- This drug may have unsafe effects on the bone marrow. The bone marrow may not be able to make cells found in the blood as well as it used to for a few weeks. This may raise the chance of bleeding or infection. Talk with the doctor.
- This drug may affect fertility. Fertility problems may lead to not being able to get pregnant or father a child. In both men and women, this may go back to normal but sometimes it may not. Talk with your doctor.
- Other types of cancer may rarely happen later in life.
If your child is pregnant:
- This drug may cause harm to the unborn baby if your child takes it during pregnancy. If your child is pregnant or gets pregnant while taking this drug, call the doctor right away.
- It is used to treat leukemia.
- It is used to treat lymphoma.
- It may be given to your child for other reasons. Talk with the doctor.
- If your child has an allergy to this drug or any part of this drug.
- If your child is allergic to any drugs like this one or any other drugs, foods, or other substances. Tell the doctor about the allergy and what signs your child had, like rash; hives; itching; shortness of breath; wheezing; cough; swelling of face, lips, tongue, or throat; or any other signs.
If your child is breast-feeding a baby:
- Talk with the doctor if your child is breast-feeding a baby or plans to breast-feed a baby.
- Tell all of your child’s health care providers that your child is taking this drug. This includes your child’s doctors, nurses, pharmacists, and dentists.
- Have your child’s blood work checked often. Talk with 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.
- Your child may bleed more easily. Make sure your child is careful and avoids injury. Be sure your child has a soft toothbrush.
- Your child may have more chance of getting infections. Avoid crowds and people with infections, colds, or flu.
- If your child has an upset stomach or loose stools (diarrhea), is throwing up, or is not hungry, talk with the doctor. There may be ways to lower these side effects.
If your child is or may be sexually active:
- Have your child use birth control to prevent pregnancy while taking this drug.
For all patients taking this drug:
- Signs of an allergic reaction, like rash; hives; itching; red, swollen, blistered, or peeling skin with or without fever; wheezing; tightness in the chest or throat; trouble breathing or talking; unusual hoarseness; or swelling of the mouth, face, lips, tongue, or throat.
- Signs of infection like fever, chills, very bad sore throat, ear or sinus pain, cough, more sputum or change in color of sputum, pain with passing urine, mouth sores, or wound that will not heal.
- Signs of bleeding like throwing up blood or throw up that looks like coffee grounds; coughing up blood; blood in the urine; black, red, or tarry stools; bleeding from the gums; vaginal bleeding that is not normal; bruises without a reason or that get bigger; or any bleeding that is very bad or that you cannot stop.
- Signs of liver problems like dark urine, feeling tired, not hungry, upset stomach or stomach pain, light-colored stools, throwing up, or yellow skin or eyes.
- Feeling very tired or weak.
- A burning, numbness, or tingling feeling that is not normal.
- Change in balance.
- Hallucinations (seeing or hearing things that are not there).
- Shortness of breath.
- Feeling confused.
- Feeling agitated.
- Upset stomach or throwing up.
- A skin lump or growth.
- A very bad skin reaction (Stevens-Johnson syndrome/toxic epidermal necrolysis) may happen. It can cause very bad health problems that may not go away, and sometimes death. Get medical help right away if your child has signs like red, swollen, blistered, or peeling skin (with or without fever); red or irritated eyes; or sores in the mouth, throat, nose, or eyes.
If your child has menstrual periods:
- For females, no period.
- Mouth irritation or mouth sores.
- Keep giving this drug to your child as you have been told by your child’s doctor or other health care provider, even if your child feels well.
- To gain the most benefit, do not miss giving your child doses.
- You will need to take special care when handling this drug. Check with the doctor or pharmacist to see how to handle this drug.
- 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 at the same time or extra doses.
- Store in a refrigerator. Do not freeze.
- Keep all drugs in a safe place. Keep all drugs out of the reach of children and pets.
- Check with your pharmacist about how to throw out unused drugs.
- 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, nurse, 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.