Pityriasis rosea is another common skin disease that causes scaly patches of rash on the skin. It tends to present initially with a large patch of rash, which is called the herald or mother patch. Additionally, only 2 cases of pityriasis rosea in COVID-19 patients have been published.3,4 Our cases highlight the need for SARs-CoV-2 testing in patients presenting with pityriasis rosea-like eruptions, even if otherwise asymptomatic, for appropriate diagnosis and contact tracing. Maija Johansen, BA,a Sarah S. Chisolm, MD,a,b Laura Delong Pityriasis Rosea. Pityriasis rosea is benign and common with school-age children and young adults. It may be caused by a viral infection and is most likely to spread in spring and autumn. The disease often disappear without treatment within six weeks, but sometimes it can take up to three to six months. The skin diseases is not contagious. Treatments for pityriasis rosea. Background. Pityriasis rosea is a common scaly rash prevalent in young adults. A patch of redness and scales is followed by widespread rash. Pityriasis rosea usually resolves within 2 to 12 weeks; however, the rash can resemble a serious contagious skin condition, causing concern. Second, rashes with morphological and distributional resemblances to PR that may be caused by drugs are currently considered as a separate condition distinct from PR in ICD-10. 7 Thus, we recommend a revision to “pityriasis rosea-like drug eruption” as the diagnostic label in the article. 1. Third, quoting the diagnostic label as “PR-like Pityriasis rosea has been reported in all ages, but occurs predominantly between 15 and 35 years. The cause is unknown, although a viral etiology is suspected, especially human herpesvirus-6 and 7 (HHV-6, HHV-7), as most affected patients will not relapse in their lifetime which suggests immunity against the virus.[ 9 ] Several studies have found that patients with pityriasis rosea have higher levels of HSV-6 and HSV-7 detected in their skin, suggesting that infection by these viruses may have a causal effect on the development of pityriasis rosea. Occasionally, pityriasis rosea has been documented in siblings or in spouses (Table 1) [19–21]. In these Pityriasis rosea is a mild, common rash. It causes the skin to become scaly, pink, and inflamed. The rash is usually seen in children, adolescents, and young adults. The rash will get better on its own in 1 to 3 months. Pityriasis rosea is not contagious. The goal of treatment is relieving discomfort and itching. Pityriasis rosea (say "pit-uh-RY-uh-sus ROH-zee-uh") is a common skin rash. It usually starts as one scaly and pinkish, purple, or red-brown patch on your stomach or back. Days or weeks later, more small patches appear. The rash may itch, but it will not spread to other people. Experts aren't sure what causes pityriasis rosea. WHO9I.

how common is pityriasis rosea