People who have allergic reactions to certain foreign substances may react differently. In fact, the allergy attacks can be mild, moderate or severe - depending on the extent of its effect on the body. Only mild symptoms include itchy, watery eyes, rashes and congestion. This does not spread to other parts of the body. What moderate symptoms, they may spread through the body, such as itching, and difficulty breathing.
Incidentally, all three levels of symptoms of allergy, anaphylaxis the most life-threatening. This is a rare case, but it is so difficult can suddenly affect the whole body. It begins with a sudden itching, swelling of the face or eyes, then progresses more complex symptoms such as cramps, vomiting, abdominal pain, diarrhea and dizziness or confusion, and varying degrees of edema, which swallow and breathing difficulties.
Allergy is caused by an overreaction of the immune system in response to contact with various contaminants. Therefore, it is an exaggeration due to the fact that these contaminants have already seen as harmless, with no clear response in non-allergic people.
Bodies of people with allergies to identify these contaminants and activate the immune system, part of the system. Allergens invited to allergenic substances in manufacturing. This includes dust mites, pollen, hair, molds and certain foods and medicines.
In North America, an estimated 50 million people who suffer from allergic diseases. In the U.S., the cost of allergies is estimated at more than 10 billion dollars per year. In fact, it appears that nearly 35 million Americans suffer from allergic rhinitis for about 6 million are children.
As for asthma, there are approximately 15 million Americans suffer from this condition, while 5 million are children. Thus, the number of asthma cases is also seen that have doubled in the last twenty years.
With the different types of allergies, hay fever is the most common. Allergy symptoms of this condition are red, stuffy nose with thin, clear discharge and sneezing, runny nose, water eyes bloodshot, fatigue, feeling plugged ear, having trouble sleeping, and itchy nose, ear, soft palate, skin or eyes.
Another term for hay fever is allergic rhinitis. This refers to allergic reactions in the atmosphere, outdoor materials such as mold and pollen. These may affect your body once they penetrate the skin, by ingestion or inhalation. Now there are many medications for allergy symptoms. People with hay fever may resort to taking antihistamines for rapid and short-term relief, but this medicine may cause drowsiness or lethargy. For a 24-hour protection in the long run, it can take cetirizine hours before going to sleep at night. You can guarantee freedom from allergy attacks for a whole day.
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