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An upper respiratory infection like the common cold, the flu, or COVID-19 ... Productive vs. nonproductive cough. You can further drill a cough down into a productive or nonproductive cough ...
Dr. Leana Wen: I would approach this question by thinking about whether what you would do for yourself or your sick loved one would change if you knew the specific pathogen. Your actions would ...
Rhinorrhea is especially common in cold weather. Cold-induced rhinorrhea occurs due to a combination of thermodynamics and the body's natural reactions to cold weather stimuli. One of the purposes of nasal mucus is to warm inhaled air to body temperature as it enters the body; this requires the nasal cavities to be constantly coated with liquid ...
There are a few telltale differences between spring allergy symptoms and a COVID-19 infection. But if you're fully vaccinated, the line can get blurry.
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 ]
A cough is a sudden expulsion of air through the large breathing passages which can help clear them of fluids, irritants, foreign particles and microbes.As a protective reflex, coughing can be repetitive with the cough reflex following three phases: an inhalation, a forced exhalation against a closed glottis, and a violent release of air from the lungs following opening of the glottis, usually ...
Congested? Have a runny nose? It can be hard to tell if you have a cold, allergies, COVID-19, or something else entirely. Here's how to figure out.
The term ILI can be used casually, but when used in the surveillance of influenza cases, can have a strict definition. The World Health Organization defines an illness as an ILI if the patient has a fever greater than or equal to 38 °C and a cough, which began in the last 10 days.