A variety of health conditions — most of which are related to your sinuses — can trigger a rotten smell in your nose. Most are not serious, but some are life threatening.

Whiffing nasty things is a part of life—but a foul nose shouldn’t be. ENT doctors explain the reasons for a bad smell in your nose and how to get rid of it.

Your nose is part of your respiratory system that filters breasted-in air and assists with your sense of smell. Learn more about nose anatomy and functions. Skip to main content .

Whiffing nasty things is a part of life—but a foul nose shouldn’t be. ENT doctors explain the reasons for a bad smell in your nose and how to get rid of it.

Causes of a bad smell in the nose include sinusitis, mouth or tooth infections, and certain foods and drinks. Learn more about what might cause a bad smell in the nose, and what to do about it, here.

People can lose the ability to smell chronic bad breath — when the nose smells an odor so often that it loses the ability to smell it at all. Accessibility statement Skip to main content.

What Is Nose Blindness? During the COVID-19 pandemic, conditions like parosmia, a distorted sense of smell, and anosmia, the inability to smell or detect odours, became more common than ever.

Researchers at Mass General Hospital believe your nose knows a lot of very important information about your brain.Which is why they recently introduced a new test that uses your sense of smell to ...