According to the Harvard Medical School Family Health Guide not less than 35 million Americans are suffering from nasal allergy or allergic rhinitis.
In view of the cause of nasal allergy, white blood cells secrete an antibody called immunoglobulin E as a defense agent.
This antibody fights against virus, bacteria, and other microorganisms that enter the body.
When this immunoglobulin E attaches the mast cell (a connective tissue cell), a chemical compound called histamine will be secreted, which is the main cause of nasal allergy.
Excessive histamine in the blood causes blood vessel in the nose tissue swollen and leaky. This swelling of the blood vessel causes congestion inside the nasal passage and leaky fluid causes runny nose.
When this nasal allergy becomes chronic, mucous membranes develop itching and inflammation.
As the main cause of nasal allergy is histamines, in order to obstruct the reaction of histamines and to reduce the severity of nasal allergy symptoms, researchers developed anti-histamine drugs like loratadine, fexofenadine, terfenadine, diphenhydramine, chlorpheniramine, clemastine, etc.
Currently, there are many over-the-counter drugs that can alleviate the nasal allergy symptoms for short period of time.
Nevertheless, some orally taken drugs like diphenhydramine, chlorpheniramine, and clemastine can cause drowsiness. Fexofenadine and loratadine will be less drowsy.
On the other hand, drugs like terfenadine and astemizole will not cause any side effects, but can interact with antifungal and antibiotic drugs. Likely, some drugs can interact with herbs and food.
However, nasal sprays can be used for this allergy, but they have some side effects like yeast infection in the nose, dryness inside the nasal passage, infection in the throat, bleeding nose, etc.
Since inflammation accompanies the nasal allergy, corticosteroids help to reduce the inflammation and irritation in the nasal passages. Corticosteroid is a hormone produced by the adrenal gland in the body. If the hormone level is low, it causes the body to be hypersensitive.
As the nasal allergy is because of low level of corticosteroids, application of corticosteroid hormone topically on the mucous membranes as a nasal spray or if taken orally can prevent the inflammation and irritation of mucous membranes of the nose.
Long-term use of drugs can cause severe side effects and remember that these drugs cannot cure nasal allergy completely instead relieve symptoms for short period.
Most of the people feel that nasal allergy is not a serious problem. This allergy if not treated properly can lead to various illnesses such as asthma [Natural Asthma Remedies], sinusitis, middle ear infection, snoring [Prevent Snoring], headaches, cold, and many more.
Persistent nasal allergy can grew polyps to very big size in the nasal passage, which needs nasal operation. On the other hand, prolonged oxygen deficiency in the body will lead to heart attack, cancer, and many more.
Yoga therapy also helps to reduce the nasal allergy. Since yoga is natural and does not have any side effects, practicing yoga from good instructor helps alleviate many illnesses.
So as to avoid nasal operations or incurable asthma, begin to maintain nasal health before it becomes critical.