STAGE I
The person experiences mild symptoms and warning signs, but they are still able to function normally. There is a sense that things are not “right”.
STAGE II
Symptoms start to increase in frequency and severity. New symptoms may also appear making it harder for the person to manage their everyday responsibilities, including work and family.
STAGE III
Symptoms have increased in severity and frequency. They may even begin to occur simultaneously, rendering the person helpless and unable to function anymore.
STAGE IV
Symptoms have become severe and persistent, leading to impairment and total mental breakdown. The person may be unemployed, hospitalized, incarcerated or homeless.