Below is a list of warning signs that suggest the onset of schizophrenia. It was developed by families who have a member with schizophrenia. Some of the behaviour is within the range of normal responses to situations. However, families felt that even with the mildest of symptoms there was a vague, yet distinct, awareness that the behaviour was "unusual".

Social withdrawal was observed by everyone. Most commented that their relative had been a "good person, never causing any trouble". Seldom had the person been socially "outgoing" during the formative years.

• Excessive fatigue and sleepiness or an inability to sleep
• Social withdrawal, isolation and reclusiveness
• Deterioration of social relationships
• Inability to concentrate or cope with minor problems
• Apparent indifference, even in highly important situations
• Dropping out of activities (skipping classes)
• Decline in academic and athletic performance
• Deterioration of personal hygiene; eccentric dress
• Frequent moves or trips or long walks leading nowhere
• Drug or alcohol abuse
• Undue preoccupation with spiritual or religious matters
• Bizarre behaviour
• Inappropriate laughter
• Strange posturing
• Low tolerance to irritation
• Excessive writing without apparent meaning
• Inability to express emotion
• Irrational statements
• Peculiar use of words or language structure
• Conversation that seems deep but is not logical or coherent
• Staring; vagueness
• Unusual sensitivity to stimuli (noise, light)
• Forgetfulness

next: Making A Diagnosis of Schizophrenia