A nose piercing bump can be caused by a keloid, a granuloma, tissue damage, and more. An allergy to the metal in your piercing, especially nickel or cobalt, can also cause a bump. A granuloma will ...

Did you recently get your nose pierced? New nose piercings during the summer are more likely to cause redness, irritation, and skin infections. It can cause a swollen nose for 3-5 days.