The 2012 CDC-sponsored study did not classify Morgellons as delusional infestation. It also did not identify a cause shared across the group. This audit follows the denominators and separates what the study measured from what later sources claimed.
delusional parasitosis
Can Morgellons Be Diagnosed as a Delusion? What a New Psychodermatology Review Gets Right—and Wrong
Research criticism • Psychodermatology • Source audit
A 2026 review correctly challenges reflexive psychiatric dismissal. Its own infectious claims, however, do not survive the same citation-level scrutiny.
LookExamine sensations, lesions, and fibers before interpreting them.
AttributeDistinguish a coexisting condition from a demonstrated cause.
VerifyFollow treatment and etiology claims back to their sources.
A patient can have real skin lesions, real fibers, real crawling sensations—and still face an unresolved question about what caused them. That is why disease versus delusion is the wrong binary.
Morgellons or Delusional Infestation? The Difference Must Be Investigated
“Morgellons is delusional parasitosis” is often presented as though it settles the controversy. It does not. It states the prevailing medical interpretation, but it leaves an essential diagnostic question unanswered: what evidence establishes that a particular patient’s observation is false?