A sinus infection (sinusitis) is caused by a virus or (sometimes) bacteria that creates swelling in the nasal passages. Oftentimes, sinus infections come with or after a viral upper respiratory ...

Medically reviewed by Sukaina Hasnie, MD If you're experiencing pain and pressure in your sinuses, you might be quick to ...

In some cases, bacteria — or, rarely, fungi — may cause a sinus infection. The type of sinus infection you have depends on how long it lasts and how often you get it. Symptoms of acute ...

Sinus infections tell a completely different story. They typically start when viruses, bacteria, or sometimes fungi invade the sinus cavities. These microorganisms set up shop in your sinuses ...

When to Use and Avoid Antibiotics and Other Treatments to Try Medically reviewed by Kimberly Brown, MD Sinus infections that do not clear up on their own may need treatment with antibiotics.

But in some cases, viral sinusitis can burgeon into a bacterial sinus infection. The reason: “We all have bacteria that live in our nose and our sinuses normally,” says Ahmad Sedaghat ...

This distinction matters because treating allergies with antibiotics won’t help and might contribute to antibiotic resistance, while attempting to fight a bacterial sinus infection with allergy ...

A woman spent seven years suffering from relentless sinus infections that baffled doctors until they took culture samples from her nose and finally cracked the case. According to social media ...

I t can be difficult to tell the difference between a cold, a bacterial sinus infection, and allergies. Getting a stuffy nose ...

A Texas woman died from a rare brain-eating amoeba after using tap water in a sinus rinse, a CDC report says. Here's what to ...