• search icon
  • head icon
  • information icon
  • group icon
  • page icon
  • close icon


SNIPSTART Find A Radiation Oncologist

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
  • Blood in urine
  • Low blood counts
Less likely
  • 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

  • Urinary frequency/urgency
  • Blood in urine
  • Urethral stricture
  • Loose stools/diarrhea
  • Rectal bleeding

Less likely

  • Decreased erections
  • Sterility/infertility
  • Cancers caused by radiation (very unlikely)