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Understanding the "Bugs Crawling on Skin" Feeling: Causes, Diagnosis, and Clinical Protocols for 2026

"The unsettling sensation of insects crawling on, under, or through your skin is a specific medical symptom known as formication. Derived from the Latin word formica, meaning ant, formication is a subtype of paresthesia—spontaneous, abnormal sensations of the skin typically associated with neuropathic, systemic, or psychogenic etiologies. This guide distinguishes the subjective sensation of formication from actual, physical ectoparasitic infestations (such as scabies, bedbugs, or lice) to provide a clear, clinically validated diagnostic pathway for those experiencing these symptoms. The Pathophysiology of Formication: Why Your Nervous System M..."

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