Medical News Today said: “Rectal tenesmus, or tenesmus, is a feeling of being unable to empty the large bowel of stool, even if there is nothing left to expel.
“Several medical conditions can cause tenesmus.
“These include inflammatory bowel disease (IBD), colorectal cancer, and disorders that affect how muscles move food through the gut.
“It can be painful, especially if there is cramping or other digestive symptoms. The symptoms can come and go, or they may persist long term.
“Vesical tenesmus is a separate condition that relates to the urinary bladder.
“A person will feel as if they are unable to empty the bladder, even when there is no urine present.”
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