Seborrheic dermatitis is associated with other epithelial barrier diseases of the skin and beyond, including the respiratory, gastrointestinal and ocular surfaces, according to a study published in JAMA Dermatology.
Although the pathophysiology of seborrheic dermatitis is not known, researchers have proposed that epithelial barrier disruption drives many epithelial barrier diseases of the skin, respiratory tract, gastrointestinal tract and ocular surface, David J. Margolis, MD, PhD, professor of dermatology and epidemiology at the University of Pennsylvania Perelman School of Medicine, and