The chest, back, and abdomen are the primary sites for the rash that characterizes the widespread, self-limiting skin illness pityriasis rosea. Pityriasis rosea's exact origin is unknown, however it is assumed that a viral infection, such as human herpesvirus 6 or 7, is to blame.
The herald patch, which is a single, bigger patch of scaly, pink or red skin that typically precedes multiple smaller patches that appear in a distinctive "Christmas tree" pattern, is the typical initial appearance of the rash caused by pityriasis rosea. Normal symptoms of the rash include mild to moderate itching.
Pityriasis rosea typically resolves on its own within a few weeks to a few months and is a self-limited illness. However, in order to reduce discomfort and itching, medication may be advised. In addition to oatmeal baths or other calming skin care products, this may also involve topical or oral drugs such antihistamines or topical corticosteroids.
Pityriasis rosea typically doesn't need any special care or medical attention, and the rash will normally go away on its own with time. However, if you suffer any odd or severe symptoms, such as a widespread or persistent rash, high fever, or other infection-related symptoms, it's crucial to speak with a dermatologist.