In some cases, allergic reactions can cause swelling, whether the cause is a bug bite, poison ivy, food, or another trigger. For example, an allergic reaction to food may cause swelling of the throat or tongue, which can be life-threatening. A less severe allergic reaction, such as a bug bite, may cause the skin where the bite occurred to become red, swollen, and itchy.
This site offers information designed for educational purposes only. You should not rely on any information on this site as a substitute for professional medical advice, diagnosis, treatment, or as a substitute for, professional counseling care, advice, diagnosis, or treatment. If you have any concerns or questions about your health, you should always consult with a physician or other healthcare professional.