what is it called when you think you have bugs on you
Delusional parasitosis Delusional parasitosis, also known as delusional infestation[1] or Ekbom's syndrome,[2][3] is a delusional disorder in which individuals incorrectly believe they are infested with parasites, insects, or bugs, whereas in reality no such infestation is present.[4] Individuals with delusional parasitosis usually report tactile hallucinations known as formication, a sensation resembling insects crawling on or under the skin.