Important Notice: Our web hosting provider recently started charging us for additional visits, which was unexpected. In response, we're seeking donations. Depending on the situation, we may explore different monetization options for our Community and Expert Contributors. It's crucial to provide more returns for their expertise and offer more Expert Validated Answers or AI Validated Answers. Learn more about our hosting issue here.
The cause of Pityriasis Rosacea is not known. Because of its tendency to occur in seasonal epidemics and because of its rather predictable course, it is thought to be caused by a viral infection. If the disease is contagious at all, it is only slightly so, since multiple cases occurring at the same time within families are seen only very rarely.
