An idiopathic, self-limited skin eruption characterized by widespread papulosquamous lesions
System(s) affected: skin/exocrine
Face and distal extremities are m...
The most common initial sign is a 2- to 10-cm salmon-colored patch or plaque known as the herald patch. The herald patch is present 40–76% of the time (1).
More widespread rash begins...
Symptomatic treatment
Topical antipruritics, as needed
Lukewarm oatmeal baths (not hot because heat can intensify itching)
A Cochrane review in 2019 showed low- to mod...
Reassure patient about self-limited nature of condition.
Prin...
Ahmed N, Iftikhar N, Bashir U, et al. Efficacy of clarithromycin in pityriasis rosea. J Coll Physicians Surg Pak. 2014;24(11):802–805. [View Abst...
History of a herald patch preceding the generalized rash is helpful in the diagnosis of pityriasis rosea.
Treat symptomatically for itching, if needed.
No evidence supports aggressive tr...
Sign up for a 10-day FREE Trial now and receive full access to all content.
Pityriasis rosea. A: Pityriasis rosea causes a papulosquamous eruption that frequently involves the thorax and assumes a characteristic “Christmas tree” appearance.
From Fleisher GR, MD, Ludwig S, MD, Baskin MN, MD. Atlas of Pediatric Emergency Medicine. Philadelphia: Lippincott Williams & Wilkins, 2004.
Pityriasis rosea. A: Pityriasis rosea causes a papulosquamous eruption that frequently involves the thorax and assumes a characteristic “Ch...
Pityriasis rosea. B: The individual lesions are elongated maculopapules with a rough surface. They follow the skin lines, which leads to the branching pattern of the chest.
Pityriasis rosea. B: The individual lesions are elongated maculopapules with a rough surface. They follow the skin lines, which leads to th...
FIG. 6.23. Pityriasis rosea. A: Pityriasis rosea causes a papulosquamous eruption that frequently involves the thorax and assumes a characteristic "Christmas tree" appearance. B: The individual lesions are elongated maculopapules with a rough surface. They follow the skin lines, which leads to the branching pattern of the chest. C: Psoriasis, another papulosquamous eruption more often appears on the extensor surface and has a silvery scale.
FIG. 6.23. Pityriasis rosea. A: Pityriasis rosea causes a papulosquamous eruption that frequently involves the thorax and assumes a charac...
Pityriasis rosea. Present for 2 weeks. A 4 cm lesion noted on breast. Ovoid, central "collarette" scale
Pityriasis alba: cheek, boy
Pityriasis rosea: anterior trunk, adult male
Pityriasis rosea. This patient has a herald patch on her chest. Other, smaller, elliptical lesions can be seen. From Goodheart HP. Goodheart's Photoguide to Common Skin Disorders: Diagnosis and Management, 3rd Edition. Philadelphia: Lippincott Williams & Wilkins, 2009
Pityriasis rosea. This patient has a herald patch on her chest. Other, smaller, elliptical lesions can be seen. From Goodheart HP. Goodhear...
Pityriasis rosea. Note the characteristic elliptic (“football”) shape of lesions. From Goodheart HP. Goodheart's Photoguide to Common Skin Disorders: Diagnosis and Management, 3rd Edition. Philadelphia: Lippincott Williams & Wilkins, 2009.
Pityriasis rosea. Note the characteristic elliptic (“football”) shape of lesions. From Goodheart HP. Goodheart's Photoguide to Common Skin ...
Pityriasis rosea. The herald patch is on this child's flexor forearm. From Goodheart HP. Goodheart's Photoguide to Common Skin Disorders: Diagnosis and Management, 3rd Edition. Philadelphia: Lippincott Williams & Wilkins, 2009.
Pityriasis rosea. The herald patch is on this child's flexor forearm. From Goodheart HP. Goodheart's Photoguide to Common Skin Disorders: D...
Pityriasis rosea. Here the lesions are more exuberant and the “Christmas tree” pattern is evident. From Goodheart HP. Goodheart's Photoguide to Common Skin Disorders: Diagnosis and Management, 3rd Edition. Philadelphia: Lippincott Williams & Wilkins, 2009.
Pityriasis rosea. Here the lesions are more exuberant and the “Christmas tree” pattern is evident. From Goodheart HP. Goodheart's Photoguid...
Pityriasis rosea. Atypical (inverse). The larger herald patch is present in the left inguinal area. From Goodheart HP. Goodheart's Photoguide to Common Skin Disorders: Diagnosis and Management, 3rd Edition. Philadelphia: Lippincott Williams & Wilkins, 2009.
Pityriasis rosea. Atypical (inverse). The larger herald patch is present in the left inguinal area. From Goodheart HP. Goodheart's Photogui...
Pityriasis rosea. Herald patch and smaller macules. Ovoid, central "collarette" scale