Introduction & Theoretical Background
Health anxiety is experienced by between 1 and 10 people out of every 100 (Stansfield et al, 2016; Kessler et al, 2005) but like many anxiety disorders, it is under-diagnosed and often goes unrecognized (Olatunji et al, 2014).
The DSM-5 diagnostic criteria for illness anxiety disorder include:
- A preoccupation with having or acquiring a serious illness.
- The absence of somatic symptoms (or if present, they are only mild in intensity). If another medical condition is present, or there is a high risk for developing a medical condition, the preoccupation is clearly excessive or disproportionate.
- A high level of anxiety about health, and the individual is easily alarmed about their personal health status.
- The performance of excessive health-related behaviors (e.g. repeatedly checking one’s body for signs of illness) or maladaptive avoidance (e.g. avoiding doctor’s appointments or hospitals).
- Illness preoccupation that has been present for at least 6 months (although the specific illness that is feared may have