Hi I Am 68 Lady And Have Had Discomfit In

Hi I am 68 lady and have had discomfit in the lower part of my right hand side of my stomach below my navel near my groin, l have pain if I press it, lt is swollen, I have just had a course of antibiotics 2 weeks ago for cistitis l still have the feeling it is about to return, I have been constipated these last few days , ls there any thing I should do to stop this discomfort
Many thanks
Sue