Symptoms of a mild allergic reaction can include hives itchy red spots on the skin itching. nasal congestion known as rhinitis rash. scratchy throat. watery or itchy eyes..
More information about Allergic reaction symptoms
Casein Allergy If a glass of milk or slice of pizza causes swollen lips, hives, or other symptoms, you may have an allergy to casein, a protein in milk. Another milk protein associated with allergies is whey. Some people are allergic to both casein and whey..The symptoms of an allergic reaction can vary from mild to severe. If you become exposed to an allergen for the first time, your symptoms may be mild. These symptoms may get worse if you repeatedly come into contact with the allergen..