Why is Rosebud repeated?

Pityriasis rosea is an acute inflammatory skin disease characterized by erythema, papules and scales. It normally presents as rose-colored maculopapules, starting as a mother spot and then presenting as widespread secondary spots. The course of disease is self-limiting. Infection, drug factors, autoimmunity, heredity and allergy are all possible mechanisms. Pityriasis rosea is prone to recurrent attacks during treatment, which may be caused by excessive friction with sweating, hot water and soap, or improper diet, eating some spicy foods, and may also cause recurrent disease. Some pityriasis rosea may be related to drug allergies. If such drugs are taken orally during treatment, it may also cause recurrent attacks of pityriasis rosea. Therefore, it is necessary to find out the cause and standardize treatment.