Educational Content: This article is for informational purposes only and does not constitute medical advice. Always consult a healthcare provider for diagnosis and treatment.
Definition of Cataplasm
Medically reviewed by Min Clinic Staff | Updated: January 2026
Cataplasm: A poultice or plaster. A soft moist mass, often warm and medicated, that is spread over the skin to treat an inflamed, aching or painful area, to improve the circulation, etc. From the Greek kataplasma, poultice, from kataplasso, to spread over. See also: Mustard plaster; Poultice.