the nail on my pointer finger on my left hand is slowly but surely falling off...it started off as an itch and then i poked it with a scalpel and puss came out...not too long after i started to feel like i just wanted to rip the nail right off and as i was trying to scratch around it i caught the end of my nail and it came up...i cut the rest off with a nail clipper...with still some nail left just hanging on for dear life i have exposed nail bed that tends to get itchy and it looks like there may still be puss inside...im concerned that my nail wont grow back...it doesnt hurt...just itches every now and again...my question is should i go see a doctor about it or will it grow back fine on its own...and if it does grow back how long will it take?