my son is a 9 mnths old now, he had been confined to a hospital for two days on a diarhea last two weeks, he take a lactosefree milk and his poop is ok, now i go back to his old usual milk not lactosefree and he didnt want to take it nicely, now he didnt take a good sleep and had a lowgradefever andhas a husky voice, hope somebody can have an answer for us, thanks