However, you should always watch for signs of an allergic reaction, such as swelling or difficulty breathing, as these can be life - threatening conditions. (vetinfo.com)
Many parents aren't sure what to do if their baby shows signs of an allergic reaction for the first time. (babycenter.com)
Signs of allergic reactions include vomiting or diarrhea, whole body itching, swelling of the face or legs, difficulty breathing, or collapse. (morenapethospital.com)