Log in »

Thioguanine (thye oh GWAH neen)

Pediatric Medication

Brand Names: U.S.

Tabloid

Brand Names: Canada

Lanvis®

What is this drug used for?

  • It is used to treat a type of leukemia.

Is it safe for my child to take this drug?

  • Not if your child has an allergy to thioguanine or any other part of this drug.
  • Be sure to let the doctor know if your child has any allergies or side effects to drugs, foods, or dyes. Make sure to tell about the allergy and what signs your child had. This includes telling about rash; hives; itching; shortness of breath; wheezing; cough; swelling of face, lips, tongue, or throat; or any other signs.

What are some things I need to know or do while my child takes this drug?

  • If your child has liver disease, talk with the doctor.
  • If your child has thiopurine methyltransferase deficiency, talk with the doctor.
  • Have your child’s blood work checked. Talk with your child’s doctor.
  • Check all drugs your child is taking with your child’s doctor. This drug may not mix well with some other drugs.
  • Keep a list of all your child’s drugs (prescription, natural products, vitamins, OTC) with you. Give this list to your child’s doctor.
  • Talk with the doctor before your child gets any vaccines. Use with this drug may either raise the chance of very bad infection or make the vaccine not work as well.
  • Talk with the doctor before giving your child products that have aspirin, ibuprofen or like products, blood thinners (warfarin, ticlopidine, clopidogrel), garlic, ginseng, ginkgo, or vitamin E.
  • Your child may bleed or clot more easily. Have him/her be more careful and avoid injury. Keep your child from rough-housing or playing contact sports.
  • Your child may get sunburned more easily. Avoid lots of sun, sunlamps, and tanning beds. Use sunscreen and dress your child in clothing and eyewear that protects him/her from the sun.

What are some side effects that I need to call my child’s doctor about right away?

  • If any of this news causes you to be worried or if any of the unwanted side effects happen after your child is given this drug.
  • If you think there has been an overdose, call your poison control center or get medical care right away. Be ready to tell or show what was taken, how much, and when it happened.
  • If your child shows signs of a very bad reaction, call your child’s doctor or the ER right away. These include wheezing; chest tightness; fever; itching; bad cough; blue skin color; seizures; swelling of face, lips, tongue, or throat; or if your child is not acting normal.
  • If your child is feeling very tired or weak.
  • If your child has very bad belly pain.
  • If your child has a very bad upset stomach or is throwing up.
  • If your child has very loose stools (diarrhea).
  • If your child has any bruising or bleeding.
  • If your child has dark urine or yellow skin or eyes.
  • If your child has swelling.
  • If your child gets a rash.
  • If your child’s health problem does not get better or if you think your child’s health problem is worse.

What are some other side effects of this drug?

  • Your child may have more chance of getting infections. Avoid crowds and people with infections, colds, or flu.
  • Upset stomach or throwing up. Many small meals and good mouth care may help. Older children may suck hard, sugar-free candy.
  • Not hungry.
  • Mouth irritation or sores. Using a soft toothbrush or cotton swabs and rinsing the mouth may help. Do not use mouth rinses that have alcohol in them.
  • Anemia, low white blood cell count, and low platelet count.
  • Harm to the liver may rarely happen.
  • Other kinds of cancer may rarely happen later in life.

How is this drug best given?

Give this drug as ordered by your child’s doctor. Read and follow the dosing on the label closely.
  • Give this drug at the same time of day.
  • Only give this drug for 2 weeks.

Liquid:

  • Measure liquid doses carefully. Use the measuring device that comes with this drug. If there is none, get an oral syringe, a dropper, a spoon, or a cup (only for older children) from your pharmacist.
  • Children who have feeding tubes may also use the liquid. Flush the feeding tube before and after this drug is given.

What do I do if my child misses a dose?

  • Give a missed dose as soon as you think about it.
  • If it is close to the time for your child’s next dose, skip the missed dose and go back to your child’s normal time.
  • Do not give 2 doses or extra doses.

How do I store and/or throw out this drug?

  • Store at room temperature.
  • Store in a dry place. Do not store in a bathroom.
  • Store liquid (suspension) at room temperature. Throw away any part not used after 2 months.

General drug facts

  • If your child’s symptoms or health problems do not get better or if they become worse, call your child’s doctor.
  • Do not share your child’s drug with others and do not give anyone else’s drug to your child.
  • Keep a list of all your child’s drugs (prescription, natural products, vitamins, OTC) with you. Give this list to your child’s doctor.
  • Talk with your child’s doctor before giving your child any new drug, including prescription or OTC, natural products, or vitamins.
  • Some drugs may have another patient information leaflet. If you have any questions about this drug, please talk with your child’s doctor, pharmacist, or other health care provider.
  • If you think there has been an overdose, call your poison control center or get medical care right away. Be ready to tell or show what was taken, how much, and when it happened.

Consumer Information Use and Disclaimer

This information should not be used to decide whether or not to take this medicine or any other medicine. Only the healthcare provider has the knowledge and training to decide which medicines are right for a specific patient. This information does not endorse any medicine as safe, effective, or approved for treating any patient or health condition. This is only a brief summary of general information about this medicine. It does NOT include all information about the possible uses, directions, warnings, precautions, interactions, adverse effects, or risks that may apply to this medicine. This information is not specific medical advice and does not replace information you receive from the healthcare provider. You must talk with the healthcare provider for complete information about the risks and benefits of using this medicine.

Copyright

Copyright © 2014 Clinical Drug Information, LLC and Lexi-Comp, Inc.