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Other Conditions With Symptoms Similar to Schizophrenia

Other conditions can cause similar symptoms as schizophrenia, such as hallucinations. But having similar symptoms doesn't mean that you have schizophrenia. When similar symptoms are caused by other conditions, they are often related to a specific situation and disappear with treatment.

Other conditions that can cause symptoms similar to those of schizophrenia include:

  • Substance abuse. Using illegal drugs, particularly phencyclidine hydrochloride (PCP) and methamphetamine, can cause symptoms of psychosis, including hallucinations or personality changes.
  • Bipolar disorder. In severe cases, bipolar disorder can also cause hallucinations and bizarre personality changes.
  • Depression that has features of psychosis.
  • Poor interaction of combined medicines. Taking several prescription medicines that interact with each other can lead to hallucinations and other symptoms that are similar to the positive symptoms of schizophrenia.

Even if you don't have schizophrenia, you need to see a health professional if you experience any symptoms that are similar to those of the positive symptoms of schizophrenia.

By Healthwise Staff
Primary Medical Reviewer Kathleen Romito, MD - Family Medicine
Specialist Medical Reviewer Miklos Ferenc Losonczy, MD, PhD - Psychiatry
Last Revised August 16, 2011

Last Revised: August 16, 2011

Author: Healthwise Staff

Medical Review: Kathleen Romito, MD - Family Medicine & Miklos Ferenc Losonczy, MD, PhD - Psychiatry

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