What causes allergies?

Dog Allergies Symptoms

What exactly are allergies? Oh, we all know how allergies affect us. Itching, sneezing, watery eyes, runny nose and other allergy symptoms often send us running for the Sudafed. But what allergies cause this?

Dog Allergies Symptoms

Allergies are the result of the body's immune system. What happens is the immune system attacks a non-harmful substance such as pollen and uses it as a malicious virus. An ultra-sensitive immuneThe system can actually damage the body in the body they thought that is protection, if it goes too far.

Dog Allergies Symptoms

Most doctors believe that allergies are caused by a protein allergen. The protein that causes the allergic person to make white blood cells in the body, as if the allergen entering the body and go into attack mode. They produce large amounts of antibodies on mast cells in the body. These mast cells and histamineWhen histamine in the body in excessive amounts, can cause problems.

Dog Allergies Symptoms

Here's what happened. Let us look, for example, ragweed, it is one of the most common allergens. Ragweed pollen is inhaled, thus entering the body. The antibody binding to mast cells recognize the protein in ragweed pollen. Your reaction is to bind to proteins, while working with their mast cells. By binding to these two sites, warns against the complex of additional antibodiesProteins. And destroy the particles are connected. When mast cells are destroyed, is the histamine in the body. Histamines cause your blood pressure to fall and to expand the blood vessels. These symptoms lead the spaces are filled with liquid, so that all the classic symptoms of allergy.

And 'interesting to note that even in our highly developed society, do not fully understand the process of allergies. Once someone has started signsan allergy to a particular substance, often have allergies to substances. Another interesting thing is that allergies can build. Sometimes a person may have a mild reaction to a substance and then you have symptoms even more. A violent reaction to an allergen is anaphylactic shock, a condition where the body begins to shut down after the outbreak of hives and swelling called. If you are a giftallergic reaction with swelling, blisters, accompanied, go to the hospital immediately. Anaphylactic shock can cause death by damaging the brain, kidneys, or what the brain to swell shut. For the treatment of anaphylactic shock, you need an injection of adrenaline, but must be given quickly, before the body has the possibility of serious damage.

If you think your child might be prone to allergies, you can take your child for testing. The most common way to verify allergiesis a scratch test. A litmus test is where a doctor is a piece of an allergen in a scratch on the arm or back and then watch for swelling. It is not often used in young children, but as you can actually cause a reaction. For small children, parents only need to look for signs of allergies and talk to your doctor if you have problems.

What causes allergies?

Dog Allergies Symptoms