https://my.clevelandclinic.org/health/diseases/9886-illness-anxiety-disorder-hypochondria-hypochondriasis
Illness Anxiety Disorder (Hypochondria): Symptoms & Treatment
Illness anxiety disorder (hypochondria) causes persistent, unrealistic fears about having a serious illness or becoming sick.
illness anxiety disorderhypochondriasymptomstreatment
https://www.mayoclinic.org/diseases-conditions/illness-anxiety-disorder/symptoms-causes/syc-20373782
Illness anxiety disorder - Symptoms and causes - Mayo Clinic
Excessive worry that you're seriously ill based on minor symptoms can result in major emotional distress and disrupt your life. Also called hypochondria.
illness anxiety disordersymptomscausesmayoclinic