An unpleasant sensation, as if ants were crawling over the skin.This may occur following abuse of certain drugs, such as alcohol or morphine. Health Source: BMA Medical Dictionary Author: The British Medical Association
n. a prickling sensation said to resemble the feeling of ants crawling over the skin. It is sometimes a symptom of drug intoxication and has also been reported by patients with Parkinson’s disease and multiple sclerosis. Health Source: Oxford | Concise Colour Medical Dictionary Author: Jonathan Law, Elizabeth Martin