- This drug may cause eyesight problems like loss of eyesight. People taking this drug do not lose all of their eyesight but loss of eyesight can be very bad. Eyesight problems include not being able to see to the side when looking straight ahead and only being able to see straight ahead. Blurred eyesight may also happen. The risk of eyesight problems may be higher with higher doses of this drug and the longer this drug is taken. If these eyesight problems happen, they will not get better. Eyesight problems may happen within weeks of starting this drug or sooner, or at any time while taking it, even after months or years. Talk with the doctor.
- Call your child’s doctor right away if your child does not see things as well as before taking this drug. Call your child’s doctor right away if your child starts to trip, bump into things, or is more clumsy than normal. Call your child’s doctor right away if people surprise your child or if your child feels that things that come in front of him/her seem to come out of nowhere.
- You will need to have your child’s eyesight checked before starting this drug, while taking it, and for some time after stopping it. Talk with your child’s doctor.
- If your child has eyesight problems like loss of eyesight, is at risk for loss of eyesight, or is taking drugs that may cause eye problems, talk with your child’s doctor.
- Your child may only get this drug through a special program. Talk with the doctor.
- It is used to help control certain kinds of seizures.
- It is used to treat infantile spasms.
- 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.
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 for your child to take this drug with all of his/her 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 your child avoid tasks or actions that call for alertness or clear eyesight 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.
- Do not stop giving this drug to your child all of a sudden without calling the doctor. Your child may have a greater risk of seizures. If your child needs to stop this drug, you will want to slowly stop it as told by 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.
- Nerve problems like burning, numbness, or tingling feelings that are not normal have happened with this drug. It is not known if these nerve problems will go away if this drug is stopped. Talk with the doctor.
- Alcohol may interact with this drug. Be sure your child does not drink alcohol.
- Talk with the doctor before giving your child other drugs and natural products that may slow your child’s actions.
- If your child’s weight changes, talk with the doctor. The dose of this drug may need to be changed.
- This drug may cause MRI changes that are not normal in infants. This has not been seen in older children or adults. It is not known if these changes are harmful. 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.
- Very bad dizziness or passing out.
- Feeling confused.
- Feeling very tired or weak.
- If seizures are worse or not the same after starting this drug.
- Not able to control eye movements.
- Very bad muscle pain or weakness.
- A burning, numbness, or tingling feeling that is not normal.
- Chest pain.
- Change in balance.
- Pain when passing urine.
- Passing urine more often.
- A big weight gain.
- Memory problems or loss.
- Trouble walking.
- Not able to get or keep an erection.
- Painful periods.
- Patients who take this drug may be at a greater risk of having thoughts or actions of suicide. The risk may be greater in people who have had these thoughts or actions in the past. Call the doctor right away if signs like low mood (depression), nervousness, restlessness, grouchiness, panic attacks, or changes in mood or actions are new or worse. Call the doctor right away if any thoughts or actions of suicide occur.
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:
- Upset stomach or throwing up.
- Loose stools (diarrhea).
- Feeling sleepy.
- Hard stools (constipation).
- Stuffy nose.
- Feeling tired or weak.
- Not able to sleep.
- Muscle or joint pain.
- Feeling more or less hungry.
- Weight gain.
- Belly pain.
- Nose and throat irritation.
- Tooth pain.
- Back pain.
- Flu-like signs.
- Not able to focus.
- Feeling nervous and excitable.
- Strange or odd dreams.
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.
- Give this drug with or without food.
- Ask the doctor what to do if your child is not able to take the full dose. Ask the doctor what to do if your child throws up or spits up after taking this drug.
- 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.
Powder for solution:
- Mix with water as told before you give this drug. Be sure your child does not swallow the dry powder.
- Follow how to use as you have been told by the doctor or read the package insert.
- Be sure you know how many packets to use.
- Melt each packet in 2 teaspoons (10 mL) of water.
- After mixing, measure the liquid dose carefully. Use the measuring device that comes with this drug.
- Give the mixture right away. Do not store for use at a later time.
- Do not use if the solution is cloudy or has particles.
- Do not use if solution changes color.
- Throw away any part not used after use.
- Call your child’s doctor to find out what to do.
- Store in the original container at room temperature.
- Store in a dry place. Do not store in a bathroom.
- Keep all drugs in a safe place. Keep all drugs out of the reach of children and pets.
- 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.