ASTHMA

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by WeeKhim
Last updated 3 years ago

Discipline:
Health & Fitness
Subject:
Health

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ASTHMA

Asthma is a condition whereby there is chronic inflammation of the airways. The inflamed airways are more sensitive than normal. No one knows for sure why some people get asthma. However, we do know that when the sensitive airways are exposed to a trigger factor, it over-reacts by releasing chemicals that result in the airways becoming narrowed.This narrowing is due to 2 factors:The muscles around the airways contract or tighten, making the air passage narrow The lining of the airways swells or becomes inflamed and produces excessive mucus secretions which may plug up the airways. Airway inflammation is present all the time, especially in children with chronic symptom

Medication: Preventers:Preventers are long-term preventive medicine to be taken every day. They control swelling in the air passages and make them less sensitive to asthma triggersMedication: relievers:A quick reliever to quickly stop your asthma symptoms to let you breathe easier. They relax the tightened air passages during an asthma attack. Medication: steroids tablets:Short courses of steroid tablets, also called rescue steroids, are necessary to treat acute asthma attacks. They are usually prescribed for 1 to 2 weeks During an asthma attack, steroid tablets are given to quickly control swelling and reduce mucus in the air passages to prevent severe asthma attack.

Disea e

Treatment

What is it?

Irritants: Air pollution can cause breathing problems. Children with asthma have more symptoms during periods of haze. Paint can also induce asthma. Cigarette smoke is particularly bad for children with sensitive airways and should be avoided at all cost. Weather Changes: Sudden changes in temperatures and humidity may worsen asthma. Cold, dry air is a trigger to the sensitive bronchial airway. Exercising in cold air may also increase the symptoms of exercise induced asthma. Drug and Chemicals: Aspirin and other anti-arthritic medicines e.g. ibuprofen (Brufen), diclofenac (Voltaren) may cause asthma in some children. Certain cough mixtures, particularly those containing codeine, may sometimes worsen asthma symptoms. Children with asthma also react adversely to artificial coloring (tartrazine dye), food preservatives (metabisulfite) and monosodium glutamate (MSG). Emotional Factors: Emotional problems on their own do not cause asthma but anxiety, excitement and stress can aggravate the condition. Over-protective parents may create unnecessary anxieties for their children which may in turn lead to emotional and behavioural problems. Parents must discuss such problems with the doctor

Causes

ASTHMA

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Symptoms

Prevention

Wheezing is a high pitched whistling sound that occurs when a child breathes out. This is caused by the air flowing through the narrowed airways. Although this is the most important symptom of asthma, it may not be present in all children. Cough is generally most troublesome at night or early in the morning. This cough can be dry and irritating. Yet others have a wet cough, and may produce whitish or yellowish phlegm. Cough may be the only complaint in a small group of asthmatic children. Shortness of breath may be severe enough to interfere with normal activity, sleep or exercise. It is usually preceded by a respiratory infection. In older children, it may occur after exercise. Chest tightness may be a complaint particularly of the older children after vigorous exercise. This may be mistaken for a heart problem. Presentation of asthma varies from one child to another. While some children are predominantly troubled by wheezing, others may be bothered by a chronic cough.

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