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Toposar (injection)

Generic name: etoposide (injection)

Brand names: Toposar

Used for cancer
Last updated November 3, 2026 0 views
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What is Toposar?

Toposar is used to treat cancer of the lung or testicles. It is usually given along with other cancer medicines as part of combination chemotherapy.

Toposar may also be used for reasons not mentioned in this medication guide.

This section was rewritten for readability and reviewed for meaning.

Warnings

Toposar can raise your chances of bleeding or getting an infection. Contact your doctor if you notice unusual bruising or bleeding, or if you have new signs of infection such as fever, sore throat, or trouble breathing.

This section was rewritten for readability and reviewed for meaning.

Before taking this medicine

You should not be treated with Toposar if you are allergic to it.

Tell your doctor if you have ever had kidney disease.

Using Toposar may increase your risk of developing other types of cancer, such as leukemia. Talk with your doctor about your specific risk.

Toposar can harm an unborn baby if the mother or the father is using Toposar.

  • If you are a woman, do not use Toposar if you are pregnant. Use effective birth control to prevent pregnancy while you are using this medicine and for at least 6 months after your last dose.
  • If you are a man, use effective birth control if your sex partner is able to get pregnant. Keep using birth control for at least 4 months after your last dose.
  • Tell your doctor right away if a pregnancy occurs while either the mother or the father is using Toposar.

This medicine may affect fertility (ability to have children) in both men and women. However, it is important to use birth control to prevent pregnancy because Toposar can harm an unborn baby.

You should not breastfeed while you are using Toposar.

This section was rewritten for readability and reviewed for meaning.

What are the side effects of Toposar?

Get emergency medical help if you have signs of an allergic reaction (fever, chills, sweating, hives, fast heartbeats, feeling light-headed, difficulty breathing, swelling in your face or throat) or a severe skin reaction (fever, sore throat, burning eyes, skin pain, red or purple skin rash with blistering and peeling).

Toposar may cause serious side effects. Call your doctor right away if you have:

  • low white blood cell counts—fever, mouth sores, skin sores, sore throat, cough, trouble breathing;
  • easy bruising, unusual bleeding, purple or red spots under your skin;
  • severe ongoing nausea or vomiting;
  • sudden chest pain, wheezing, dry cough, feeling short of breath;
  • upper stomach pain, loss of appetite;
  • vision problems; or
  • a seizure (convulsions).

Common side effects of Toposar may include:

  • low white blood cell counts.

This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

This section was rewritten for readability and reviewed for meaning.

How is Toposar given?

Toposar is given as an infusion into a vein. A healthcare provider will give you this injection.

Toposar is usually given as part of a 4-day or 5-day treatment cycle every 3 or 4 weeks. Follow your doctor's dosing instructions very carefully.

Toposar can be harmful if it gets on your skin. If skin contact occurs, wash the area with soap and water.

Toposar can increase your risk of bleeding or infection. You will need frequent medical tests. Your cancer treatments may be delayed based on the results.

What happens if I miss a dose?

Call your doctor for instructions if you miss an appointment for your Toposar (injection).

This section was rewritten for readability and reviewed for meaning.

What happens if I overdose?

Seek emergency medical help or call the Poison Help line at 1-800-222-1222.

Do not receive a "live" vaccine while using Toposar. The vaccine may not work as well during this time and may not fully protect you from disease. Live vaccines include measles, mumps, rubella (MMR), rotavirus, typhoid, yellow fever, varicella (chickenpox), and nasal flu (influenza) vaccine.

Avoid being around people who are sick or have infections. Tell your doctor right away if you notice signs of infection.

Avoid activities that could increase your risk of bleeding or injury. Be extra careful to prevent bleeding while shaving or brushing your teeth.

This section was rewritten for readability and reviewed for meaning.

What other drugs will affect Toposar?

Tell your doctor about all your other medicines, especially:

  • aspirin;
  • warfarin (Coumadin, Jantoven); or
  • seizure medication.

This list is not complete. Other drugs may affect Toposar, including prescription and over-the-counter medicines, vitamins, and herbal products. Not all possible drug interactions are listed here.

This section was rewritten for readability and reviewed for meaning.

Common questions about Toposar

How long does chemo take? Sessions and recovery time?
The duration of chemotherapy varies significantly based on cancer type, treatment goals, and individual patient health. Some patients may complete treatment in a few months, while others require therapy for a year or longer. Continue reading
Radiation vs. Chemo: Which cancer treatment is right for you?
Chemotherapy treats cancer throughout the body, while radiation targets specific areas. Each approach has unique benefits depending on the type and stage of cancer, as well as your overall health. Continue reading
How soon will my hair grow back after chemotherapy?
After finishing chemotherapy, some may notice fine, soft hair appearing as early as 3 to 6 weeks after treatment ends. It can take several months for your hair to return to its previous length and thickness. Continue reading
What is EPOCH/R-EPOCH chemo regimen and how is it used?
EPOCH and R-EPOCH are intensive chemotherapy regimens primarily used to treat aggressive forms of non-Hodgkin lymphoma, including diffuse large B-cell lymphoma, mantle cell lymphoma, and Burkitt lymphoma. EPOCH includes five drugs (etoposide, prednisone, vincristine, cyclophosphamide, and hydroxydaunorubicin), and is often combined with rituximab (R-EPOCH) for CD20-positive lymphomas. Continue reading
Will I lose my hair during chemotherapy treatment?
Chemotherapy-induced hair loss is common and usually temporary, caused by the drugs targeting rapidly dividing hair follicle cells. Hair loss typically starts a few weeks after treatment begins and regrows a few months after it ends. Continue reading

Related medicines

Before you take this medicine: the information on this page is general and may not cover your personal circumstances. Read the label supplied with your medicine and ask a pharmacist or doctor if you are unsure, especially if you are pregnant, breastfeeding, taking other medicines or managing a long-term condition.
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