This is a super old thread but I thought I'd add a footnote.
Many people think that "the bump" is a keloid, when much more often it's something called hypertrophic scarring. The difference is explained in Elayne Angel's The Piercing Bible (or see the troublehooting section of her website for free).
Hypertrophic scarring can be reversed by using a bandage to create pressure on the scar, flattening it out. This method is recommended by dermatologists and is described in detail in The Piercing Bible. Another option is the use of a topical over the counter steroid cream (some people use this as a last resort).
True keloids (much less common) can continue to grow for years and may require surgical removal; people who get keloids should not get piercings. If someone in your family has a history of keloids, you may be at risk.
I had a lot of trouble with hypertrophic scarring with my cartilage piercings in the 80s, before proper piercing care was known about. It's been in issue with my two month old nostril piercing, too. When I keep it clean (diluted unscented Dr. Bronner's liquid soap followed with a warm rinse and a dab of neosporin CREAM - not ointment, use ice if there's redness or swelling, use long warm rinses when there isn't, and avoid touching it, it seems to do much better.
When I bump it or start to touch it or play with it, within a couple of days I have trouble. I don't plan on switching out my jewelry topper (I have a threadless labret stud in) for at least another four to six months.
Best wishes with your new nose decoration! Hope you'll enjoy it.
Last edited by Holistik; 06/29/14 10:59 PM.