You need to go see a professional body piercer and explain your situation and let them have a look at what you have done. They will if possible help you out, to a point, but there is a limit to what professional body piercers will do for free.
clean it everyday with H2ocean and go to the hospital
You have to keep this piercing very clean, to prevent infection,so you should not put anything in your nose.
yes, it's very normal. Just clean it regulary -- don't over-clean since that can lead to infection. but puss around it should minimize or go away complelty in a few weeks
Clean it according to the guidelines on wiki.bmezine.com
If the jewellery was clean you should be o.k.
You should always clean it, for as long as you have it pierced, because your mouth is one of the dirtiest places on your body, there is a lot of bacteria in your mouth so it could get infected easily.
Apply anti-septic to the pierced ears. (if that is what you are talking about) it will stop any infection from starting or continuing.
You go to a professional and get it pierced properly. And in the meantime, keep the area clean to avoid infection.
Cuts and other open wounds should be kept clean to avoid infection.
Is it red or swollen?, if so it could be rejecting.. if not do you clean it regularly ? Oral piercings are susceptible to an infection. if it is really concerning you go to your doctor... or wait for four days to clean it more often then what you cleaned it then if it still hurts i suggest you go to where you got it pierced and ask them to check it out, but if that don't help see you doctor and if it is infection then your doctor might suggest that you take it out
To keep the pierced ears and surrounding area clean and free from infection, use anti-bacterial soap and water to wash twice a day. Keep turning the earrings as well as taking them in and out.
It depends on what kind of jewelry that you are wearing. The person that pierced you should have the best information on what to use.