There may be: The respiratory tract includes our sinuses, eustachian tubes and ears, oropharynx, bronchial tubes and lungs. Since it is all connected, it is not uncommon for a sinus infection to eventually "settle in the chest" or vice versa. It's simply the infection spreading beyond its original location.
Answered 10/1/2013
5.2k views
Sinusitis: Greetings. Yes, we treat sinus and pulmonary infections as one airway. Studies have shown a link between upper and lower airway infections.
Answered 3/22/2020
4.6k views
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