സൈനസൈറ്റിസ് വരാനുള്ള കാരണങ്ങൾ

Sinusitis refers to the inflammation or swelling of the tissue lining the sinuses, which are air-filled structures within your face. Irritation from bacterial or viral infections, as well as allergies, can lead to blockage and accumulation of fluid in the sinuses.
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