HI PLEASE CAN YOU HELP ME FOR THE LAST FEW

HI PLEASE CAN YOU HELP ME FOR THE LAST FEW WEEKS I HAVE HAD CRAPS IN TUMMY ONLY WHEN I NEED TO POO BUT WHEN I GO IT IS THE SIZE OF MY FINGER NAIL AND THEN CRAP GOS. I HAVE TRYED BUSCOPAN CRAMPS PAIN A BIT BETTER BUT ALSO FILL IT MITE BE BIULD UP OF WIND ALSO WHEN I BRAKE WIND PAIN GOS. NOW WHEN I GO HAD SOME JELLY IN STOOL. THANKS