Side Effects
Since radioactive seeds are placed directly into the prostate gland there
is minimal radiation to the surrounding normal tissue. However, this small
amount of radiation may cause side effects.
The two most common side effects involve urinary symptoms. You may need
to urinate as often as one or more times an hour. This usually begins two
to four weeks after the implant and can last several months or more. If
needed, your doctor can prescribe medication to decrease the frequency of
urination. You may also have some burning on urination beginning two to
four weeks following the implant. The burning sensation is usually not severe
and may last about four to twelve weeks.
It is also possible to experience temporary changes in your bowel habits
because of irritation to the rectum. These changes include more frequent
bowel movements and soft stools. Symptoms may begin one week after implantation
and can last several months or more. You may also experience worsening of
hemorrhoidal symptoms, rectal discomfort, or mucous discharge. On rare occasions,
rectal ulcers may develop; they usually heal without any additional therapy
or complications.
Although it is difficult to predict who will be affected, some men may
notice a change in the strength of the erection or a change in the amount
or consistency of the ejaculate. About 20 - 40 percent of the men who receive
implants develop impotence within five years after the procedure. If this
happens, there are several treatment options available.
If you have any questions about these late side effects of treatment,
please discuss them with your physician.
For more information, please refer to our Frequently
Asked Questions section.
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