The severity of any allergic reaction may vary from a low-level irritation to a full anaphylaxis emergency. Allergic rhinitis may cause itching, sneezing, conjunctivitis, and sneezing. Food allergies may cause swelling around the mouth, lips, and face and anaphylaxis.
Allergic reactions to pharmaceuticals may cause hives anywhere around the body, wheezing, and anaphylaxis.
Allergies to insects, their bites, and stings may result in edema, redness, hives, shortness of breath, and anaphylaxis. Eczema may result in dry, red itchy, and scaly skin.
Anaphylaxis is a severe allergic condition that may result in nausea, low blood pressure, shortness of breath, tachycardia, and dizziness. Anaphylaxis may require an epinephrine injection and emergency hospitalization.