Resumen
La cefalea por abuso de medicamentos es una condición neurológica endémica y discapacitante que afecta a entre el 1 y el 2 % de la población general y ayuda a la cronificación de una cefalea previa de base, generalmente la migraña. Se define como una cefalea que aparece 15 o más días al mes en pacientes con cefalea primaria preexistente, como consecuencia del abuso habitual de medicación aguda o sintomática contra la cefalea (durante 10 o más o 15 o más días al mes, según el fármaco) en un periodo superior a tres meses. Suele, aunque no siempre, remitir al detener el abuso de la medicación. El tratamiento requiere varios pasos: educación, retiro del medicamento usado en exceso, desintoxiación e inicio de manejo profiláctico.
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