Mayo Clinic Care Network Content
Definitions

Nummular dermatitis


Description

Coin-shaped rash or sores.

Overview

With nummular dermatitis, coin-shaped rashes or sores appear on the skin. It may occur after an injury.

Symptoms

The sores may spread, ooze, itch, and crust over. The condition can last for months.

Treatments

Treatments can include a medicated cream or ointment and bandages. Antihistamines at bedtime can ease itching and help with sleep.