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Common Radiation Therapy Side Effects

 
 
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How will radiation therapy affect my skin?

During your treatment, radiation must pass through your skin. You may notice some skin changes in the area exposed to radiation. Your skin may become red, warm and sensitive — as if you had a sunburn. It may also become darker and appear tanned. It may peel or become moist and tender. Depending on the dose of radiation you receive, you may notice a loss of hair or decreased perspiration within the treated area.

These skin reactions are common and temporary they will subside gradually within two to four weeks of completing treatment. If skin changes appear outside the treated area, inform your doctor or primary nurse.

How can I reduce skin reactions caused by radiation therapy?
  • Gently cleanse the treated area using lukewarm water and a mild soap such as Ivory, Dove, Neutrogena, Basis, Castille, or Aveeno Oatmeal Soap. Do not rub your skin. Pat your skin dry with a soft towel or use a hair dryer on a cool setting.
  • Do not scratch or rub the treated area.
  • Do not apply any ointment, cream, lotion, or powder to the treated area unless your radiation oncologist or nurse has prescribed it.
  • Do not apply cosmetics, shaving lotions, perfumes, or deodorants on the treated area.
  • Use only an electric razor if you need to shave within the treated area.
  • Do not wear tight-fitting clothing or clothes made from harsh fabrics such as wool or corduroy—these fabrics can irritate the skin. Instead, choose clothes made from natural fibers such as cotton.
  • Do not apply medical tape or bandages to the treated area.
  • Do not expose the treated area to extreme heat or cold. Avoid using an electric heating pad, hot water bottle, or ice pack. Wear protective clothing in cold weather to protect your skin from cold winds.
  • Do not expose the treated area to direct sunlight—sun exposure may intensify your skin reaction and lead to severe sunburn. Wear a large-brimmed hat or protective clothing to minimize sun exposure. Choose a sunblock/sunscreen of SPF 15 or higher. Protect yourself from direct sunlight even after your course of treatment has been completed.
Why are there marks on my skin?

Small marks resembling freckles will be tattooed on your skin along the treatment area by the radiation therapist. These marks provide a permanent outline of your treatment area. Do not try to wash these marks off or retouch them if they fade. The therapist will re-mark the treatment area when necessary.

Will radiation therapy make me tired?

Everyone has a different level of energy, so radiation treatment will affect each patient differently. Patients frequently experience fatigue after several weeks of treatment. For most patients, this fatigue is mild. However, a loss of energy may require other patients to change their daily routine.

If your doctor thinks it may be necessary for you to limit your activity, he or she will discuss it with you.

To minimize fatigue while you are receiving radiation treatment:

  • Be sure to get enough rest.
  • Eat a well-balanced, nutritious diet.
  • Pace your activities, and plan frequent rest periods.
Will radiation therapy affect my sexual desire?

The effects of radiation therapy on sexual desire are diverse. Some patients may not experience any changes during their treatment, while other patients' desires change. Some people find their treatment experience draws them closer to their partner and increases their desire for sexual activity. Others may consider sexual activity less important during their illness. There is no "typical" response.

Changes in sexuality are often related to the way we think we look to others. Changes in our energy levels and anxiety about survival, family or finances are natural feelings that can sometimes place a strain on normal expressions of sexuality.

If you were comfortable with and enjoyed sexual relations before receiving treatment, chances are you will continue to find pleasure in such intimacy during your treatment.

Feel free to discuss your concerns with your doctor or nurse. Although your sexual needs and desires are personal concerns, many people have found the following advice helpful:

  • Seek information.
  • Open the lines of communication: Share your feelings with people who care about you.
  • Explore new forms of expression.
  • Recognize that you are not alone.

For more information, please call the American Cancer Society at 800.227.2345.

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This information is provided by the Cleveland Clinic and is not intended to replace the medical advice of your doctor or health care provider. Please consult your health care provider for advice about a specific medical condition. This document was last reviewed on: 8/15/2007...4049