Schizophrenia is a mental health disorder that distorts a person’s perception of reality. At Tranquil Shores, we know some people who struggle with schizophrenia also have a substance abuse problem, which can lead to extreme behavior and suicidal ideation.
Can using drugs cause schizophrenia? People with substance use disorder need specialized treatment programs that can effectively help them heal. Our team implements personalized recovery plans to meet each client’s needs.
What Is Schizophrenia?
Schizophrenia is a severe mental illness that affects thoughts, feelings and behavior. It causes significant impairment in at least one area of life, including self-care, relationships and careers. The symptoms usually begin during adolescence or early adulthood and affect more men than women.
The condition must last for a minimum of six months, with characteristics like hallucinations and delusions being present for at least one month continuously. The person may exhibit less acute symptoms during the other months, such as having bizarre beliefs.
Drug-Induced Schizophrenia Causes and Symptoms
While schizophrenia and substance abuse have genetic components, no single gene directly causes either condition. Instead, mental and behavioral disorders are more likely to arise through a combination of biological and environmental factors.
- Genetics: A family history of schizophrenia may increase risk.
- Environmental influences: Variables such as prenatal complications, childhood trauma or growing up in a highly stressful or urban environment can contribute to vulnerability.
- Brain chemistry: Irregularities in neurotransmitters like dopamine and glutamate and structural differences in the brain regions responsible for thoughts and emotions have links to schizophrenia.
Symptoms of Schizophrenia
To receive a diagnosis of schizophrenia, a person will typically have two or more of the following signs lasting over one month:
- Delusions
- Hallucinations
- Disorganized speech and behavior
- Lack of emotional expressions
- Low motivation
- Diminished speech
Can Substance Abuse Cause Schizophrenia?
Drugs do not directly cause schizophrenia. However, studies have shown that drug misuse increases the risk of developing schizophrenia or a similar illness. For example, substances like amphetamines can induce temporary schizophrenia-like side effects.
Altered neurological function is one outcome of consistent, long-term drug use. Intoxicants can cause dopamine overactivity, which often resembles schizophrenia.
Drug-Induced Psychosis vs. Schizophrenia
Drug-induced psychosis occurs when a substance temporarily disrupts brain chemistry, leading to hallucinations, paranoia or disorganized thinking. Symptoms often appear during use or shortly afterward and usually improve once the substance leaves the system. Recovery from heavy, prolonged drug abuse can take a few days or weeks.
Schizophrenia is a chronic mental illness often passed down through a genetic chemical imbalance. The condition impacts people’s thoughts, beliefs and actions. Those with schizophrenia may hear voices that tell them what to do, which can lead to tragic consequences if left untreated, such as cognitive decline.
Does Drug Use Cause Schizophrenia? The Link Between Schizophrenia and Drug Use
Specialists have known for years that drug addiction can be an escalated form of self-medication for mental illness. As a result, mental health disorders and substance use fuel each other in an increasingly complex, ongoing cycle.
Research illuminates the relationship between drug addiction and the early onset of schizophrenia. This correlation is associated with the brain’s inability to produce pleasure-inducing neurotransmitters such as dopamine and glutamate.
When the brain becomes dependent on a potent drug, the substance hinders the innate ability to release feel-good neurochemicals like dopamine and serotonin and creates an artificial rush of euphoria. Once addiction takes hold, it can change brain chemistry and cause long-term harm that may lead to depression, bipolar disorder and schizophrenia.
Research suggests that 20.4 million adults aged 18 and older in the U.S. live with co-occurring substance abuse and mental health disorders. These findings could indicate that schizophrenia caused by drug abuse occurs more often than we realize.
Substance abuse also makes treatment for schizophrenia less effective. Using marijuana, cocaine and other drugs may worsen or intensify symptoms. Despite schizophrenia’s long-standing reputation as a genetic disease, environment also contributes to symptom development. A broken home, unstable emotional environments, childhood trauma and mental disorders like depression can all lead to the advancement of drug abuse and schizophrenia.
Substances Associated With Drug-Induced Psychosis and Schizophrenia Risk
Some substances can trigger short-term psychotic episodes or present schizophrenia-like symptoms. The likelihood depends on multiple variables, including age, substance use history and personal risk factors.
Substances connected with drug-induced psychosis include the following.
- Cannabis use can lead to drug-induced psychosis, especially in those vulnerable to schizophrenia. Tetrahydrocannabinol, the psychoactive compound of cannabis, can create experiences such as paranoia or perceptual changes that mimic psychotic symptoms.
- Stimulants can increase alertness and energy, but at high doses or with repeated use, they can cause hallucinations, delusions or paranoia. For some, these symptoms fade after the substance clears from the body. For others, these episodes can linger or reappear, sometimes resembling schizophrenia-like symptoms.
- Hallucinogens can temporarily change how people perceive reality. These effects may be short-lived, but for people with a personal or family history of psychosis, these drugs may trigger intense or prolonged symptoms. Dissociative substances, such as phencyclidine, can lead to episodes of delusional thinking.
- Heavy alcohol use can lead to hallucinations or confusion during intoxication or withdrawal. Alcohol-related psychosis often appears a few days after stopping drinking and typically improves with medical support and time.
Risk Factors for Drug-Induced Psychosis
Certain factors can make someone more vulnerable to psychotic episodes from substance use or to developing longer-lasting schizophrenia-like symptoms.
- Genetic predisposition and family history: A family history of schizophrenia or psychotic disorders may increase vulnerability. Having a predisposition does not guarantee someone will develop schizophrenia, but they may be more sensitive to stressors.
- Preexisting mental health conditions: Anxiety, depression or other mental health issues can make people more susceptible to drug-induced psychosis.
- Early or heavy use: Starting drug use at a young age can increase the likelihood of drug-induced psychosis. Using substances frequently or in high doses amplifies the risk.
Treatment Options for Drug-Induced Psychosis
Whether it’s schizophrenia, clinical depression or chronic anxiety, those with coexisting substance abuse and psychological disorders can benefit from dual-diagnosis mental health treatment.
Therapists work closely with their clients to identify the root causes of substance dependence and psychiatric challenges. If you need family support, reach out to learn more about our programs.
- Detoxification and withdrawal management: The first stage of treatment often involves medically supervised detox. This process safely clears substances from the body and eases uncomfortable withdrawal symptoms.
- Medication support: Pharmacological interventions may reduce acute symptoms. Options include antipsychotics to relieve hallucinations and delusions and anxiolytics to alleviate agitation and severe anxiety.
- Psychotherapy and behavioral interventions: Therapeutic approaches include cognitive behavioral therapy, which helps clients recognize triggers, develop coping strategies and change thought patterns. Group therapy and family therapy facilitate communication between a person with substance use disorder and their loved ones to support the recovery process.
- Integrative and holistic approaches: Individuals may undergo experiential therapies to address emotional aspects linked to substance abuse. They may also engage in holistic practices such as mindfulness and movement-based activities to nurture mental, emotional and spiritual well-being.
Reclaim Your Life With Support From Tranquil Shores
Tranquil Shores guides you through every step of your recovery journey. We offer various treatments and therapies to meet you where you are. From cognitive behavioral therapy and family counseling to integrative approaches and holistic healing, our clinicians help you address the root causes of addiction and manage co-occurring mental health challenges.
We tailor a treatment plan that caters to your professional life and personal goals. Aftercare services ensure ongoing support long after the initial program ends, helping you sustain progress.
Contact us today to get started.
