1.

Person is preoccupied with thoughts about having or getting a significant illness. In reality, person has no or, at most, mild somatic symptoms.

2.

Person has easily triggered, high anxiety about health.

3.

Person displays unduly high number of health-related behaviors (e.g., keeps focusing on body) or dysfunctional health-avoidance behaviors (e.g., avoids doctors).

4.

Person’s concerns continue to some degree for at least 6 months.

(Information from: APA, 2013)