Yes it isn't uncommon. The piercing may not have jewellery in it however dirt, bacteria and other nasty things can still enter the old piercing site and cause it to abscess Navel piercing sites need to be cleaned regardless of there being jewellery in the piercing or not.
Not usually. It could either be infected or its just the belly button ring you are using.
You can but it is not normal.
A slight pink look is normal. Never ever remove jewellery from a suspected infected piercing!
No, so i suggest that you go directly to a doctor; the piercing could become infected
Your belly button piercing hurts more then a normal ear piercing your belly button piercing is more sensitive then a ear. :]
If its new, give it about a week for the discoloration to disappear. Bruising can be normal especially if clamps were used. If its older, it could be rejecting or even infected. Go to your piercer to figure it out. Don't take the jewelry out. If its infected, you'll need the piercing to stay open so that it can drain.
No that is not normal u are either suffering from it being infected or your going to grow a purple mustache
If your ear in infected it might sting a little, but normal cleaning them, no.
depends what store. usually.... for normal piercing places.... eh.. about likee 30;;
This is normal and just part of the healing phase for your tongue piercing, this will go away in a few days.
it is if you just got it buy if not go get that checked
It all depends on how long you have had your piercing. If it has been more than 1 month, it might be infected. But if it is relatively new, that is perfectly normal. In both cases, just keep cleaning it with a sea salt and water solution and it should be OK. If is persists, go to your piercer, and they should be able to tell you and give you further instructions. Happy Piercing!