I'm having dull cramp like pain on the lower right of my stomach as well as dull cramp pain on the low right of my back. no uti pain. no fever?

Acid reflux: Acid reflux, strain, peptic ulcer, appendicitis, kidney stone, arthritis, gall stones, herniated disk are among many causes. See physician for evaluation.

See your doctor: This could be due to a number of different causes, such as ovarian cysts, appendicitis, or even UTI (pain is symptom of some uti's). Call your doctor to schedule an appt for eval.