herald patch

Before the herald patch appears, you may feel tired and as though you have a cold.

See a picture of a herald patch .

Diagnosis can be difficult when only the herald patch is visible, because the condition is often mistaken for ringworm or eczema at this time.

The rash often begins with a single, round or oval, pink patch that is scaly with a raised border (herald patch).

In some people, the herald patch may not appear, or two herald patches may appear close together.

A herald patch (not necessarily the largest) appearing at least two days before eruption of other lesions, from history of the patient or from clinical observation.