If there is allergy in your family history, design your baby’s diet considering the possibility of your child developing an allergy. Eliminating a food without even trying is not healthy. If you see that your baby reacts to something he ate, give him a very small amount of that food after a while. If similar symptoms arise, you should eliminate that food from your baby's diet. Click here for information about allergy. Don’t forget that allergy may cause serious health problems so it is best to consult your pediatrician.