What Are Allergies and The Symptoms of Allergies?

allergies

learn what allergies are and what the symptoms of allergies are.

What are allergies?

Allergies are the body's immune system incorrect reaction to an alien substance. Exposure to what is normally an innocuous substance, like pollen, results in the immune system reacting as though the substance was harmful to the body. Substances that induce allergic reactions are called allergens. The majority of allergic reactions come about from a combination of genetics and environmental exposures (pollens, animal danders, etc.). Being confronted by allergens at certain periods such as when the body’s immune defences are down or frail, like following a viral infection or during maternity, also might contribute to the evolution of allergies.

An allergic reaction is produced when the interaction between the allergen itself, mast cells and immunoglobulin E (IgE). The result of this interaction is a release of inflammatory chemicals that may result in swelling, itching, increased secretions and bronchospasm, this last symptom is very serious and can cause death and is when tightening of muscles that surround the airways occurs.

Allergies are obnoxious to say the least, however they can also touch off severe responses in some individuals. Scientists use the term "allergy" to indicate any sort of altered state of the body's immune system when it responds differently to a substance as a result of previous contact.

What are the symptoms of allergies?

If you've never had any allergy symptoms then you might not have to talk about them with your physician.   It is important to remember, that you can acquire allergies at any age, so if you ever do have the symptoms of allergies, talking to your physician could assist you to relieve those symptoms. If you ever have a major allergic reaction, you had better see your physician and talk about how to avert such attacks in the future and how to address them whenever they do come about.

If you do determine that you have allergies, life style alterations and medicines are available to assist you to cope with the allergies. There's no reason to endure with allergies when a few simple life style alterations could assist you to live symptom free.

The symptoms of an allergic reaction depend upon what allergen the body is hypersensitive to. Symptoms for seasonal allergies to pollen or other airborne allergens are itchy eyes, runny nose, headaches, sneezing, wheezing and coughing. Food allergies symptoms can vary in severity. Some symptoms are, nausea, skin rash, vomiting, asthma and diarrhea. A major allergic reaction would have symptoms such as trouble swallowing, rash all over the body, or unexpected drop in blood pressure. For all of the hundreds of other allergies the symptoms range from moderate to grave. Someone with an allergic reaction might experience heart palpitations, pulsing in the ears, weight loss or gain, swelling, hives, itching, loss of bladder control, or numerous other symptoms not cited.