Somatic symptom disorders

Somatic symptom disorders:

A person with a somatic symptom disorder, formerly known as a psychosomatic disorder or somatoform disorder, experiences physical symptoms of an illness or pain with an excessive and disproportionate level of distress, regardless of whether or not a doctor can find a medical cause for the symptoms.

https://www.webmd.com/mental-health/mental-health-types-illness