HealthDay News — Seborrheic dermatitis is a common inflammatory condition in middle-aged and elderly individuals, especially males and those with darker skin, according to a study published online in the British Journal of Dermatology.

Martijn Gerard Hendrik Sanders, from Erasmus Medical Center in the Netherlands, and colleagues used data from the Rotterdam Study, a prospective population-based cohort study of middle-aged and elderly adults, to identify lifestyle and physiological determinants associated with seborrheic dermatitis.

The researchers found that 14.3%  of the cohort was diagnosed with seborrheic dermatitis (788 of 5498). Associations were seen between seborrheic dermatitis and male sex (adjusted odds ratio [OR] 2.09), darker skin (OR .39), season (summer versus winter: OR .63), and generalized xerosis cutis (OR 1.41).

“Seborrheic dermatitis is one of [the] most common inflammatory dermatoses in middle and elderly aged individuals, especially during [the] winter period,” conclude the authors.

Two authors disclosed financial ties to Unilever, which funded the study.

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Reference

  1. Sanders MGH, Pardo LM, Franco OH, Ginger RS, Nijsten T. Prevalence and determinants of seborrheic dermatitis in a middle aged and elderly population: the Rotterdam study [published online August 20, 2017]. Br J Dermatol. doi: 10.1111/bjd.15908