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considered to be multifactorially inherited

Multifactorial inheritance means that "many factors"

where a combination of genes from both parents, in addition to unknown environmental factors, produce the trait or condition

factors are usually both genetic and environmental

Often, one gender (either males or females) is affected more frequently than the other in multifactorial traits

means that one gender is more likely to show the problem

Slightly more males develop schizophrenia in childhood, however, by adolescence schizophrenia affects males and females equally.

Although schizophrenia affects men and women equally, symptoms in men generally begin earlier than in women

schizophrenia first appears in men during their late teens or early 20s

women, schizophrenia often first appears during their 20s or early 30s.

schizophrenia affects 2.7 million Americans

child born into a family with one or more schizophrenic family member has a greater chance of developing schizophrenia than a child born into a family with no history of schizophrenia.

chance for a sibling to also be diagnosed with schizophrenia is 7 to 8 percen

If a parent has schizophrenia, the chance for a child to have the disorder is 10 to 15 percen

Risks increase with multiple affected family members.

Distorted perception of reality (i.e., difficulty telling dreams from reality) Confused thinking (i.e., confusing television with reality) Detailed and bizarre thoughts and ideas Suspiciousness and/or paranoia (fearfulness that someone, or something, is going to harm them) Hallucinations (seeing, hearing, or feeling things that are not real such as hearing voices telling them to do something) Delusions (ideas that seem real but are not based in reality) Extreme moodiness Severe anxiety and/or fearfulness Flat affect (lack of emotional expression when speaking) or inability to manage emotions Difficulty in performing functions at work and/or school Exaggerated self-worth and/or unrealistic sense of superiority of one's self Social withdrawal (severe problems in making and keeping friends ) Disorganized or catatonic behavior (suddenly becoming agitated and confused, or sitting and staring, as if immobilized) Odd behaviors

The symptoms of schizophrenia are often classified as positive (symptoms including delusions, hallucinations, and bizarre behavior), negative (symptoms including flat affect, withdrawal, and emotional unresponsiveness), disorganized speech (including speech that is incomprehensible), and disorganized or catatonic behavior (including marked mood swings, sudden aggressive, or confusion, followed by sudden motionlessness and staring).

diagnosed by a psychiatrist

Specific treatment for schizophrenia will be determined by your physician based on: Your age, overall health, and medical history Extent of the disease Your tolerance for specific medications, procedures, or therapies Expectations for the course of the disease Your opinion or preference

Types of treatment that may be helpful to an individual with schizophrenia may include: Medications (also called psychopharmacological management; to reduce the symptoms of schizophrenia), including the following: Neuroleptics--a specialized class of medications used to treat schizophrenia. Neuroleptics are used primarily to treat the pervasive, intrusive, and disturbing thoughts of a person with schizophrenia. They are designed to help minimize the severity of delusions and hallucinations the individual is experiencing. Antipsychotic medications--medications that act against the symptoms of psychotic illness, but do not cure the illness. However, these medications can reduce symptoms or reduce the severity of symptoms; a specialized class of medications used to treat schizophrenia. Individual and family psychotherapy (including cognitive and behavioral therapy) Specialized educational and/or structured activity programs (i.e., social skills training, vocational training, speech and language therapy) Self-help and support groups

Preventive measures to reduce the incidence of schizophrenia are not known at this time