Talk to General Physician on Right Said Pain

I am having pain in the marked area on right side. The pain feels like some nerve is getting pressed (a strong thrashing pain comes and goes away every other second). Mild pain goes to the legs plus I am having clear discharge too There is no pain in urinating I do have gaestric issue The pain increase while climbing stairs I got my ultrasound done last month of lower abdomen but everything is clear Medicines I am taking is spasfon and cranmax but don’t know the root cause