Treatment. FAQ. If you have a bump or pimple in or on your nose, you may find it irritating or painful. The most common causes of a bump in or on the nose are acne, bacterial, or fungal infection. A painful bump in the nose could also be caused by trauma from picking your nose or a nose piercing. It is likely that a pimple or acne could develop on the oiliest parts of your nose. If you have the following symptoms, you may have a pimple on your nose: small red spot; spot is slightly raised Your nose is one of the most common sites of acne. Pores in this area tend to be larger in size, so they can clog more easily. This can result in pimples and red bumps that look like cysts. Causes Treatment Should You Squeeze Blackheads? Treatments to Avoid Prevention Blackheads, also called open comedones , are a type of acne. They are flat and—unlike pimples—are not swollen or painful. They usually appear on the face, especially the nose, and are often so small you can't see them. Blocked pores cause blackheads. A pimple in the nose often results from a blocked pore or ingrown nose hair. But, it can sometimes indicate a more severe condition, such as an infection. A pimple in the nose can be XauIe9B.