Lanvis (Thioguanine)

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What is Lanvis (Thioguanine) prescribed for?

Leukemia is a cancer of the body’s blood forming tissues. This includes bone marrow and the lymphatic system. While Leukemia exists in many forms, it has various different types that are more common in children, while others are more common in adults. This disease usually involves white blood cells, which are potent infection fights. They would normally grow and divide in an orderly way as your body needs. However, in people with Luekemia the bone marrow produces abnormal white blood cells, which don’t function as they should.

Thioguanine, the active ingredient in Lanvis, is a medication that fights against cancer by preventing the growth of cancer cells, and eventually killing them.

This medication comes in the singular dose of 40mg. Remember your dose is based on your medical background and your overall response to the treatment. If your doctor or pharmacist has given you some information in the form of a pamphlet, take the time to read up on this drug, and if you have any questions or concerns regarding this medication, please consult your doctor.

This medication is taken by mouth, however the recommended dose varies between patient to patient.  It is important to take this medication 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 thioguanine without talking to your doctor. If you vomit shortly after taking it, contact your doctor for instruction 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.

Your doctor may want you to drink extra fluids while taking this medication in order to help you pass more fluid and protect your kidneys.

Before taking this medication, it is best to advise your doctor if you are allergic thioguanine; or to any other medications or allergies in general. This product may contain inactive ingredients, which can cause allergic reactions or other problems.

Before taking this medication, it is for the best to inform your doctor of your Medical history. Especially if have ever had any of the following; diarrhea, loss of appetite, nausea and vomiting, skin rash and itching.

If you are experiencing any of the following side effects, you should speak with your doctor right away. They are as follows; diarrhea, loss of appetite, nausea and vomiting, skin rash and itching.

Tell your doctor right away if any of these unlikely but serious side effects occur: joint pain, sores in the mouth or on the lips, signs of anemia (low red blood cells; e.g., dizziness, pale skin, unusual tiredness or weakness, shortness of breath), signs of bleeding (e.g., bloody nose, blood in urine, coughing blood, bleeding gums, cuts that don't stop bleeding), signs of infection (fever, severe chills, sore throat, mouth ulcers), signs of abnormal liver function including skin or whites of the eyes turning yellow, feeling tired, dark or brown coloured urine, nausea or vomiting or not wanting to eat), swelling of the feet or lower legs, unsteadiness when walking.

Contact your doctor right away if you have any of these very serious side effects; signs of bleeding in the stomach (e.g., bloody, black, or tarry stools, spitting up of blood, vomiting blood or material that looks like coffee grounds), signs of a serious allergic reaction (e.g., abdominal cramps, difficulty breathing, nausea and vomiting, or swelling of the face and throat).

A very serious allergic reaction to this drug is rare. However, seek immediate medical attention if you notice any of the following symptoms of a serious allergic reaction: rash, itching/swelling (especially of the face/tongue/throat), severe dizziness, trouble breathing.

What happens if I suddenly stop taking this medication?

There may be a relapse in symptoms as well as side effects. You should speak your doctor before stop taking this medication.

 

 What is the best dosage to take?

The diagnosis with your doctor will be able to determine the best dosage for your treatment. Work with your doctor closely for dosage and dosing schedules.

 

 What happens if I miss a dose?

You should take the missed dose as soon you realize you have forgotten. If the forgotten dose is closer to your next scheduled dose, take the next schedule dose to avoid overlapping in dose.

 

 What is the best way to store this medication?

This medication is stored at room temperature, and should be kept away from children and pets. Do not throw away this medication in the wastebasket. If you are uncertain how to dispose of this medication speak with your pharmacist for help in safely disposing of this medication.

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