question: Hi my baby is 4 months old he is a very fussy babay he was a colic baby and had reflux. But all is beter now so we swiched he s formula from novalac ar to nan ar and now he is on nan 1. He has a runny nose and sometimes a blocked nose he also have eczema now so could it be the formula? What formula will help baby next. I did try isomil he had 4 bottles but threw up. Please help!