my son is 7 months old. for two weeks now has had runny tummy. has gone to a doctor twice first time was given antibiotics for chest infection,no treatment for tummy. tummy got worse at least 8 - 10 dirty nappies a day all strong smelling of acid bright yellow and just water nothing solid he is now losing weight. went back to the doctor they then said it was a fungal infection in his tummy. more medicine,( rehydrate solution, interflora, antibiotic, cough mixture ) now he cant seem to keep food down and tummy still the same