Description
Belustine 40 (Lomustine) 40mg Capsules
Belustine 40 contains lomustine 40mg, an oral alkylating medicine used in certain cancer treatment regimens. Lomustine may be used for certain brain tumors and, together with other medicines, for Hodgkin lymphoma after the disease has progressed following initial chemotherapy.
Important: Lomustine is a cytotoxic prescription medicine. It should be used only under the supervision of an appropriately qualified cancer specialist. Your healthcare professional determines the appropriate dose and treatment schedule based on your condition, previous treatment, laboratory results, and other factors.
Belustine 40 Composition
- Brand: Belustine 40
- Active ingredient: Lomustine
- Strength: 40mg per capsule
- Dosage form: Oral capsule
- Drug class: Alkylating agent
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What Is Belustine 40 Used For?
Lomustine slows or stops the growth of certain cancer cells. In the United States, lomustine is used for specific brain tumors, including primary and metastatic brain tumors following appropriate treatment. It can also be used with other chemotherapy medicines for Hodgkin lymphoma when the disease has progressed after initial chemotherapy.
Therefore, Belustine 40 should not be used for every type of cancer. An oncology specialist should determine whether lomustine is appropriate for a particular treatment plan.
How Does Lomustine Work?
Lomustine belongs to a group of medicines called alkylating agents. It interferes with processes that cancer cells need to grow and reproduce. As a result, it can slow or stop the growth of certain cancer cells.
How Is Belustine 40 Taken?
Follow your oncologist’s prescription exactly. Lomustine is normally taken by mouth as a single dose at intervals determined by the treating specialist. U.S. prescribing information emphasizes that lomustine must not be taken more frequently than once every 6 weeks. Taking too much or taking it too often can cause severe and potentially life-threatening toxicity.
Lomustine is generally taken on an empty stomach. Swallow the capsules whole. Do not split, chew, or crush them. Because lomustine is cytotoxic, appropriate precautions are also important when handling the capsules. MedlinePlus recommends wearing rubber or latex gloves and washing the skin promptly with soap and water if capsule contents come into contact with the skin.
Never change the dose or repeat a dose early unless your oncology team specifically instructs you to do so.
Important Lomustine Safety Warning
Lomustine can cause delayed and potentially severe bone marrow suppression. This can reduce blood cell counts and increase the risk of serious infections and bleeding. The FDA prescribing information also warns about the risk of fatal toxicity from overdose.
Because of this, patients receiving lomustine require appropriate medical monitoring. Healthcare professionals may monitor blood counts as well as liver, kidney, and lung function during treatment.
Possible Side Effects of Lomustine
Like other chemotherapy medicines, lomustine can cause side effects. Common effects may include:
- Nausea
- Vomiting
- Loss of appetite
- Mouth or throat sores
- Tiredness or weakness
- Hair loss
- Reduced blood cell counts
In addition, lomustine can cause serious problems involving the lungs, liver, kidneys, or blood-forming system. :contentReference[oaicite:8]{index=8}
Seek Medical Attention for Serious Symptoms
Contact your healthcare professional promptly if you develop fever, persistent cough, unusual bleeding or bruising, breathing difficulties, shortness of breath, chest pain, reduced urination, swelling, yellowing of the skin or eyes, or other concerning symptoms.
Lomustine and Drug Interactions
Before starting Belustine 40, tell your doctor or pharmacist about all prescription medicines, over-the-counter medicines, vitamins, supplements, and herbal products you use. This information helps your healthcare team assess potential interactions and treatment risks.
Pregnancy, Fertility and Breastfeeding
Pregnant people or people who may become pregnant should discuss lomustine treatment with their healthcare professional before using this medicine. Lomustine may harm a developing fetus and may affect fertility. Appropriate contraception and reproductive counseling may be necessary during treatment.
Breastfeeding is not recommended during lomustine treatment and for the period specified by the treating healthcare professional.
Storage and Handling
Keep Belustine 40 in its original container, tightly closed and away from children. Store it according to the product packaging and the pharmacist’s instructions. Because lomustine is a cytotoxic medicine, follow your healthcare professional’s instructions for safe handling and disposal.
Belustine 40 and U.S. FDA Information
Lomustine is an established prescription anticancer medicine in the United States. FDA records identify U.S. human prescription lomustine products, including 40mg capsules. The FDA also lists a generic lomustine capsule approval covering 10mg, 40mg, and 100mg strengths.
However, the existence of an FDA-approved lomustine product does not automatically mean that every international brand containing lomustine, including Belustine 40, is FDA-approved for U.S. marketing. Customers should verify the regulatory status of the specific product and brand before purchasing.
U.S. medical information:
MedlinePlus – Lomustine Drug Information
FDA labeling information:
FDA Label Search
FDA drug information:
FDA Drugs@FDA
U.S. Purchase & Regulatory Disclaimer
U.S. customers: Belustine 40 (Lomustine) is a prescription anticancer medicine. Availability, dispensing, importation, and use of prescription medicines in the United States are subject to applicable federal and state laws.
We do not represent that the Belustine 40 brand is FDA-approved for sale or dispensing in the United States. FDA approval of lomustine or another lomustine product does not automatically establish FDA approval of every brand or international product containing lomustine.
Customers in the United States should consult a licensed healthcare professional and verify the product’s regulatory status, prescription requirements, and legal eligibility before placing an order.
Do not purchase or use lomustine without a valid prescription and appropriate medical supervision.
Frequently Asked Questions
What is Belustine 40?
Belustine 40 is a 40mg capsule containing lomustine, an alkylating chemotherapy medicine used for certain cancer treatment regimens.
What is Belustine 40 used for?
Lomustine is used for certain brain tumors and, in combination with other chemotherapy, for Hodgkin lymphoma after progression following initial chemotherapy.
How often is lomustine taken?
Lomustine is generally administered as an intermittent dose rather than a daily medicine. The U.S. prescribing information specifically warns that it should not be administered more frequently than every 6 weeks.
Is Belustine 40 FDA-approved?
FDA records confirm U.S. prescription lomustine products and a 40mg strength. However, this does not establish that the specific Belustine 40 brand is FDA-approved for U.S. marketing. Verify the specific product with the FDA and a qualified healthcare professional.
Can I take Belustine 40 without a prescription?
No. Lomustine is a prescription chemotherapy medicine that requires specialist medical supervision and laboratory monitoring.
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Medical disclaimer: This product information is provided for educational purposes only and does not replace professional medical advice, diagnosis, or treatment. Always follow the instructions provided by your oncologist, doctor, or pharmacist.







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