Palmoplantar Keratoderma, Punctate Type Ia, also known as keratosis palmoplantaris papulosa, is related to punctate palmoplantar keratoderma and palmoplantar keratosis. An important gene associated with Palmoplantar Keratoderma, Punctate Type Ia is AAGAB (Alpha And Gamma Adaptin Binding Protein). The drugs Carbamide peroxide and Aspartic acid have been mentioned in the context of this disorder. Affiliated tissues include skin and small intestine, and related phenotypes are punctate palmoplantar hyperkeratosis and palmoplantar keratoderma