How do I know if Im having an allergic reaction?
Allergic reactions manifest themselves differently depending on what causes the reaction and in which part of the body the reaction is taking place. If a patient with allergic symptoms related to cat allergy becomes symptomatic after dander exposure, he may have nasal symptoms like hay fever, chest symptoms of asthma, or hives if skin comes in contact with cat dander or cat saliva from holding the cat. A patient who is allergic to pollen (such as ragweed) may have itchy eyes, ears, nose or throat, nasal congestion, sneezing, clear watery runny nose, and/or asthma-like symptoms. A patient who has the severe allergic reaction, anaphylaxis, from a medication such as penicillin or from an insect sting, may show signs in several different systems. Symptoms on the skin include generalized redness, warmth, itching, hives, or swelling (angioedema). Chest symptoms may include shortness of breath, tightness in the chest, difficulty breathing, or wheezing consistent with asthma. Nausea, vomiting,
