- Very bad and sometimes life-threatening blood and bone marrow problems like anemia, low platelet counts, or low white blood cell counts have happened with this drug. Change in dose or even stopping the drug may be needed if any of these side effects happen. Talk with the doctor.
- This drug has caused cancer, fertility problems in males and females that could be long-lasting, and harm to unborn babies in animals. This drug may have the same effects in humans. Talk with the doctor.
- It is used to treat a viral infection of the eyes in people with immune system problems.
- It is used to prevent cytomegalovirus (CMV) disease after organ transplant.
- 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 has any of these health problems: Low white blood cell count, low platelet count, or low red blood cell count.
- If your child has kidney disease.
- If your child is on dialysis.
- Do not give ganciclovir to your child while your child is taking this drug.
- If your child is taking imipenem-cilastatin.
If your child is breast-feeding a baby:
- Be sure your child does not breast-feed a baby while taking this drug.
For all uses of this drug:
- 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 avoid tasks or actions that call for alertness until you see how this drug affects your child. These are things like riding a bike, playing sports, or using items such as scissors, lawnmowers, electric scooters, toy cars, or motorized vehicles.
- Have your child’s blood work checked often. Talk with your child’s doctor.
- Your child may have more chance of getting infections. Have your child wash hands often. Avoid crowds and people with infections, colds, or flu.
- Your child may bleed more easily. Make sure your child is careful and avoids injury. Be sure your child has a soft toothbrush.
- Do not run out of this drug.
- Use with care in children. Talk with the doctor.
- This drug may cause fertility problems. This may affect being able to have children later in life. Talk with the doctor.
- If your child is of childbearing age, a pregnancy test will need to be done before starting this drug to make sure she is not pregnant.
If your child is or may be sexually active:
- Have your child use birth control to prevent pregnancy while taking this drug and for 1 month after stopping this drug.
- If your child is a male and has sex with a female who could get pregnant, they must prevent pregnancy during care and for 3 months after care ends. They must use a condom.
- If your child is a male and his sex partner gets pregnant while he takes this drug or within 3 months after his last dose, call the doctor right away.
If your child is pregnant:
- This drug may cause harm to the unborn baby if your child takes it during pregnancy.
- If your child gets pregnant while taking this drug or within 1 month after the last dose, call the doctor right away.
For CMV infections of the eye:
- This drug is not a cure for CMV infections of the eye. Be sure your child stays under the care of the doctor.
- Get your child an eye exam as you have been told by the doctor.
- 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 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 kidney problems like unable to pass urine, change in how much urine is passed, blood in the urine, or a big weight gain.
- Signs of a urinary tract infection (UTI) like blood in the urine, burning or pain when passing urine, feeling the need to pass urine often or right away, fever, lower stomach pain, or pelvic pain.
- 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.
- Dark urine or yellow skin or eyes.
- Low mood (depression).
- A burning, numbness, or tingling feeling that is not normal.
- Very bad dizziness or passing out.
- Swelling in the arms or legs.
- Swelling of belly.
- Change in eyesight, eye pain, or very bad eye irritation.
- Shortness of breath.
- Night sweats.
- Belly pain.
- Upset stomach or throwing up.
- Loose stools (diarrhea).
- Hard stools (constipation).
- Not able to sleep.
- Feeling tired or weak.
- Not hungry.
- Weight loss.
- Back pain.
- Muscle or joint pain.
- Muscle spasm.
- Give this drug with food.
- To gain the most benefit, do not miss giving your child doses.
- 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.
- Have your child drink lots of noncaffeine liquids unless told to drink less liquid by your child’s doctor.
- You will need to take special care when handling this drug. Check with the doctor or pharmacist to see how to handle this drug.
- Do not get this drug, as well as the liquid, broken tablets, or crushed tablets, on your skin or in your eyes, nose, or mouth. If you get it on your skin, wash with soap and water. If you get it in your eyes, rinse with plain water.
- Have your child swallow whole. Do not let your child chew, break, or crush.
- Your pharmacist will need to mix this drug before you get it.
- Shake well before use.
- Measure liquid doses carefully. Use the measuring device that comes with this drug.
- Do not mix with any liquid.
- Give a missed dose as soon as you think about it, with food.
- 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 at room temperature.
- Store in a dry place. Do not store in a bathroom.
- Store liquid (solution) in a refrigerator. Throw away any part not used after 7 weeks.
- Do not freeze.
- 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.
- 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.