Hello how can you identify the cheks are swollen or not in the 4 years old baby girl just want to know and how can anybody know that which food alergy is there in her body

A. Generally food allergies shown on the entire entire body and it is in the form of rashes apart from swelling so that can be one sign and sometimes when it is only because of a food allergy the entire face is going to be not only a particular part so that time you can see if it’s a food allergy if you have introduce something new lately to the child which is common to be seen with nuts seafood and even lot of times it has been seen with Mushrooms