They don't. Navel piercings tend to be pretty low on the pain scale though. The soreness that comes with healing will most likely be more bothersome than the actual piercing.
you can never really take it out for more than a couple hours, as it always closes in. Ive had mine for 5 yrs and sometimes i leave it out for too long and its hard to get it back in. if your talking...
It depends on how old the piercing is, if it's over a year old you can go a couple of days. If it's under a year old then a couple of hours, the newer the piercing is the less time you have with it...
In the hands of a professional body piercer in a licensed and inspected facility the act of navel piercing is clean simple and next to painless. You are asking someone to preform a piercing on you,...
If it's new, its just part of healing. If not, it could be from hitting it or even getting sick/allergies. Just soak it in warm water and keep cleaning it as normal. If its old, you might wanna...