cercarial dermatitis https://rarediseases.info.nih.gov/diseases/9747/cercarial-dermatitis https://www.malacards.org/card/cercarial_dermatitis lake Itch SCTID:238534006 MONDO:0001260 DOID:11302 GARD:0009747 An unusual presentation of schistosomiasis characterized by a pruritic papular rash in the perigenital or periumbilical area due to an allergic reaction to schistosoma eggs deposited in the skin. ICD9:120.3 UMLS:C0546996 swimmer's itch NCIT:C128349 ICD10CM:B65.3 cutaneous schistosomiasis icd11.foundation:648519873 ICD9:709.8 duck Itch MEDGEN:108186 schistosomiasis skin infection parasitic skin disorder