Hello and thanks for writing in a HCM
Your kids report says that he has growth of E. coli bacteria in the stool or digestive tract is infected with E. Coli. Further the drugs Amikacin
, Cipro, Cotima, Norflox
has good effect on this bacteria and are much effective in getting cure from the infectionn.
Other drugs are resistant to the growth of E. Coli and has no effect on the bacteria.
So consult your doctor and take one or two medicine which are sensitive to the E.Coli and get rid from the infection.
Best Wishes and have a speedy recovery