Smelly mucus in the nose, especially when it thickens and seems to drip incessantly down the back of your throat, is a sign of postnasal drip. Normally, mucus helps: keep your nasal membranes healthy. respond to infections.

How do I get rid of a smell in my nose?

Cleaning inside your nose can help

Rinsing the inside of your nose with a salt water solution may help if your sense of smell is affected by an infection or allergy. You can make a salt water solution at home.

Why does my sinus drainage smell so bad?

During a sinus infection, however, your sinuses become swollen and potentially congested. This can trap mucus and all that it has filtered from the air, which can, in turn, lead to some rather unpleasant odors.