Notes when using air conditioners for people with asthma
Asthma (also known as bronchial asthma) is a chronic respiratory disease characterized by inflammation of the airway lining, leading to edema, bronchospasm, increased mucus secretion, and increased bronchial reactivity. manage. These factors combine to cause the airways to narrow, causing the patient to experience shortness of breath, wheezing and wheezing.
Asthma is a disease with an allergic mechanism in most cases. The combination of pathogenic allergens in the environment (such as house dust, pollen, temperature changes …) with allergic antibodies in the body triggers an inflammatory response according to the allergic mechanism in the body. airways and cause asthma symptoms.
The incidence of the disease is on the rise in many parts of the world. Currently, there are about 300 million people with asthma in the world and this is likely to increase to 400 million by 2025.
Each year around the world there are about 180,000 to 250,000 deaths due to asthma, an average of 1 in 250 deaths is due to asthma.
After working outdoors, playing sports, suddenly sweating profusely into the air-conditioned room with a temperature that is too different from the ambient temperature, leading to rapid body temperature changes, causing rapid onset of symptoms. exacerbation of asthma in patients with bronchial asthma.
The signs that foretell an asthma attack about to appear are itchy throat, itchy nose, sneezing, coughing, watery eyes, runny nose… After those signs, an asthma attack appears with the following symptoms: wheezing. Severe wheezing both when the patient inhales and exhales, coughs continuously, and breathes very quickly.
In order to prevent an acute asthma attack when using air conditioners, it is necessary to note:
Let the air conditioner temperature not be much different from the ambient temperature (about 4-5°C) and avoid letting the air conditioner blow directly into the sleeping place.
Those who are required to work in central air-conditioned rooms with low temperatures should bring jackets, long-sleeved shirts when working…
Humidity control contributes to a healthy indoor air environment. Air humidity that is too low or too high can trigger asthma.
Leaving a basin of water in an air-conditioned room helps to increase the humidity of the room.
In addition, if using an air conditioner, you should also use a humidifier. But also use only mild humidification, do not let the high humidity easily cause respiratory infections.
Avoid sudden changes:
Avoid letting the air conditioner blow directly into the sleeping area.
When you come back from the sun, sweat a lot, wipe your sweat, sit outside for a while to avoid going into the room to use too cold air conditioning. If you want to go out of the air-conditioned room, you should open the room, stand for a few minutes to get used to the surroundings before going out.
Limit going out, going in between two places where the temperature difference is many times.
It is important to note the time to use the air conditioner for people with asthma:
Sitting in an air-conditioned room all day is absolutely not advisable. People with asthma should not stay in an air-conditioned room for more than 4 hours.
30 minutes before leaving the room, you should turn off the air conditioner, open the room door for air to circulate and let the body gradually adapt to the outside temperature.
You should drop the nose regularly with physiological saline solution to keep the necessary moisture in the body and avoid dry nose.
Eat cooling foods and drinks like orange juice and lemonade.
Drink plenty of water, especially in hot weather, to avoid dehydration.
When sleeping, cover up with a thin blanket, especially covering the abdomen, to avoid dilated pores that easily lead to colds. It is necessary to choose clothes that absorb sweat well, such as cotton.
The ventilation fan should be turned on when using the air conditioner.
When you have symptoms of shortness of breath, chest tightness, you need to go to a reputable medical facility, do not buy drugs for treatment on your own.
Clean the air conditioner periodically, change or clean the air filter monthly, avoiding molds and pathogens residing in the machine.
Rooms with regular air conditioning must also be cleaned.
When the air conditioner is not on, open the room door for ventilation. Because less indoor ventilation can increase the concentration of irritants and allergens in the home.
Clean outdoor air should be allowed indoors to dilute allergens and improve indoor air quality.