This infection is known to affect the pharynx and larynx, which are known to collectively make up the upper respiratory tract.The common causes for an upper respiratory tract infection are common colds, sinusitis, otitis media and pharyngitis.Allergic rhinitis is a condition that occurs when the immune system responds to a foreign substance called an allergen.
The National Heart, Lung and Blood Institute states that when pneumonia occurs, it causes the air sacs to be filled with fungi and viruses, thereby leading to inflammation, leading to the build-up of mucus and fluid in the airways.
Paroxysmal cough is a condition associated with uncontrollable coughing for long periods of time, resulting in a 'coughing fit'.
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Breathing difficulties are also common among those who are suffering from the problem of cough.
According to the 'Current Medical Diagnosis and Treatment 2009', an upper respiratory tract infection is known to be a common cause of cough and can last for as long as 3 weeks.This condition is associated with inflammation of the airways as well as irritation of the nerve receptors of the airways.This effect is known to cause the individual to cough excessively.Dry cough is commonly known as non-productive cough due to the fact that it produces no phlegm and in some cases, very little phlegm. Hershey Medical Center' states that dry cough mostly occurs as a result of upper respiratory tract infections.Sore throat, tonsillitis, laryngitis, sinusitis, influenza and head colds are common types of upper respiratory tract infections.Weed pollen, grass pollen, mold, animal hair and dust are considered common allergens that trigger symptoms of allergic rhinitis. Elizabeth Corwin states that pneumonia is an infection that affects the lungs and lower respiratory tract and triggers symptoms of coughing.