Lanvis (Thioguanine)

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Lanvis Brand
Dosage Quantity & Price
Thioguanine (Generic alternate to Lanvis) Generic

We don't sell this generic-version medication.

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Table of contents:

Lanvis is prescription medication primarily used for the treatment of acute leukaemias, especially acute myelogenous leukaemia and acute lymphoblastic leukaemia. It is a medication containing thioguanine, which belongs to the group of cancer-fighting medications known as antineoplastics. It works by interfering with the growth and development of cancer cells, thereby slowing, or stopping their growth and spreading in the body.

Use and Dosage

Lanvis tablet comes as a tablet to take by mouth usually once a day. The length of treatment depends on the types of drugs you are taking, how well your body responds to them, and the type of cancer you have. Take Lanvis tablet at around the same time every day. Follow the directions on your prescription label carefully and ask your doctor or pharmacist to explain any part you do not understand.

Take Lanvis tablet exactly as prescribed by your doctor. It may cause nausea and vomiting, but you should continue to take it, even if you start to feel ill. Do not stop taking Lanvis without talking to your doctor. If you vomit shortly after taking it, contact your doctor for instructions on whether to take more medication or not. If you miss a dose, skip the missed dose, and go back to your regular dosing schedule. Do not take a double dose to make up for a missed one. If you miss more than 2 doses of Lanvis, contact your doctor.

Side Effects

Common Side Effects of Lanvis tablet (Thioguanine):

  • Headache
  • Loss of appetite or weight
  • Nausea
  • Sores in the mouth and throat
  • Vomiting
  • Skin rash and itching
  • Sun sensitivity
  • Loss of appetite

Serious Side Effects of Lanvis tablet (Thioguanine):

  • Black, tarry, or bloody stools
  • Bloody vomit
  • Fever, sore throat, ongoing cough and congestion, or other signs of infection
  • Flu-like symptoms
  • Lightheadedness
  • Shortness of breath
  • Stomach pain, particularly in the right part of the stomach
  • Swelling of the face, arms, hands, feet, ankles, or lower legs
  • Swelling of the stomach area
  • Unusual bleeding or bruising
  • Unusual tiredness or weakness
  • Yellowing of the skin or eyes

Forms and Strength

Lanvis tablet (Thioguanine) is available in the following forms and strength:

Lanvis tablet: Tablet

  • 40 mg


  • Thioguanine is a potent medication and should only be used under the direction of a physician.
  • Thioguanine can cause bone marrow suppression, which can lead to decreased blood cell counts and an increased risk of infection.
  • Thioguanine can cause liver toxicity, so liver function tests may need to be monitored during treatment.
  • Thioguanine can cause gastrointestinal toxicity, including nausea, vomiting, and diarrhea.
  • Lanvis can cause hypersensitivity reactions, including anaphylaxis and Stevens-Johnson syndrome.
  • Lanvis is contraindicated in pregnant women or women who are breastfeeding.
  • Thioguanine may interact with other medications, inform your physician of all medications being taken. Thioguanine can cause immunosuppression, which can increase the risk of infections, including opportunistic infections.
  • Lanvis can cause myelosuppression, which can lead to anemia, bleeding, and other complications.
  • Thioguanine can increase the risk of secondary malignancies, including leukemia and lymphoma.
  • Lanvis can cause skin toxicity, including rash, itching, and photosensitivity.
  • Thioguanine can cause neurological toxicity, including peripheral neuropathy and disorientation.
  • Lanvis can cause pulmonary toxicity, including pneumonitis and fibrosis.
  • Thioguanine can cause ocular toxicity, including cataracts and retinal damage.

Frequently Asked Questions (FAQ)

How long does Lanvis tablet treatment last?

The duration of treatment with Lanvis tablet can vary depending on the patient's individual condition and response to the medication. Treatment may last for several weeks or months.

Can Lanvis tablet be taken with food or on an empty stomach?

Lanvis tablet can be taken with or without food but take the medication consistently with either approach.

Should I avoid certain activities while taking Lanvis tablet?

Due to the potential for bone marrow suppression and immunosuppression, patients taking Lanvis tablet should avoid activities that may increase the risk of infection or injury, such as contact sports or exposure to sick individuals.

Is it safe to drink alcohol while taking Lanvis tablet?

Due to the potential for liver toxicity, it is generally recommended to avoid alcohol while taking Lanvis tablets.

How often will I need to see the treating physician while taking Lanvis tablet?

The frequency of visits to the physician will depend on the patient's individual condition and response to treatment. Patients should follow the physician's instructions regarding follow-up appointments and monitoring.


It's important to purchase Lanvis from verified Canadian pharmacy.

Additional information

Generic name:






Quantities Available:

25, 100