Hi, Myself Praveen .. For The Past 2 Days I'm

Hi, myself Praveen .. For the past 2 days I'm having a pain below my rib in my left hand side..I don't have any constipation or any problem with foods or even vomiting ..when I try breathing I can feel it is causing pain and even I can sense it ..

What can be the reason and what medicine I should take so that it cures