- Kidney problems have happened with this drug. The doctor will give fluids in a vein to lower the chance of kidney problems. Talk with the doctor.
- Have your child’s blood work checked often. Talk with your child’s doctor.
- This drug may cause seizures in some patients. Talk with the doctor.
- This drug is only approved for use in people with a weak immune system. It is used to treat eye problems caused by cytomegalovirus (CMV). It is also used to treat a type of herpes infection that cannot be treated by another drug. Talk with the doctor.
- It is used to treat a type of herpes infection that cannot be treated by another drug.
- It is used to treat a viral infection of the eyes in people who have AIDS.
- 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 has heart problems.
- If your child is on a low-salt or salt-free diet, talk with your child’s doctor.
- If your child is on dialysis.
- If your child is taking any drugs that can cause a certain type of heartbeat that is not normal (prolonged QT interval). There are many drugs that can do this. Ask the doctor or pharmacist if you are not sure.
If your child is breast-feeding a baby:
- Be sure your child does not breast-feed a baby while taking this drug.
For all patients taking 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.
- If your child has seizures, dizziness, or feels sleepy while using this drug, have your child avoid tasks or actions that call for alertness. Talk with the doctor.
- Seizures have happened with this drug. Sometimes, deaths have happened with seizures. Talk with the doctor.
- Your child will need an ECG before starting this drug and during treatment. Talk with the doctor.
- Use with care in children. Talk with the doctor.
If your child is pregnant:
- Tell the doctor if your child is pregnant or becomes pregnant. You will need to talk about the benefits and risks of your child using this drug while pregnant.
For CMV infections of the eye:
- This drug is not a cure for cytomegalovirus (CMV) infection. 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.
- This drug is not a cure for herpes infections. Talk with 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 fluid and electrolyte problems like mood changes, confusion, muscle pain or weakness, a heartbeat that does not feel normal, very bad dizziness or passing out, fast heartbeat, more thirst, seizures, feeling very tired or weak, not hungry, unable to pass urine or change in the amount of urine produced, dry mouth, dry eyes, or very bad upset stomach or throwing up.
- 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.
- A burning, numbness, or tingling feeling that is not normal.
- Trouble controlling body movements.
- Low mood (depression).
- Shortness of breath.
- Muscle stiffness.
- Change in eyesight.
- Genital irritation.
- Feeling very tired or weak.
- This drug may irritate the vein. It may burn the skin if the drug leaks from the vein when it is given. Tell your child’s nurse if your child has any redness, burning, pain, swelling, or leaking of fluid where the drug is going into your child’s body.
- A type of abnormal heartbeat (prolonged QT interval) has happened with this drug. Sometimes, this has led to another type of unsafe abnormal heartbeat (torsades de pointes). Call your child’s doctor right away if your child has a fast or abnormal heartbeat, or if your child passes out.
- Upset stomach or throwing up.
- Loose stools (diarrhea).
- Feeling tired or weak.
- Not hungry.
- Belly pain.
- Sweating a lot.
- It is given as an infusion into a vein over a period of time.
- Have your child drink lots of noncaffeine liquids every day unless told to drink less liquid by your child’s doctor.
- 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 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.
- 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.