Had gallbladder removed 3 months ago for chronic cholecystitis, (no gallstones) now i'm starting to get pains again where gallbladder was and nasuas ?

Cholangitis?: The absence of gallstones points only to some predilection for that part of the body to get infected. So soon after surgery, u cd be developing another infection (especially if u have fevers \ sweating or other symptoms. Alternatively, a rare surgical complication could be developing. I doubt that any surgical equipment was left, but talk2 ur surgeon & primary doctor to get tested & some treatment