Paranoia is a mental disorder that can make people falsely believe
that others are lying, cheating, using them, or trying to harm them. Or it can
give them an overly large sense of self-importance. People with paranoia can
have either or both of these traits.
Paranoia may occur with several other mental disorders (as in
paranoid schizophrenia) or Alzheimer's disease. It rarely occurs as a mental
illness on its own. It is sometimes caused by using illegal drugs such as
Treatment usually includes professional counseling and may include
Kathleen Romito, MD - Family Medicine & Lisa S. Weinstock, MD - Psychiatry
The Health Encyclopedia contains general health information. Not all treatments or services described are covered benefits for Kaiser Permanente members or offered as services by Kaiser Permanente. For a list of covered benefits, please refer to your Evidence of Coverage or Summary Plan Description. For recommended treatments, please consult with your health care provider.