Pityriasis rosea is a skin condition that causes a rash. The exact cause is unknown, but pityriasis rosea is harmless. It is not believed to be contagious and may be triggered by a virus rather than a bacterial or fungal infection. It is not an allergic reaction. Pityriasis rosea typically lasts six to eight weeks, but it can linger for months. Anyone at any age can develop pityriasis rosea, but it is usually between the ages of 10 years old and 35. Keep reading to learn more about the symptom of pityriasis rosea and treatments, including at-home remedies.
A large, scaly patch that is slightly raised is known as the herald patch. It is usually a single patch that is either round or oval in shape and pink in color. The size of the herald patch can range from two centimeters up to 10 centimeters (3.9 inches), but larger herald patches are more common than smaller ones. It may develop on your back, chest, or abdomen.
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