Symptoms usually occur within several hours or several days after eating the trigger food.
Hence, it is best to observe your baby’s reaction(s) closely – especially after introducing a
new food.
Common symptoms that occur within several hours include:
Hives and worsening eczema
Swollen eyes, tongue, face, mouth and lips
Rare but serious symptoms include:
Some babies may develop an allergic reaction 1 or 2 days later so do keep a lookout for
symptoms like eczema, wheezing, persistent vomiting, constipation and/or stomach pain. See a
paediatrician immediately if your baby displays any of these reactions.