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Its initial symptoms of cough and difficulty breathing are similar to near-drowning, however, near-drowning does not cause viral infection-like symptoms. Furthermore, it can be difficult to distinguish the condition from an acute viral infection at first; unlike viral illnesses, salt water aspiration syndrome tends to improve within a few hours.
Having green, yellow, or thickened phlegm (sputum) does not always indicate the presence of an infection. Also, if an infection is present, the color of the phlegm (sputum) does not determine whether a virus, a bacterium or another pathogen has caused it. Simple allergies can also cause changes in the color of the mucus. [1]
During the summer months, allergies are a common cause of throat irritation. Many individuals have allergies to pet dander, dust, mites, pollen and molds that can trigger an allergic reaction which present with runny nose, red eyes, congested nose and throat irritation. Often a dry cough may also be present. [1]
Treating allergy symptoms with over-the-counter medication, saline spray, and, if warranted, allergy medication or injections from your doctor, may also help reduce GI symptoms as a result.
Phlegm is more related to disease than mucus, and can be troublesome for the individual to excrete from the body. Phlegm is a thick secretion in the airway during disease and inflammation. Phlegm usually contains mucus with virus, bacteria, other debris, and sloughed-off inflammatory cells.
Other causes can be allergy, cold, flu, and side effects from medications. However, some researchers argue that the flow of mucus down the back of the throat from the nasal cavity is a normal physiologic process that occurs in all healthy individuals. [1]
Bronchiolitis typically affects infants and children younger than two years, principally during the autumn and winter. [15] It is the leading cause of hospital admission for respiratory disease among infants in the United States and accounts for one out of every 13 primary care visits. [8]
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