A 7-year-old boy suffered from jellyfish contact dermatitis and acute renal failure following a jellyfish sting. Three days before being admitted , he accidentally contacted a jellyfish on the left forearm, left thigh and trunk while wading at Pattaya beach, Eastern Thailand. Investigation revealed hemoglobinuria. Histologic findings of a renal biopsy indicated that acute tubular necrosis had caused acute renal failure in the present patient. Supportive treatments improved the dermatitis and renal function of this patient.

Keywords: Acute renal failure, Hemoglobinuria, Jellyfish sting