Acute Care Nurse Practitioner Exam Prep 2025 – Complete Practice Resource

Question: 1 / 400

How long can the eruption of pityriasis rosea last?

1-2 weeks

2-3 weeks

4-8 weeks

Pityriasis rosea is a common skin condition characterized by a distinctive rash that typically starts with a "herald patch," followed by the appearance of smaller lesions that usually develop in a 'Christmas tree' pattern on the back. The duration of the eruption can vary, but it often lasts between 4 to 8 weeks in most cases.

During this time, the rash may go through various stages of fading and changing appearance before it completely resolves. Although some patients may experience shorter or longer durations, 4 to 8 weeks is the most commonly observed timeframe for the eruption to progress and then clear up. This understanding is vital for patient education, as knowing what to expect can alleviate concerns about the duration and management of the condition.

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8-12 weeks

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