Side effects of internal radiotherapy (brachytherapy) tend to happen about 1 to It may be that your symptoms are due to something else, such as a bowel or In the long term, radiotherapy can cause shortening and narrowing of the vagina.
In some cases, both brachytherapy and external beam radiation therapy are used . The most common side effect is changes in the lining of the vagina. (Called Rectal irritation or bleeding is called radiation proctitis.
What are the side effects of radiotherapy and brachytherapy? Read about Effects on the bowel or bladder; Effects on the vagina; Menopause.