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FIND A RADIATION ONCOLOGIST

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Side Effects

This list doesn't represent all of the possible side side effects. Please talk to your radiation oncologist about your specific diagnosis to learn more about how likely these side effects may be for you.

View the visual side effects chart.

Short term side effects

Side effects are usually temporary and usually go away shortly after treatment ends. Below is a list of possible side effects you might notice during your treatment.

More likely
  • Urinary frequency/urgency
  • Straining to urinate
  • Fatigue
  • Loose stools/diarrhea
  • Rectal urgency
Less likely
  • Blood in stool
  • Blood in urine
  • Skin redness/irritation
  • Hair loss (in the treated area)

Long term side effects

After the short-term side effects of radiation therapy resolve, others may become noticeable months or years later.

More likely
  • Erectile dysfunction (temporary or permanent)
  • Urinary frequency/urgency
  • Rectal urgency
  • Loose stools/diarrhea
  • Rectal bleeding
Less likely
  • Blood in urine
  • urethral stricture
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