Always be on the lookout for symptoms of an allergic reaction after introducing new foods. (howtoadult.com)
Common symptoms of an allergic reaction include itchy red spots or patches, swelling around the lips or eyes, or vomiting within two hours of eating the recently introduced food. (babycenter.com)
The best option would be seeking medical treatment whenever you happen to notice symptoms of allergic reaction. (skindiseaseremedies.com)