2002
DOI: 10.1111/j.1346-8138.2002.tb00313.x
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Seasonal Variation in Acne Vulgaris—Myth or Reality

Abstract: A traditional opinion proposed by Western dermatologists is that acne improves in summer and worsens in winter. We studied 452 patiens with acne vulgaris and asked them about seasonal variation in their acne. A total of 229 patients (50.67%) complained of a seasonal variation; a significant proportion (56.33%) noticed an aggravation in summer, while 16.16% improved in summer and only 11.35% worsened in winter. Apparently winters did not affect the severity of acne in a majority of patients (64.20%). Significan… Show more

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Cited by 63 publications
(70 citation statements)
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“…Therefore, sun-bath sustains the restoration of inflammatory lesions by increasing blood circulation [54,55]. Apart from all, the study regarding seasonal variation, result of our study is against the conventional beliefs, supported by Indian survey reports that acne intensifies during summer ( Fig.…”
Section: Discussionsupporting
confidence: 62%
“…Therefore, sun-bath sustains the restoration of inflammatory lesions by increasing blood circulation [54,55]. Apart from all, the study regarding seasonal variation, result of our study is against the conventional beliefs, supported by Indian survey reports that acne intensifies during summer ( Fig.…”
Section: Discussionsupporting
confidence: 62%
“…[5] An Indian study showed that majority of patients with acne vulgaris worsened during summer. [36] In our study, seasonal variation was observed only in 80 patients (25.9%); 71 patients (23%) exacerbated in summer and 9 (2.9%) in winter. This observation was against the conventional view that acne vulgaris exacerbates in winter and improves in summer.…”
Section: Discussion Discussionmentioning
confidence: 47%
“…18 It is possible that UV radiation, which may cause inflammation and generate squalene peroxides which are highly comedogenic, may play a role in the persistence of acne in tropical countries, in addition to sweating and increased humidity. 19 Pregnancy is also known to aggravate acne lesions. Steroids have been implicated in causation of acne by inducing hypercornification of the upper portion of pilosebaceous unit.…”
mentioning
confidence: 99%