To suspect an allergic reaction, one should be aware of the signs and symptoms of an allergic reaction, which can include: Skin rash or hives, Itching or swelling, especially of the face, lips, or tongue, Difficulty breathing or shortness of breath, Wheezing or coughing, Rapid or weak pulse, Nausea or vomiting, Dizziness or fainting, Loss of consciousness… Read More »