Flu symptoms: Four key indicators you've developed a sinus infection

“The saltwater will run through your nasal passages and drain out of your other nostril and maybe your mouth,” WebMD stated.

You’re then advised to gently blow your nose to clear out the remaining solution, before repeating the procedure with the other nostril.

How does a sinus infection develop?

“It can happen if the lining of your sinuses and the passages between them become inflamed,” WebMD explained.

The inflammation blocks the sinuses from draining, causing bacteria to build up, leading to a sinus infection.


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