The authors report a case of a 89 years-old woman with mucocutaneous leishmaniasis and previous diabetes mellitus and high blood pression, who had been treated with allopurinol for 10 months without healing of lesions. Afterwards, she has been treated with meglumine antimonate, "glucantime" for 4 days, with a total dose 2,380mg of Sb v, but developed cardiacs side effects and hypokalemia, hence the treatment was wihtdrawn. However, this patient developed total clinical regression of lesions, in spite of she has been recieved low dose of this drug .
American tegumental leishmaniasis; Mucocutaneous leishmaniasis; Allopurinol; Pentavalent antimonials
