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Radiation treatment uses high-energy rays or radioactive material to kill cancer cells or to keep them from growing.
In internal treatment, your doctor puts an implant of radioactive material into your body. It is placed into or near the cancer so it can kill the cancer cells near it. The material may be left in place or taken out later. The treatment normally does not make your body radioactive. Your doctor will tell you if you can get close to people without exposing them to radiation. Internal treatment is also called brachytherapy (say "bray-kee-THAIR-uh-pee").
The length of treatment depends on the type of cancer you have and the type of radiation. The treatment itself is painless. But it can cause some side effects like fatigue, nausea, vomiting, and diarrhea. Areas inside your body can get sore. Most side effects usually go away after treatment ends. But you may feel very tired for 4 to 6 weeks after your last treatment. Talk to your doctor about ways to treat the side effects.
Follow-up care is a key part of your treatment and safety. Be sure to make and go to all appointments, and call your doctor or nurse advice line (811 in most provinces and territories) if you are having problems. It's also a good idea to know your test results and keep a list of the medicines you take.
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Current as of: March 1, 2023
Author: Healthwise Staff
Medical Review:Adam Husney MD - Family Medicine & Kathleen Romito MD - Family Medicine & Jimmy Ruiz MD - Hematology, Oncology
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