Hello and welcome.
Short answer:
UTI, ureteric colic or acute appendicitis
Detailed answer:
1)
urinary tract infection may present like this. For which test like urine R/E an
ciprofloxacin, urine alkalanizing agent, excessive fluid intake will help you.
2) a stone or concretions in the kidney or ureter may cause such symtoms. An ultrasound abdomin and xray K.U.B is needed. Drugs like ciprofloxacin,
drotaverine, painkiller, excessive fluid is advised, in case of a stone more than 5mm size
surgical treatment will be needed.
3) acute appendicitis will present sever pain in right lower abdomin, with nausea and vomitting, appendicectomy is required in such case.
If i was in your case i would rush to emergency room.
I suggest you to get an ultrasound abdomin, urinalysis and full blood count, then meet with a
general surgeon.
I hope this helps you.
Thanks for asking healthcaremagic.