Pediatric Medication

Brand Names: US

Revatio; Viagra

Brand Names: Canada

ACT-Sildenafil; Apo-Sildenafil; GD-Sildenafil; Jamp-Sildenafil; M-Sildenafil; Mint-Sildenafil; MYL-Sildenafil; PMS-Sildenafil; RAN-Sildenafil; ratio-Sildenafil R; Revatio; Sandoz-Sildenafil; Teva-Sildenafil; Viagra

What is this drug used for?

  • It is used to treat high blood pressure in the lungs.
  • It may be given to your child for other reasons. Talk with the doctor.


  • If your child has been given this form of this drug, talk with the doctor for information about the benefits and risks. Talk with the doctor if you have questions or concerns about giving this drug to your child.

What do I need to tell the doctor BEFORE my child takes this drug?

  • If your child has an allergy to 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 uses drugs called “poppers” like amyl nitrite and butyl nitrite.
  • If your child is taking any of these drugs: Isosorbide dinitrate, isosorbide mononitrate, nitroglycerin, riociguat, or ritonavir.
  • If your child is taking another drug that has the same drug in it.
  • If your child is taking or will be taking another drug like this one.
  • If your child has a health problem called pulmonary veno-occlusive disease (PVOD).
This is not a list of all drugs or health problems that interact with this drug.
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.

What are some things I need to know or do while my child takes 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.
  • To lower the chance of feeling dizzy or passing out, have your child get up slowly over a few minutes when sitting or lying down. Have your child be extra careful climbing stairs.
  • Alcohol may interact with this drug. Be sure your child does not drink alcohol.
  • Very bad and sometimes deadly side effects like a heartbeat that does not feel normal, heart attack, stroke, and very bad high blood pressure have happened with this drug. Talk with the doctor.
  • A very bad eye problem has rarely happened with this drug. This may lead to a change in eyesight and sometimes loss of eyesight, which may not come back. Talk with the doctor.
  • This drug is not approved for use in children. A higher rate of death has been seen in children as the dose of this drug gets higher. However, your child’s doctor may decide the benefits of taking this drug may outweigh the risks. If your child has been given this drug, talk with the doctor for information about the benefits and risks. Talk with the doctor if you have questions about giving this drug to your child.

If your child is pregnant or breast-feeding a baby:

  • Talk with the doctor if your child is pregnant, becomes pregnant, or is breast-feeding a baby. You will need to talk about the benefits and risks of using this drug.

What are some side effects that I need to call my child’s doctor about 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 or talking; unusual hoarseness; or swelling of the mouth, face, lips, tongue, or throat.
  • Chest pain or pressure or a fast heartbeat.
  • A heartbeat that does not feel normal.
  • Dizziness or passing out.
  • Very bad headache.
  • Coughing up blood.
  • Very upset stomach or throwing up.
  • Weakness on 1 side of the body, trouble speaking or thinking, change in balance, or blurred eyesight.
  • Change in eyesight.
  • Loss of eyesight.
  • Change in hearing.
  • Ringing in ears.
  • Memory problems or loss.
  • Seizures.
  • Shortness of breath.
  • Swelling in hands or feet.
  • Fever.
  • Call your child’s doctor right away if your child gets a painful erection (hard penis) or gets an erection that lasts for longer than 4 hours. If this is not treated right away, it may lead to lasting sex problems and your child may not be able to have sex in the future.

What are some other side effects of this drug?

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:

All products:

  • Loose stools (diarrhea).
  • Flushing.
  • Headache.
  • Belly pain or heartburn.
  • Upset stomach.
  • Redness.
  • Muscle pain.
  • Nosebleed.
  • Runny nose.
  • Stuffy nose.
  • Not able to sleep.


  • Pain where the shot was given.
  • Redness or swelling where the shot is given.
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.

How is this drug best given?

Give this drug as ordered by your child’s doctor. Read all information given to you. Follow all instructions closely.

All oral products:

  • Give this drug with or without food.
  • 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.
  • Give at the same time of day.
  • To gain the most benefit, do not miss giving your child doses.

Liquid (suspension):

  • Shake well before use.
  • Measure liquid doses carefully. Use the measuring device that comes with this drug.


  • It is given as a shot into a vein.

What do I do if my child misses a dose?

All oral products:

  • 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.


  • Call your child’s doctor to find out what to do.

How do I store and/or throw out this drug?

Liquid (suspension):

  • Store at room temperature or in a refrigerator. Do not freeze.
  • Throw away any unused part 60 days after this drug was mixed. Talk with your pharmacist if you are not sure when this is.


  • Store at room temperature.

All oral products:

  • Protect from light.
  • Store in a dry place. Do not store in a bathroom.


  • If you need to store this drug at home, talk with your child’s doctor, nurse, or pharmacist about how to store it.

All products:

  • 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.

General drug facts

  • 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.

Consumer Information Use and Disclaimer

This information should not be used to decide whether or not to take this medicine or any other medicine. Only the healthcare provider has the knowledge and training to decide which medicines are right for a specific patient. This information does not endorse any medicine as safe, effective, or approved for treating any patient or health condition. This is only a brief summary of general information about this medicine. It does NOT include all information about the possible uses, directions, warnings, precautions, interactions, adverse effects, or risks that may apply to this medicine. This information is not specific medical advice and does not replace information you receive from the healthcare provider. You must talk with the healthcare provider for complete information about the risks and benefits of using this medicine.

Last Reviewed Date



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