They can be similar: Chronic rhinitis can sometimes lead to chronic .sinusitis. Yes, symptoms can be similar. Clear drainage which comes/goes often means an allergy. Endoscopy is usually only done when the symptoms are more severe and last for many weeks....and have not responded to different treatments. It does not always mean an infection. I would recommend you seeing an allergist for an evaluation.
Answered 12/28/2020
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A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
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