2 doctors weighed in:

What causes a sinus infection?

2 doctors weighed in
Dr. Robert Ramirez
Internal Medicine - Allergy & Immunology
1 doctor agrees

In brief: Microbes...

Microbes: most commonly viruses, and occasionally bacteria.

In brief: Microbes...

Microbes: most commonly viruses, and occasionally bacteria.
Dr. Robert Ramirez
Dr. Robert Ramirez
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