Hypochondriasis
Hypochondriasis is a fear of having a serious disease. It is also called anxiety disorder or health anxiety.
There will be no symptoms of a disease or perhaps minimal symptoms, but you will think that you are seriously ill. Like even if you go to a doctor and no illness is found, you will not be reassured and continue to worry obsessively.
Hypochondriasis is not the presence or absence of illness, but you can say that it is rather the psychological reactions to it.
Hypochondriasis may be caused by major life stress, any symptoms believed to be life-threatening like such as chest pain or memory loss, history of childhood abuse, or any particular negligence history of childhood illness as well.
Signs and symptoms related to hypochondriasis are excessive worrying about having a major disease, No or mild presence of symptoms, having so much distress that it’s hard for you to function, keep checking your body for signs of illness.