Consistently high levels of resistance to methronidazolee have been documented in Colombia 53-55, and recently resistance rates to Clarithromycine around 20% have been reported 55.
En Colombia, de manera consistente, se han documentado altas tasas de resistencia, para metronidazol 53-55 y recientemente para claritromicina con una tasa por encima del 20% 55.