Symptoms:

• Abnormal displays of emotion
• Confusion
• Depression and sometimes suicidal thoughts
• Disorganized thought and speech
• Extreme excitement (mania)
• False beliefs (delusions)
• Loss of touch with reality
• Mistaken perceptions (illusions)
• Seeing, hearing, feeling, or perceiving things that are not there (hallucinations)
• Unfounded fear/suspicion

Signs and tests:

Psychological evaluation and testing are used to diagnose the cause of the psychosis.

Laboratory and x-ray testing may not be needed, but sometimes can help pinpoint the exact diagnosis. Tests may include:

• Drug screens
• MRI of the brain
• Tests for syphilis