seborrheic dermatitis
nounMedical Definition of seborrheic dermatitis
: a red, scaly, itchy dermatitis chiefly affecting areas (as of the face, scalp, or chest) with many large sebaceous glands
Topical antifungal agents are the mainstay of treatment of seborrheic dermatitis.— Luigi Naldi et al., The New England Journal of Medicine, 22 Jan. 2009 Seborrheic dermatitis—overstimulation of the oil glands, which results in dandruff and dry patches on your face—is often a chronic condition that may also show up on your scalp.— Corynne Corbett, Essence, November 1996