I have ulcerative pan colitis and have been bleeding from my rectum. how do i stop the bleeding?

Medical treatment: See a gastroenterologist to treat you with the proper medications. If severe bleeding does not resolve, then surgery for colon resection may become necessary.

Call ur doctor: It usually mean you have a flare up in your uc. Your doctor will give appropriate medical treatment to control bleeding. If uncheck you can be very anemic from persistent bleeding.