Besides, after takingthe drug, allergic reaction of skin rashes was exhibited. So the physician diagnosed the patient ashaving an allergic reaction to a drug.2. What kind of hypersensitivity is hay fever, and what are the signs of it?Hay fever (Pollinosis), also known as allergic rhinitis, is a Type 1 hypersensitivity (inflammationof the nose) triggered when the immune system becomes sensitive and overreacts to allergicsubstances in the environment. Typical signs and symptoms of hay fever include skin rush, arunny or stuffy nose, mild pain, sneezing, watery eyes, itching, inflammation and swellingaround the eyes. The nose produces a clear fluid. The symptoms begin within minutessubsequent to exposure to allergens and can interfere with sleep, the ability to work,
Besides, after takingthe drug, allergic reaction of skin rashes was exhibited. So the physician diagnosed the patient ashaving an allergic reaction to a drug.2. What kind of hypersensitivity is hay fever, and what are the signs of it?Hay fever (Pollinosis), also known as allergic rhinitis, is a Type 1 hypersensitivity (inflammationof the nose) triggered when the immune system becomes sensitive and overreacts to allergicsubstances in the environment. Typical signs and symptoms of hay fever include skin rush, arunny or stuffy nose, mild pain, sneezing, watery eyes, itching, inflammation and swellingaround the eyes. The nose produces a clear fluid. The symptoms begin within minutessubsequent to exposure to allergens and can interfere with sleep, the ability to work,