CONSTIPATION – CAUSES
Constipation can also be caused by cancer directly, through partial or complete blockage of the bowel. Constipation due to blockage is often accompanied by pain and sometimes by passage of blood and/or small amounts of slimy fluid through the back passage. If the blockage is right down near the rectum you may feel as though you want to open your bowels all the time. This is because a growth inside the rectum or pressing on it can feel just like a motion always waiting there. I think it is easier to cope with this unpleasant symptom if you understand what is causing it. Of course, if you have hard motions in the rectum which you cannot pass without help, you can get exactly the same symptoms—a feeling as though you want to go all the time, but when you do, you pass only small amounts of slimy fluid. These symptoms are sometimes mistaken for diarrhoea, which can be disastrous— obviously treating it as diarrhoea can make it much worse! This mistake should never be made because it is very easy for a doctor or nurse to tell one from the other simply by checking inside your rectum with a gloved finger.
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