If you mean Septum (between your nostrils), yes it hurts, it's one of the most painful piercings. I don't know about a standard nose piercing though. I'd assume it's pretty up there on the pain scale as well.
Because
No, they do not hurt if used properly. When using, be sure to read the directions for all electric nose-hair trimmers.
not at all
she fell on her nose
No it doesn't hurt and I know this because a friend of mine had both pierced but it would hurt like the nose pierce
no only if your nose is really sensitive
Other then an increased risk of infection, no.
Sensitivity.
Omigod, DUHHH!
Go to the doctor!
it doesnt matter what side you get it, its the same amount of pain.. i didnt think it hurt untill i got to the last layer and that wasnt bad
your nose will probably hurt, that's about it