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Medicina (B.Aires) ; 72(6): 475-477, dic. 2012. ilus, tab
Article in Spanish | LILACS | ID: lil-662155

ABSTRACT

El ergotismo es una enfermedad conocida desde la antigüedad, que se caracteriza por isquemia y, en algunos casos, gangrena de las extremidades. Muchas drogas de uso corriente tienen la capacidad de interactuar con los ergotamínicos desarrollando ergotismo como efecto adverso. Un ejemplo de ello es el ritonavir, un inhibidor de la proteasa utilizado en pacientes con el virus de la inmunodeficiencia humana (HIV). Presentamos un caso de ergotismo en un varón de 39 años con infección por HIV en tratamiento con ritonavir que, después de ingerir 1 mg de tartrato de ergotamina, además de presentar manifestaciones clásicas de la enfermedad, desarrolló un infarto esplénico. Por lo tanto, consideramos importante advertir a los pacientes sobre la posible interacción farmacológica entre los ergotamínicos y otras drogas de uso frecuente y, en particular, el ritonavir en pacientes portadores de HIV.


Ergotism is a clinical condition known since old times and whose main characteristics are ischemia and even limb gangrene. Some drugs have the capacity of interacting with small amounts of ergotamine or its derivatives producing ergotism as a side effect. This is the case of ritonavir, a widely used anti-HIV drug. Here we present a case of ergotism that developed in an HIV positive 39 year old male under treatment with ritonavir, after taking 1 mg of ergotamine tartrate. His clinical picture, apart from showing the basic manifestations of the disease, was associated with splenic infarction. For this reason, we consider important to advise patients about the potential pharmacological interaction between ergotamines and others common drugs and, in particular, ritonavir in HIV positive patients.


Subject(s)
Adult , Humans , Male , Ergotamine/adverse effects , Ergotism/etiology , HIV Protease Inhibitors/adverse effects , Ritonavir/adverse effects , Splenic Infarction/chemically induced , Vasoconstrictor Agents/adverse effects , Drug Interactions , HIV Infections/drug therapy , Tomography, X-Ray Computed
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