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What causes pityriasis rosea?

Pityriasis rosea is an itchy rash that starts on the torso. Currently there is nothing specifically known to cause pityriasis rosea. One thought is that a virus such as a variety of the human herpes virus may be a cause.

The cause of pityriasis rosea is not altogether clear. Some medical professionals believe that the human herpesvirus 6 and 7 may play a role in the condition.

 

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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.