a term used to describe a very distressing sensation of ants and other insects crawling on a person's skin. It is a tactile hallucination occurring with substance abuse and infectious complaints.

FORMICATION: "Joe felt formication when he was suffering from diphtheria."
Cite this page: N., Pam M.S., "FORMICATION," in, May 11, 2013, (accessed April 23, 2021).