abstract:Morgellons (also called Morgellons disease or Morgellons syndrome) is a name given to a condition in 2002 by Mary Leitao where sufferers have the delusional belief that they are infested with parasites, whereas in reality no such parasites are present. Sufferers may exhibit a range of cutaneous symptoms such as crawling, biting, and stinging sensations (formication); unusual fibers in the skin; and persistent skin lesions (e.