Hi, My Daughter Is Going To Be 6 Month Old

Hi, my daughter is going to be 6 month old on 1st sept n she is passing watery stools since last 3week .we have given her nutrilin b n also also antibiotics but its not stopping then we change doctor she precsprescribed spasmolic drops n gutspert its in 5daya its controlled but again today she passed 6stools n also there is red bump on her head arrived .now we are giving cefpodoxime oral Also colicaiad plz suggest