By Gary M. White, MD

Acrodermatitis dysmetabolica (AAD) is an umbrella term encompassing the other metabolic causes of an erosive periorificial and acral dermatitis mimicking acrodermatitis enteropathica. Causes include acquired zinc, amino acid, biotin, and fatty acid deficiencies. In the case of infants with cystic fibrosis, various amino acids may be low due to malabsorption.


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