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Angulus Infectiosus

DOIA, 2003

definition Acute or chronic inflammation of the skin and contiguous labial mucous membrane at the corners of the mouth.
A variety of factors are implicated, alone or in combination, including infective agents (candida species, staphylococci), mechanical factors, disease of the skin (atopic dermatitis, seborrheic dermatitis), and nutritional deficiencies.