My Daughter Is 1yr 2mnths... 3mnths Back Had Losse Motions

My daughter is 1yr 2mnths... 3mnths back had losse motions nd doc gave oflomac m.. but after 3 days it was not cured nd said she has an infection of ecoli bacteria and was hospitalised... now again she has loose motions with green color same doc recommended same medicine oflomac M... me in confusion... another doc recommend mebarid but this doc not available now... Wat should I do.... worried mother...