Topotecan is available as a pill you can swallow or as an intravenous (IV) medicine.
How It Works
Topotecan is a topoisomerase inhibitor that stops the growth of
cancer cells by preventing cell division.
Why It Is Used
Topotecan is used to treat
ovarian cancer, cervical cancer, and
How Well It Works
Topotecan is an effective antitumor medicine. But the type
and extent of a cancer determines how effectively this medicine slows or
stops the growth of cancer cells in the body.
All medicines have side effects. But many people don't feel the side effects, or they are able to deal with them. Ask your pharmacist about the side effects of each medicine you take. Side effects are also listed in the information that comes with your medicine.
Here are some important things to think about:
- Usually the benefits of the medicine are more important than any minor side effects.
- Side effects may go away after you take the medicine for a while.
- If side effects still bother you and you wonder if you should keep taking the medicine, call your doctor. He or she may be able to lower your dose or change your medicine. Do not suddenly quit taking your medicine unless your doctor tells you to.
Call 911 or other emergency services right away if you have:
Call your doctor right away if you have:
Fever, chills, body aches or flu symptoms.
- Severe diarrhea with fever or stomach pain.
- Easy bruising or bleeding.
- Unusual weakness.
- White patches or sores inside your mouth or on your lips, or other signs of infection.
Common side effects of this medicine include:
- Decreased white blood cell counts. Red blood
cell counts and platelet counts can also be reduced.
vomiting, and loss of appetite.
- Diarrhea or
- Changes in liver function tests.
See Drug Reference for a full list of side effects. (Drug Reference
is not available in all systems.)
What To Think About
Topotecan should only be administered under the supervision of a
Do not use this medicine if you have:
And do not use this medicine if:
- You have serious bone marrow depression and your blood cell count is low.
- You are pregnant or breast-feeding.
While you are taking this medicine, don't get any "live" vaccines. Also, stay away from anyone who has recently had a live vaccine.
Complete the new medication information form (PDF)(What is a PDF document?) to help you understand this medication.