What Is Schizophrenia?

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What Is Schizophrenia?

It’s a serious mental illness that can be disabling without care. About 1% of Americans have it. People with the condition may hear voices, see imaginary sights, or believe other people control their thoughts. These sensations can frighten the person and lead to erratic behavior. Although there is no cure, treatment can usually manage  the most serious symptoms.  It is not the same as multiple personality disorder.

What Are the Symptoms?

They include:

  • Hallucinations: hearing or seeing imaginary things
  • Delusions: wildly false beliefs
  • Paranoia: the fear that others are plotting against you

Some signs, such as lack of enjoyment in everyday life and withdrawal from social activities, may mimic depression.

How It Affects Thoughts

People with schizophrenia may have trouble organizing their thoughts or making logical connections. They may feel like the mind is racing from one unrelated thought to another. Sometimes they have “thought withdrawal,” a feeling that thoughts are removed from their head, or “thought blocking,” when someone’s flow of thinking suddenly gets interrupted.

Effects on Behavior

The disease has a major impact in many ways. People may talk and not make sense, or they make up words. They may be agitated or show no expression. Many have trouble keeping themselves or their homes clean.  Some repeat behaviors, such as pacing. Despite myths, the risk of violence against others is small.

Who Gets Schizophrenia?

Anyone can. It’s equally common among men and women and among ethnic groups.  Symptoms usually start between ages 16 and 30. It tends to begin earlier in men than in women. Schizophrenia rarely starts during childhood or after age 45. People with schizophrenia or other psychotic disorders in their family may be more likely to get it.

What Causes It?

Scientists don’t know the cause. A person’s genes, experiences, and setting may all be involved. Theories include how active and how well certain areas of the brain work, as well as problems with brain chemicals such as dopamine and glutamate. There may be structural differences, too, like loss of nerve cells that result in larger fluid-filled cavities or “ventricles” in the brain.

How Doctors Diagnose It

There are no lab tests to find schizophrenia, so doctors usually base a diagnosis on a person’s history and symptoms. They will first rule out other medical causes. In teens, a combination of family history and certain behaviors can help predict the start of schizophrenia. These behaviors include withdrawing from social groups and expressing unusual suspicions, but that’s not enough for a diagnosis.

Medicines That Treat It

Prescription drugs can reduce symptoms such as abnormal thinking, hallucinations, and delusions. Some people have troubling side effects, including tremors and gaining lots of weight. Drugs may also interfere with other medicines or supplements. But in most cases, medication is a must to treat schizophrenia.

The Role of Therapy

Counseling can help people develop better ways to recognize and handle their problem behaviors and thoughts, and improve how they relate to others. In cognitive behavioral therapy (CBT), people learn to test the reality of their thoughts and better manage symptoms. Other forms of therapy aim to improve self-care, communication, and relationship skills.

Staying on the Plan

People with schizophrenia sometimes quit their medications because of side effects or not understanding their illness. This raises the risk of serious symptoms returning, which can lead to a psychotic episode (in which someone loses touch with reality). Regular counseling can help people stick with their treatment and avoid a relapse or the need for hospitalization.

Challenges at Work

People with schizophrenia often have trouble finding or keeping a job. This is partly because the disease affects thinking, concentration, and communication. But it also stems from the fact that symptoms start in young adulthood, when many people are starting their careers. Vocational and occupational rehabilitation can help people develop practical job skills.

When a Loved One Has It

Relationships can be rocky for people with schizophrenia. Their unusual thoughts and behaviors may keep friends, co-workers, and family members away. Treatment can help. One form of therapy focuses on forming and nurturing relationships. If you are close to someone who has schizophrenia, you may want to join a support group or get counseling yourself, so you can get support and learn more about what they are going through.

Alcohol, Drugs Are a Risk

People with schizophrenia are much more likely than other people to abuse alcohol or illicit drugs. Some substances, including marijuana and cocaine, can make symptoms worse. Drug abuse also interferes with treatments for schizophrenia. If you know someone who’s dealing with that, look for substance abuse programs designed for people with schizophrenia.

Discuss Before Pregnancy

Women with schizophrenia who plan to get pregnant should talk with their doctors to make sure that their medications are OK to take during pregnancy.  Studies of schizophrenia drug safety during pregnancy are encouraging.  But although there are no definitive links between medications for schizophrenia and birth defects or serious pregnancy complications, it’s important to talk about it with your doctor first.

When It’s a Relative

It can be hard to convince someone with schizophrenia to get help. Treatment often begins when a psychotic episode results in a hospital stay. Once the person is stabilized, family members can do these things to help prevent a relapse:

  • Encourage the person to stay on medication
  • Go with them to their follow-up appointments
  • Be supportive and respectful


Where to Learn More

To learn more about schizophrenia, contact the National Institute of Mental Health (NIMH) or the National Alliance on Mental Illness (NAMI). NAMI can put you in touch with local support groups for patients and their families.

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