- a tactile hallucination involving the belief that something is crawlingon the body or under the skin.
Karrie scratched her arm. Her long nails left red welts and she examined the markings closer. She scratched again, not stopping until she drew blood. Red welled. She smeared her fingers in it, feeling.
Where were they? She knew they were there, hiding under her skin, squirming and moving like bugs. It wasn’t her imagination like her therapist said, not a case of formication. He was making up words to get more money out of her.
Karrie bolted to her feet and to the kitchen. Cutlery clattered as she sifted for a knife. The blade gleamed, poised over her arm.