Can a persistent cough after a cold become cough variant asthma?
Cough after a cold has been bad, will it develop into cough variant asthma? What can be done to prevent it? Let's answer the questions one by one.
Can a cough develop into asthma after a cold?
First of all, a persistently bad cough after a cold can develop into cough variant asthma. Variant asthma is a special type of asthma in which cough is the only or main clinical manifestation without obvious symptoms or signs such as wheezing and shortness of breath.
With the control of inflammation, the symptoms of most people gradually improved, and a small number of people did not heal for more than 8 weeks, eventually causing cough variant asthma.
How is cough variant asthma diagnosed?
When the cough persists, it is necessary to exclude whether there is chronic bronchitis, and there are also symptoms caused by allergic cough. You can go to the hospital to take a chest X-ray to see if there is inflammation of the trachea or lungs, and then carry out targeted treatment.
When the diagnosis of cough variant asthma is made, the lung function test can be improved, or the variation rate of PEF value can be monitored by oneself. When cough symptoms recur and lung function problems occur, then it is likely to be cough variant asthma.
How to prevent variant asthma?
▶ Reduce smoking, preferably quit smoking
Smoking in pregnant women increases the risk of asthma in their future children. For children, if two or one of their parents smoke, the risk of asthma in their children also increases.
▶Maintain a good indoor environment
Infants and young children are most closely related to the indoor environment, and they have to stay indoors for a long time. The airtightness of modern buildings, new building materials and the update of indoor furniture will expose infants and young children to allergens and indoor environment for a long time. chemically irritating odor.
▶Keep away from harmful outdoor environment
Outdoor environments vary widely around the world, and while nitric oxide itself does not directly increase the prevalence of asthma, its damage to the airway epithelium can make it easier for other antigens to enter the deep airways and into the lungs.
▶Choose a good working environment
It has been confirmed that the occurrence of occupational asthma can be effectively avoided through primary prevention. Substances in the working environment of certain occupations can sensitize or stimulate the airways and induce occupational asthma. If effective preventive measures can be taken in time to prevent occupational asthma. Avoid, can prevent the occurrence of occupational asthma.
