- 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.
For erectile dysfunction (ED):
- 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.
- 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 has a health problem called pulmonary veno-occlusive disease (PVOD).
- 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 another drug like this one that is used to treat high pressure in the lungs.
- 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 rise slowly if your child has been sitting or lying down. Have your child be careful going up and down stairs.
- Alcohol may interact with this drug. Be sure your child does not drink alcohol.
- Rarely, certain side effects like abnormal heartbeat, heart attack, stroke, bleeding in the lungs, and very bad high blood pressure have happened with this drug. Sometimes, this has been deadly. Most of the time, these problems happened in people who had heart problems before taking this drug. It is not known if this drug caused these problems. If you have questions, 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.
- 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.
- Chest pain or pressure or a fast heartbeat.
- A heartbeat that does not feel normal.
- Dizziness or passing out.
- Very bad headache.
- Very upset stomach or throwing up.
- Weakness on 1 side of the body, trouble speaking or thinking, change in balance, drooping on one side of the face, or blurred eyesight.
- Change in eyesight.
- Loss of eyesight.
- Change in hearing.
- Hearing loss.
- Ringing in ears.
- Shortness of breath.
- Swelling in the arms or legs.
- Any unexplained bruising or bleeding.
- 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.
- Loose stools (diarrhea).
- Upset stomach.
- Muscle pain.
- Runny nose.
- Stuffy nose.
- Not able to sleep.
All oral products:
- Give this drug with or without 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.
- 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.
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.
- 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:
- 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.
- 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.