<; p >; methods to treat chronic Cough or Cough to Treat Acute, subacute or chronic underlying neuronal hypersensitivity, comprising administering a compound derived from diaminopyridine or their salts; and the use of such compounds or their salts derived from diaminopyridine. <; / p >;SE DESCRIBE EL USO DE COMPUESTOS DERIVADOS DE DIAMINOPIRIMIDINA COMO MODULADORES DEL RECEPTOR P2X3 Y P2X23 PARA TRATAR LA TOS CRÓNICA.