Refers to a Pharmaceutical composition comprising: a) a compound of formula (i) and (b) an anti-inflammatory Agent such as Mesalamine, budesonide, among others.It also relates to a method for treating an infection such as colitis caused by Clostridium difficile bacteria, Clostridium perfringens, Staphylococcus spp., Enterococcus spp., among others, comprising administering an amount of 50mg to 1000mg of composition between one to three times a day. The over a period of three to Fifteen daysSE REFIERE A UNA COMPOSICION FARMACEUTICA QUE COMPRENDE: A) UN COMPUESTO DE FORMULA (I) Y B) UN AGENTE ANTIINFLAMATORIO TAL COMO MESALAMINA, BUDESONIDA, ENTRE OTROS. TAMBIEN SE REFIERE A UN METODO PARA TRATAR UNA INFECCION TAL COMO COLITIS CAUSADA POR LA BACTERIA CLOSTRIDIUM DIFFICILE, CLOSTRIDIUM PERFRINGENS, STAPHYLOCOCCUS SPP, ENTEROCOCCUS SPP, ENTRE OTROS, QUE COMPRENDE ADMINISTRAR UNA CANTIDAD DE 50MG A 1000MG DE LA COMPOSICION ENTRE UNO A TRES VECES POR DIA DURANTE UN PERIODO DE TRES A QUINCE DIAS