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Skinmed. 2013 May-Jun;11(3):141-6.

A clinicoepidemiological study of pityriasis rosea in South India.

Author information

  • Department of Dermatology, Venereology and Leprosy, Pondicherry Institute of Medical Sciences, Pondicherry, India 605014. satyakiganguly@yahoo.co.in

Abstract

Pityriasis rosea is an acute self-limiting papulosquamous skin disorder of unknown etiology. Although pityriasis rosea is a common dermatologic disorder, information regarding the epidemiology of the disease in India is limited because of inadequate studies. The incidence and presentation of pityriasis rosea varies from one geographical region to another. The objective was to study the various clinical patterns of the disease and epidemiologic factors influencing its occurrence. A cross-sectional study on the clinicoepidemiologic pattern of pityriasis rosea was conducted. A detailed history of illness regarding onset, evolution, duration, symptoms, systemic features, recurrence, history of contact, and associated factors such as socioeconomic status, history of drug intake, and use of new clothing, along with epidemiologic data, was recorded in the performa. The age of the patients ranged from 3 to 47 (mean 20.32) years. Incidence of pityriasis rosea was highest among patients aged 11 to 20 years followed by those 21 to 30 years. There was a male preponderance. Seasonal variation was not evident. History of using new garments or old garments, unwashed for an extended period was elicited in 23% of cases. The average interval of onset of lesions and presentation to physician was 14.45 days. Pruritus was a common symptom (70%). Of 73 patients, 67 had herald patch. The clinical features of most of the cases were in accordance with the classical pattern of pityriasis rosea.

PMID:
23930352
[PubMed - indexed for MEDLINE]
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