It is because, today there are lots of food that people allergic on it need to avoid. Usually, people try to remove some food on which one they are doubt that influence on allergy. But, it could happen that they enter in the body products, food that is not on their "forbidden" list, but also they have allergic attack. In the worst situation the only what could happen is bloating and migraines or at last skin rashes. On the other side, gluten allergy is actually immunological and it may in some extremely situation to cause condition known as anaphylaxis or in the worst situation death. The most usual symptoms of gluten allergy are: swelling, especially in area of the tongue and mouth, asthma, red rash on the skin and hive or also called "urhicaria". Furry pets, such as dogs and cats contain proteins which are found in the saliva, skins and urine of them. You may influence on developing of these symptoms if you are touching animals or if you are in contact with dust from your house which is full of animal dander. Connected with the previous allergen, there are also and allergen which are present all over your house and it is dust and dust mites. Skin allergy not only that may be caused with the creams, body lotions, or other cosmetic products, but also it could be caused with the usage of the certain food, such as: beef, horse meat, eggs, pork, chicken, fish, soy, corn, dairy products, etc. In direct contact with the skin, the most usual is contact dermatitis. One of the most usual allergies that caused with the airborne pollen is allergies on the pollen with the symptoms of hay fever. This type of allergies usually is starting up in the early spring or also in the early autumn. At last, depending of factors, allergies may also be caused by medications. Reasons Why People Are Getting Allergies The most important for healthy of all people is immune system. With the researching which done US Environmental Protection Agency in 1990, air pollution indoor ranked as "high priority health risk". Products such as air filters or air purifiers are very good, because they are reducing allergens which may cause symptoms of asthma. This involves symptoms such as: nasal congestion, problem with breathing, swelling and other.