As your symptoms suggest you are suffering with ulcerative colitis. Get one colonoscopy to confirm.
Panchakarma have best solutions for this you will be relieved in 15 days @ Dr.Ahmed's Ayurvedic Hospital, Hyderabad
Next Steps
colonoscopy, Serum amylase/Lypase, CBC, ESR
Health Tips
Takes lots of butter milk
Consult for further evaluation