Abdomen pain. I go for any further test.

I suffer from gerd with gastritis from more than 5 years,but from 25 days I am suffering from cystitis andtook nutribact 100 for 10 days allong with some ayurvedic tablets like varanadi kashayam etc,I was 45 last month but now 41,from past 2 days I am having dull pinching pain in my upper right abdomen above belly button with tenderness.its like gnawing dull pain.today I noticed that after bowel moments my legs have become restless weakness in legs like shivering and my dull pain is it ulcer or anything related to appendix.the usg scan was done recently but am just worried about weight loss and sudden restless legs .is it related to IBS. I am taking one more medicine called ushirasava syrup for uti but my stomach burning is increasing after taking it.should I go for any further test.