Moon Jellyfish Stings

formed.Theexanthemaandtheeosinophiliadecreasedgradually until normalization was achieved on day 16. On day 19, vemurafenib therapy was discontinued, and within 7days thereafter, the feverhad improved, and theelectrolyte profile had normalized. Tumor assessment showed a major tumoral response. On day 29, vemurafenib treatment was restarted at half dose, leading within 21 days (day 50) to a relapse of hypokalemia and hypouricemia with acute urinary loss but without relapseof fever,exanthema,oreosinophilia.Vemurafenibtreatment was then definitively stopped, followed by normalization of electrolytic findings within 5 days. At that time, treatmentwithdabrafenib, anotherBRAF inhibitor,was started.At last follow-up 5months later, no adverse event had occurred.