause Schizophrenia?
Substance use does not cause schizophrenia, but it can increase a person’s chance to develop schizophrenia or trigger the onset of symptoms in someone already predisposed to developing it.[6] Certain types of substances (cannabis and stimulants in particular) have also been related to individuals developing psychotic symptoms at younger ages than individuals who have had little or no exposure to such substances.[7]
Sometimes, the presence of “substance-induced psychotic symptoms” can mimic the symptoms of schizophrenia to the untrained eye. Because of this, a professional assessment, as well as continuing to monitor suspected substance abusers, is critical for determining how much the addicted individual needs to decrease drug use and how much integrated substance abuse treatment will be applicable.
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Risk Factors for Schizophrenia
While the exact cause of schizophrenia is not fully understood, several factors are associated with increased risk, including [8]:
- Family History: Family history of schizophrenia or other psychiatric disorders
- Brain Chemistry: Neurotransmitter imbalances involving dopamine and other brain chemicals, and differences in brain structure or development
- Environment: Environmental stressors or trauma
- Substance Use: Early substance misuse, particularly during adolescence
Understanding these risk factors helps guide early intervention and individualized treatment planning.
Evidence-Based Therapies for Schizophrenia
Living with untreated schizophrenia can significantly disrupt a person’s ability to function in daily life. Without proper care, symptoms such as hallucinations, delusions, and disorganized thinking may worsen over time. This can lead to social isolation, difficulty maintaining employment, increased risk of substance use, and a higher likelihood of hospitalization or crisis situations.
A variety of evidence-based approaches to treatment may be warranted when treating individuals diagnosed with schizophrenia.[9] Some of the most effective are listed below:
- Cognitive behavioral therapy (CBT) to address thought patterns and symptom insight
- Individual therapy focused on coping skills and emotional regulation
- Group therapy to support social engagement and communication
- Family therapy to improve understanding and support systems
- Medication management coordination to support symptom stabilization
For the most effective results, all treatment plans must be customized for the individual and regularly reviewed and adjusted based on progress during treatment.
Amanda Stevens is a highly respected figure in the field of medical content writing, with a specific focus on eating disorders and addiction treatment. Amanda earned a Bachelor of Science degree in Social Work from Purdue University, graduating Magna Cum Laude, which serves as a strong educational foundation for her contributions.
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Treatment for Schizophrenia and Addiction at Agape Treatment Center
Living with schizophrenia can be a challenge, especially when it interferes with one’s ability to live independently, enjoy life, or manage the use of substances. With appropriate treatment, however, both stability and continuous recovery can be achieved. If you or a loved one is living with schizophrenia and needs help, the admission staff at Agape Treatment Center can assist you in exploring treatment options and insurance coverage
FAQ
Frequently Asked Questions About Schizophrenia Treatment
Are people with schizophrenia more prone to addiction?
Research has shown that individuals with schizophrenia are statistically more likely to abuse substances than those who do not have a diagnosis of schizophrenia. Many of these individuals use substances to cope with the symptoms associated with their illness, like emotional discomfort, distressing symptoms, and adverse effects from medications. This increases their risk of developing an addiction.
Can substance abuse cause schizophrenia?
Substance abuse on its own does not result in schizophrenia, but it can act as a triggering factor in someone with a vulnerability to developing the disorder and, in those already suffering from schizophrenia, can worsen symptoms. Certain substances, like marijuana and stimulant drugs, are associated with an increased risk for earlier onset and severe symptoms for some people.
What substances should people with schizophrenia avoid?
Alcohol, marijuana, stimulants, and psychoactive drugs may exacerbate the symptoms associated with the disorder, interfere with treatment, and increase the risk for relapse.[10] An individual living with schizophrenia should refrain from using any substances to manage their symptoms in order to increase their chances of living a stable lifestyle.
What are common delusions experienced in schizophrenia?
Common delusions include delusions of persecution (believing one is being harmed or targeted), grandiosity (believing one has exceptional importance, power, or identity), and reference (believing neutral events or messages are personally directed at them). With consistent treatment, many delusions can lessen in intensity or improve over time.
What lifestyle supports recovery for someone with schizophrenia?
A structured daily routine, consistent mental health treatment, medication adherence, therapy, a healthy sleeping routine, and maintaining a strong support system can all help support an individual living with schizophrenia. Recovery supports individuals in stabilizing their symptoms, becoming functional, and improving their quality of life.
Sources
[1] [2] [3] [6] [8] [9] National Institute of Mental Health. (2024, May). Schizophrenia. U.S. Department of Health and Human Services. https://www.nimh.nih.gov/health/topics/schizophrenia
[4] [5] National Institute on Drug Abuse. (2020, April). Common comorbidities with substance use disorders research report. U.S. Department of Health and Human Services. https://nida.nih.gov/publications/research-reports/common-comorbidities-substance-use-disorders/introduction
[7] Khokhar, J. Y., Dwiel, Z. L., Reed, M. B., Stanton, P. K., Fosray, G. W., & Brunette, M. F. (2018). The link between schizophrenia and substance use disorder: A unifying hypothesis. Schizophrenia Research, 194, 78–85. https://pmc.ncbi.nlm.nih.gov/articles/PMC6094954/
[10] Substance Abuse and Mental Health Services Administration. (2023, April 24). Schizophrenia. U.S. Department of Health and Human Services. https://www.samhsa.gov/mental-health/schizophrenia
