Constipation is the difficult, infrequent passing of hard stool. For those with constipation, an urge to defecate may be also be present. Constipation can have a wide effect on the body and cause many complications.
A loss of appetite is a decreased desire to eat. If unchecked, appetite loss and the corresponding weight and muscle mass loss can cause a more serious condition called “cachexia”, or wasting away of the body.
Mouth sores occur when the lining inside the mouth breaks down and causes sores to form; this may lead to infection and mouth sensitivity. It most commonly occurs as a result of chemotherapy and radiation therapy for mouth cancer.