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Vol. 14. Issue 3.
Pages 223-226 (September 2010)
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Vol. 14. Issue 3.
Pages 223-226 (September 2010)
Open Access
Hiperpotasemia inducida por trimetoprim-sulfametoxasol en un paciente con insuficiencia suprarrenal primaria
Trimethoprim induced hyperkalemia in a patient with primary adrenal insufficiency
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Juan Carlos Díaz1,
Corresponding author
jcdiaz1234@hotmail.com

Correspondencia: Juan Carlos Díaz, Calle 13A N° 85A-20, apartamento 402B, Cali, Colombia. Teléfono: (572) 373-9345.
, Liliana Fernández2
1 Médico internista, CES-Fundación Valle del Lili, Cali Colombia
2 Medicina Interna y Neumología, Fundación Valle del Lili, Cali, Colombia
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Resumen

La hiperpotasemia inducida por el trimetoprim- sulfametoxasol es un efecto secundario relativamente común pero poco reconocido, independientemente de la dosis utilizada. Descrita inicialmente en 1983, se presenta en diversos tipos de pacientes; no obstante, existen condiciones que aumentan el riesgo de presentarla, entre las que se encuentra la insuficiencia suprarrenal.

Reportamos el caso de un paciente con insuficiencia suprarrenal primaria que, posterior al uso de trimetoprim-sulfametoxazol, presentó hiperpotasemia e hiponatremia. Generalmente, la suspensión del fármaco es suficiente para normalizar los niveles séricos; en nuestro paciente, también se aumentó temporalmente la dosis de esteroides, con lo cual se logró una excelente respuesta clínica.

Palabras clave:
trimetoprim sulfametoxazol
hiperpotasemia
hiponatremia
efectos adversos
insuficiencia suprarrenal.
Abstract

Hyperkalemia induced by trimethoprim therapy is a frequent, yet less thought-off complication associated with its use. Initially described in 1983, it has been reported in several different patient populations; nonetheless, some groups of patients have a higher risk of presenting it, amongst them patients with adrenal insufficiency. We describe a patient with primary adrenal insufficiency who developed hyperkalemia and hyponatremia after trimethoprimsulfamethoxazole therapy. Generally, drug suspension is all that is required to return potassium to normal levels; in our patient, a temporary increase in the steroid dose was also used, achieving an excellent clinical response.

Key words:
trimethoprim sulfametoxazol
hyperkalemia
hyponatremia
adverse effects
adrenal insufficiency.
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Copyright © 2010. Asociación Colombiana de Infectología (ACIN)
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