You have given an excellent descrition of what can happen when a child who is lactose intolerant is given even a very small amount of a dairy product, in this case the ice cream. The only part that is unusual and is more suggestive of an actual allergy to cow's milk is th fact that your baby daughter developed a rash on her chin afterwards.It would be a good idea to have some Allecet syrup at home [an antihistamine] in case she again develops an allergic-like reaction. The dose for your baby is 1.25 ml given as a single dose.
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