External beam radiation uses high-powered beams of energy to kill cancer cells. Beams of radiation are precisely aimed at the cancer using a machine that moves around your body. Radiation therapy for breast cancer uses high-energy X-rays, protons or other particles to kill cancer cells. Rapidly growing cells, such as cancer cells, are more susceptible to the effects of radiation therapy than are normal cells.
New breast cancer radiation therapy shortens treatment, reduces side effects
Side effects of radiotherapy | Breast cancer treatment | Cancer Research UK
Find out about the side effects of external radiotherapy for breast cancer and how to cope with them. Radiotherapy can cause side effects. The effects can start after a couple of weeks of treatment. They continue to get worse during the treatment and after the treatment has finished. A few weeks after treatment they start to get better.
Managing Other Side Effects of Radiation
Many patients are surprised to discover that having radiation therapy is less difficult than they expected, though the radiation used to damage cancer in your body can also damage healthy cells. Just as the benefits of radiation are gradual, you'll usually see a gradual onset of side effects. Not everyone experiences side effects of radiation. But by being ready for these reactions and responding quickly, you and your doctor can minimize their effect on your life.
Skip to Content. Radiation therapy treats many types of cancer effectively. But like other treatments, it often causes side effects. These are different for each person. They depend on the type of cancer, its location, the radiation therapy dose, and your general health.