burning sensation usually refers to having an infection. however the passage of blood can be due to the passage of stone.
pain can be due to the movement of the stone in the ureters which will cause pain.
pain in the stomach can be due to the pain killers you might be taking for stones.
i would advise you to get yourself a thorough medical examination including blood calcium levels, urine microscopy, culture and also a gastroscopy to rule out gastritis
if the symptoms worsen contact your emergency number.
i hope i have answered your query.