A cough is a reflex (like blinking or sneezing) that propels air out of your respiratory tract to get rid of irritants. According to research, a cough acts as the body’s natural respiratory defence system. If an irritant enters the body, it sends a stimulus to various nerve endings. This interaction is then processed by the brainstem, initiating a cough.
Types of Cough
An acute cough can last for a few days or up to two weeks. As treatment is often not required, it is good to know effective home remedies for cough to relieve any feelings of discomfort. But if the cough persists for more than three weeks, it is best to consult your doctor as it may need medical attention.
Here’s all you need to know about the four types of cough:
1. Wet Cough
When fluid is blocking the airways, a wet cough occurs. Known as a productive cough, it produces an unusual amount of phlegm or mucus. At times, it may also cause breathing problems.
A wet cough starts when viruses (usually cold or flu viruses) or bacteria cause infection in the respiratory system. Mucus production increases to keep the airway lining moist, as well as to protect the lungs from microbes. It also repels irritants to discourage infection.
When someone suffers from a wet cough, “expectoration” or sputum production occurs.
If a wet cough continues for more than three weeks, it’s best to consult a doctor. The doctor will check if the cough is caused by more serious illnesses such as: