___ is caused by an allergy to certain food items, cosmetics or medicines.
Nettlerash
Nettlerash also known as urticaria or hives is a raised, itchy rash that appears on the skin. It may appear on one part of the body or be spread across large areas. The rash is usually very itchy and ranges in size from a few millimetres to the size of a hand. It is caused due to allergy to drug and food like shellfish, strawberries, egg etc. whereas, eczema is a term for a group of medical conditions that cause the skin to become inflamed or irritated where patches of skin become inflamed, itchy, red, cracked, and rough. Hay fever is caused allergy caused by pollen or dust in which the mucous membranes of the eyes and nose are inflamed, causing running of the nose and watery eyes. Asthma is a chronic lung disease that inflames and narrows the airways in the lungs. Symptoms include coughing, shortness of breath, and chest tightness.