The inside of the nose contains hair follicles that can become infected with bacteria. As a result, a pus-filled boil or pimple may develop. Boils and pimples can cause pain and irritation.

Nasal furunculosis is an infection of the hair follicles located just inside the nostrils. While often dismissed as a minor ...

At best, a pimple inside your nose is an uncomfortable nuisance ... Usually, it’ll look like a hard boil (a.k.a. nasal furuncle) that’s bigger (and angrier) than a typical whitehead.