Allergies - Causes, Symptoms And Treatment
- Date: 2008-06-29 - Word Count: 546
Share This!
Allergy is a disorder of the immune system often also referred to as atopy. Allergic reactions occur to environmental substances known as allergens; these reactions are acquired, predictable and rapid. Strictly, allergy is one of four forms of hypersensitivity and is called type hypersensitivity. It is characterized by excessive activation of certain white blood cells called mast cells and basophils by a type of antibody known as IgE, resulting in an extreme inflammatory response. Common allergic reactions include eczema, hives, hay fever, asthma, food allergies, and reactions to the venom of stinging insects such as wasps and bees.
Why Do People Get Allergies?
The tendency to develop allergies is often hereditary, which means it can be passed down through your genes. (Thanks a lot, Mom and Dad!) However, just because a parent or sibling might have allergies, that doesn't mean you will definitely get them, too. A person usually doesn't inherit a particular allergy, just the likelihood of having allergies.
What Causes Allergies?
A healthy immune system is balanced between the activity of 2 types of white blood cells, called Th1 and Th2.
Genetic or environmental factors can cause a Th2 dominated response to develop which can lead to allergies.
The use of immunizations and antibiotic therapies and increased pollution leads to Th2 dominance.
Once an imbalance in T cells develops, it tends to be continued by production of chemicals (cytokines) that keep the imbalance in place.
Allergic reactions occur when the immune system misidentifies harmless foreign substances and reacts to them as if they were as harmful. These substances are called allergens. Common pollens, mold spores, house dust mites, cockroaches, and animal dander (shed skin, fur, or feathers) are among the allergens that most frequently cause problems. Allergic reactions to allergens such as insect venom, latex, and certain types of food or medications are more rare.
Allergy Symptoms
For allergy symptoms such as a runny nose, watery/itchy eyes, or sneezing that occur infrequently, most individuals can be treated sucessfully with an oral non-sedating antihistamine such as loratadine (Claritin), desloratadine (Clarinex), fexofenadine (Allegra), cetirizine (Zyrtec), levocetirizine (Xyzal) or or an antihistamine nasal spray such as azelastine (Astelin) to be taken on an as needed basis when allergy symptoms arise.
Allergy Treatment
An effective allergy treatment is a concern for anyone suffering from seasonal allergies or asthma. Like many other medical conditions, allergies are affecting a growing portion of society. Serious diseases like cancer, heart disease and stroke seem to be rising at about the same rate along with allergies.
Topical nasal steroids. This class of allergy medications is probably the most effective at treating nasal allergies, as well as non-allergic rhinitis. There are numerous topical nasal steroids on the market, and are all available by prescription. Some people note that one smells or tastes better than another, but they all work about the same.
Allergies to Pets
Studies show that approximately 15 percent of the population is allergic to dogs or cats. An estimated one-third of Americans who are allergic to cats (about two million people) live with at least one cat in their household anyway. In a study of 341 adults who were allergic to cats or dogs and had been advised by their physicians to give up their pets, only one out of five did. What's more, 122 of them obtained another pet after a previous one had died.
Why Do People Get Allergies?
The tendency to develop allergies is often hereditary, which means it can be passed down through your genes. (Thanks a lot, Mom and Dad!) However, just because a parent or sibling might have allergies, that doesn't mean you will definitely get them, too. A person usually doesn't inherit a particular allergy, just the likelihood of having allergies.
What Causes Allergies?
A healthy immune system is balanced between the activity of 2 types of white blood cells, called Th1 and Th2.
Genetic or environmental factors can cause a Th2 dominated response to develop which can lead to allergies.
The use of immunizations and antibiotic therapies and increased pollution leads to Th2 dominance.
Once an imbalance in T cells develops, it tends to be continued by production of chemicals (cytokines) that keep the imbalance in place.
Allergic reactions occur when the immune system misidentifies harmless foreign substances and reacts to them as if they were as harmful. These substances are called allergens. Common pollens, mold spores, house dust mites, cockroaches, and animal dander (shed skin, fur, or feathers) are among the allergens that most frequently cause problems. Allergic reactions to allergens such as insect venom, latex, and certain types of food or medications are more rare.
Allergy Symptoms
For allergy symptoms such as a runny nose, watery/itchy eyes, or sneezing that occur infrequently, most individuals can be treated sucessfully with an oral non-sedating antihistamine such as loratadine (Claritin), desloratadine (Clarinex), fexofenadine (Allegra), cetirizine (Zyrtec), levocetirizine (Xyzal) or or an antihistamine nasal spray such as azelastine (Astelin) to be taken on an as needed basis when allergy symptoms arise.
Allergy Treatment
An effective allergy treatment is a concern for anyone suffering from seasonal allergies or asthma. Like many other medical conditions, allergies are affecting a growing portion of society. Serious diseases like cancer, heart disease and stroke seem to be rising at about the same rate along with allergies.
Topical nasal steroids. This class of allergy medications is probably the most effective at treating nasal allergies, as well as non-allergic rhinitis. There are numerous topical nasal steroids on the market, and are all available by prescription. Some people note that one smells or tastes better than another, but they all work about the same.
Allergies to Pets
Studies show that approximately 15 percent of the population is allergic to dogs or cats. An estimated one-third of Americans who are allergic to cats (about two million people) live with at least one cat in their household anyway. In a study of 341 adults who were allergic to cats or dogs and had been advised by their physicians to give up their pets, only one out of five did. What's more, 122 of them obtained another pet after a previous one had died.
Related Tags: allergies treatment, allergies symptoms, allergies - allergies causes
Read about Green Tea Benfits Also Read about Green Tea Benfits Directory and Green Tea Benfits, Health Benfits Your Article Search Directory : Find in Articles
Recent articles in this category:
- Dental Insurance For Individual Can Be Of Help At Time
Dental problem may cost one a lot of money and pain. But, practicing a reasonable care could decreas - Personal Trainer For Perfect Health
There is a general misconception that need for a fitness trainer comes for novice or from those who - Varicose Veins - Causes, Symptoms, Treatment
The majority of people after thirty notice the changes that appear with the maturing. In this case t - Scenar Therapy - Self-treatment Or Healing Partnership
Do you want to learn about a device which will help you to ease your pain? If you get this kind of a - Scenar - 5 "no, Nos" Of Scenar
Are you fed up with the pain in your body? Various parts of our body seem to ache due to different r - Scenar Device - 5 Tips On Travelling With Your Scenar (skenar) Device
You might be aware of scenar which has become quite popular these days. This is actually the acronym - Scenar Therapy - How To Treat Your Pet With Scenar
There are many alternative methods of treatment that are being invented these days. Lots of people a - Your Options For The Treatment For Appendicitis
Appendicitis is considered to be a surgical illness. Due to its severe character, the treatment for - How To Choose The Right Copd Medication
Chronic obstructive pulmonary disease or COPD does not have any cure. But with the help of medicines - Septic Arthritis: Infectious Agents Penetrate Joints' Spaces
Another major type of arthritis is septic arthritis, which is also known in various terms like: pyog
Most viewed articles in this category:
- Drugs - the Last Alternative for Adhd in Kids
Anyone over the age of thirty who has grown up with ADHD understands that there was not much help av - Foods To Eat To Gain Weight
Malnutrition has the same degree of problem as obesity. There are people who are too skinny, they fi - Understanding Postpartum Clothing
The same way most pregnant women dream of the day when they will begin showing for wearing maternity - Kegel Exercising for Bladder Control and Enhanced Sexual Pleasure
Kegel exercises strengthen the muscles of the pelvic floor, thereby improving the urethra and/or rec - The Use Of Weight Loss Herbs
Nothing has garnered more attention in today's world than the success or failures of weight loss pro - A Simple Acid Relux Cure
Many people today are afflicted with heartburn. If they eat food that is too spicy, they get heartbu - Five Effective Household Back Pain Treatments
Back pain treatment comes in lots of forms, from exercise to pain mediction. Standard and most wides - Herbal Remedies - Can They Cure What Ails You?
You've probably heard about herbal remedies before and how they can treat a variety of health proble - Natural Relief for Tinnitus - What are your Choices
Natural Relief For Tinnitus - Alternative Options Did you know that there are an estimated 50 t - Birthing Around the World
Since ancestral times, different cultures showed off different customs and beliefs around the miracl