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What does "herald patch" mean?

Diana Meeks
Diana Meeks on behalf of Sigma Nursing
Family Practitioner

After confirming your diagnosis of pityriasis rosea, your doctor may talk about the "herald patch" or "mother patch." This is the first sign of rash that appears on the body in pityriasis rosea. The herald patch is a small circular rash that first shows itself on the torso. After the herald patch appears, other spots of rash will appear on other parts of the body. Your doctor will examine the herald patch to diagnose the disease and may take a skin sample of it.

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.