What can cause a persistent cough?

persisting cough is generally caused by the effects of upper respiratory infection, such as colds, bronchitis or flu. Other chronic conditions, such as emphysema and chronic bronchitis, can also produce persistent cough. Seasonal allergies, such as hay fever, can cause persistent cough and asthma can cause the same symptom. Viral or bacterial pneumonia can also cause hacker cough.

A dry cough in children may occur when a child experiences symptoms of black cough. Also known as pertussis, black cough is common diseases affecting small children. This infection is caused by the tension of bacteria known as Bordetella pertussis and affects the upper respiratory system. Fits of uncontrollable cough may be present, and this may be an occasional condition that continues over a few weeks or even months.

upper respiratory tract infections caused by conventional colds or flu, commonly known as influenza, can produce persistent coughing from JEdno within two weeks. This is primarily due to the natural defense of the body because it tries to remove mucus or liquid from the lungs. When an individual cough of the lungs, it is known as a productive cough. Dry cough does not produce mucus or fluids.

asthma and allergies on the upper respiratory tract can cause a persistent cough. When an individual suffers from nasal allergies, cough is a way to release foreign matter and irritant. Cough from allergies often persists throughout seasonal symptoms. Many seasonal allergies occur in specific seasons.

Many individuals who are heavy smokers can experience what is known as a "smoker cough". The cough of the smoker is characterized by the persistent cough. When the individual smokes cigarettes for a longer period of time, the irritated effects of nicotine, as well as the excess plegmumulating in the throat, trachea and lungs. They contribute to the smoker to develop a chronic, persistentcough.

ways to treat persistent cough caused by respiratory infections and allergies may include the use of suppressing coughs or expectoranties. The suppressing substances of the cough are useful for checking dry and hatinging coughs. The stander can help release the chest overload, thus increasing the cough more productive. This makes the patient able to effectively discharge mucus from the lungs and bronchial tubes.