This information from Lexicomp® explains what you need to know about this medication, including what it’s used for, how to take it, its side effects, and when to call your healthcare provider.
- Severe allergic reactions have happened with this drug. Sometimes, this has been deadly. Tell your child’s doctor about any chest pain or tightness, itching, rash, severe dizziness or passing out, or shortness of breath or other breathing problems.
- This drug may cause unsafe red blood cell problems called hemolysis and methemoglobinemia. If either of these health problems happens with this drug, do not let your child get this drug again. Talk with the doctor.
- People with an enzyme deficiency called G6PD deficiency may have more chance of getting hemolysis. Do not let your child get this drug if your child has G6PD deficiency. Your child may need to be screened for G6PD deficiency before taking this drug. Talk with the doctor.
- This drug may affect certain lab tests. Tell all of your child’s health care providers and lab workers that your child takes this drug.
- It is used to treat or prevent high uric acid levels during chemo.
- If your child is allergic to this drug; any part of this drug; or any other drugs, foods, or substances. Tell the doctor about the allergy and what signs your child had.
If your child is breast-feeding a baby:
- Be sure your child does not breast-feed a baby while taking this drug and for 2 weeks after the last dose.
This drug may interact with other drugs or health problems.
Tell the doctor and pharmacist about all of your child’s drugs (prescription or OTC, natural products, vitamins) and health problems. You must check to make sure that it is safe to give this drug with all of your child’s other drugs and health problems. Do not start, stop, or change the dose of any drug your child takes without checking with the doctor.
- 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 blood work checked as you have been told by the doctor. Talk with the doctor.
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.
WARNING/CAUTION: Even though it may be rare, some people may have very bad and sometimes deadly side effects when taking a drug. Tell your child’s doctor or get medical help right away if your child has any of the following signs or symptoms that may be related to a very bad side effect:
- 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, swallowing, or talking; unusual hoarseness; or swelling of the mouth, face, lips, tongue, or throat.
- Signs of methemoglobinemia like a blue or gray color of the lips, nails, or skin; a heartbeat that does not feel normal; seizures; very bad dizziness or passing out; very bad headache; feeling very sleepy; feeling tired or weak; or shortness of breath. This effect is rare but may be deadly if it happens.
- Signs of electrolyte problems like mood changes, confusion, muscle pain or weakness, a heartbeat that does not feel normal, seizures, not hungry, or very bad upset stomach or throwing up.
- Feeling very tired or weak.
- Pale skin.
- Dark urine or yellow skin or eyes.
- Swelling in the arms or legs.
All drugs may cause side effects. However, many people have no side effects or only have minor side effects. Call your child’s doctor or get medical help if any of these side effects or any other side effects bother your child or do not go away:
- Constipation, diarrhea, stomach pain, upset stomach, or throwing up.
- Sore throat.
- Mouth irritation or mouth sores.
These are not all of the side effects that may occur. If you have questions about side effects, call your child’s doctor. Call your child’s doctor for medical advice about side effects.
You may report side effects to your national health agency.
Give this drug as ordered by your child’s doctor. Read all information given to you. Follow all instructions closely.
- It is given as an infusion into a vein over a period of time.
- Call your child’s doctor to find out what to do.
- If you need to store this drug at home, talk with your child’s doctor, nurse, or pharmacist about how to store it.
- 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 all drugs in a safe place. Keep all drugs out of the reach of children and pets.
- Throw away unused or expired drugs. Do not flush down a toilet or pour down a drain unless you are told to do so. Check with your pharmacist if you have questions about the best way to throw out drugs. There may be drug take-back programs in your area.
- 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.
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