The relationship between rhinitis and asthma has long been known empirically in medical science. It is not uncommon for an asthmatic patient to present in the spring with allergic signs in his upper respiratory tract. The same thing happens in reverse.
Now, where does this intrinsic link reside? For some researchers it is a common origin that is in the immune system; for others, it is the similar shape of the respiratory mucosa that is shared between the bronchi and the nose. Let’s see more about it.
What is rhinitis?
A rhinitis is an inflammation of the lining of the nose. It can respond to various etiological agents, but the end result is always an increase in size due to the accumulation of fluids and inflammatory cells based on an external agent or an internal stimulus.
There are infectious and non-infectious rhinitis. In the first case, a microorganism invades the nose and infects it, either a virus or a bacteria. The body reacts to colonization and sets in motion mechanisms for the expulsion of the intruding agent. That determines the inflammation.
In the case of non-infectious rhinitis, the most common is the allergic form, which is the one that appears to a greater extent in asthmatic patients. Without being a virus or a bacterium, the external agent is a particle that is recognized as foreign and is attacked. In times of plant sprouts, pollen is usually one of the causes.
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