Radiation Therapy
Some patients have nausea for several hours after treatment. The health care team can suggest ways to help patients cope with this problem. Radiation therapy also may cause patients to become very tired as treatment continues. Resting is important, but doctors usually advise patients to try to stay as active as they can
In addition, radiation therapy commonly causes hair loss. Hair usually grows back within a few months. Radiation therapy also may affect the skin in the treated area. The scalp and ears may become red, dry, and tender. The health care team can suggest ways to relieve these problems.
Sometimes radiation therapy causes brain tissue to swell. Patients may get a headache or feel pressure. The health care team watches for signs of this problem. They can provide medicine to reduce the discomfort.
Radiation sometimes kills healthy brain tissue. This side effect is called radiation necrosis. Necrosis can cause headaches, seizures, or even the patient's death.
In children, radiation may damage the pituitary gland and other areas of the brain. This could cause learning problems or slow down growth and development. In addition, radiation during childhood increases the risk of secondary tumors later in life. Researchers are studying whether chemotherapy may be used instead of radiation therapy in young children with brain tumors.
Side effects may be worse if chemotherapy and radiation therapy are given at the same time. The doctor can suggest ways to ease these problems.
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