Can Allergies Cause Sinus Infections? | Why It Happens
Yes. Allergy swelling can trap mucus in the sinuses, which raises the odds of a sinus infection after a cold or a strong flare. Allergies don’t create bacteria or viruses on their own. What they do is swell the lining of your nose and sinus passages. Once those narrow drainage channels puff up, mucus can […]
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