What is the usual duration for the rash in pityriasis rosea?

Pityriasis rosea typically presents with a distinct rash that generally lasts for about 6 to 12 weeks. This condition usually begins with a herald patch, followed by the appearance of additional smaller lesions. Although the acute phase may seem uncomfortable due to itchiness or other symptoms, the rash usually resolves within this timeframe without requiring extensive treatment.

Many cases of pityriasis rosea are self-limiting, and while some patients may experience a longer duration, the average resolution aligns with the 6 to 12-week window. Recognizing this duration helps both patients and healthcare providers manage expectations and understand the natural course of the condition.