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Published on: 5/22/2025

What Are the Side Effects of Radiation Therapy for Prostate Cancer?

Kenji Taylor

Reviewed by Kenji Taylor, MD, MSc

Family Medicine

Radiation therapy for prostate cancer can cause side effects like tiredness, bladder issues, and bowel problems. These effects vary and can be temporary or long-lasting.

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Explanation

Radiation therapy is a common treatment for prostate cancer, but it can lead to several side effects.

Common Side Effects

  • Fatigue: Many patients feel very tired during and after treatment.
  • Bladder Problems: This includes needing to urinate more often or experiencing pain while urinating.
  • Bowel Issues: Diarrhea or discomfort in the stomach area can occur.

Long-term Effects

Some side effects might last longer or show up after treatment ends. These can include continued bowel and bladder issues or changes in sexual function.

While these side effects can be challenging, doctors often have ways to help manage them. It's important for patients to talk with their healthcare team about any side effects they experience so they can get the support they need.

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