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Medication Guide — Revatio

Patient-friendly FDA guidance and safety information.

Last updated · May 18, 2026Source: DailyMed ↗

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PATIENT INFORMATION

REVATIO ® (re-VAH-tee-oh)

(sildenafil)

tablets

REVATIO ® (re-VAH-tee-oh)

(sildenafil)

oral suspension

What is the most important information I should know about REVATIO?

Never take REVATIO with any nitrate or guanylate cyclase stimulator medicines.

  • Your blood pressure could drop quickly to an unsafe level.

Nitrates include:

  • Medicines that treat chest pain (angina)
  • Nitroglycerin in any form including tablets, patches, sprays, and ointments
  • Isosorbide mononitrate or dinitrate
  • Street drugs called “poppers” (amyl nitrate, butyl nitrate or nitrite)

Guanylate cyclase stimulators include:

  • Riociguat, a medicine that treats pulmonary arterial hypertension and chronic thromboembolic pulmonary hypertension.

Ask your healthcare provider or pharmacist if you are not sure if you or your child are taking a nitrate or a guanylate cyclase stimulator medicine.

See “What are the possible side effects of REVATIO?” for more information about side effects.

What is REVATIO?

REVATIO is a prescription medicine used to treat pulmonary arterial hypertension (PAH). PAH is a type of high blood pressure in the arteries of your lungs. REVATIO may be used in:

  • adults to improve your ability to exercise and help slow down the worsening of your physical condition.
  • children 1 to 17 years old to improve their ability to exercise, and in children too young to do certain exercise and lung testing.

It is not known if REVATIO is safe and effective in children younger than 1 year of age.

Do not take REVATIO if you or your child:

  • take medicines called nitrates.
  • take riociguat, a guanylate cyclase stimulator medicine.
  • are allergic to sildenafil or any of the ingredients in REVATIO. See the end of this leaflet for a complete list of ingredients in REVATIO.

Before taking REVATIO, tell your healthcare provider about all of your medical conditions, including if you or your child:

  • have low blood pressure
  • have heart problems
  • have pulmonary veno-occlusive disease (PVOD)
  • have bleeding problems or a stomach (peptic) ulcer. It is not known if REVATIO is safe in people with bleeding problems or who have a stomach ulcer.
  • have an eye problem called retinitis pigmentosa
  • have ever had sudden loss of vision in one or both eyes, including an eye problem called non-arteritic anterior ischemic optic neuropathy (NAION)
  • have ever had hearing problems such as ringing in the ears, dizziness, or loss of hearing
  • have a deformed penis shape or Peyronie’s disease
  • have any blood cell problems such as sickle cell anemia
  • are pregnant or plan to become pregnant. It is not known if REVATIO will harm your unborn baby.
  • are breastfeeding or plan to breastfeed. REVATIO passes into your breast milk. It is not known if it can harm your baby. Talk with your healthcare provider about the best way to feed your baby during treatment with REVATIO.

Tell your healthcare provider about all of the medicines you or your child take, including prescription and over-the-counter medicines, vitamins, and herbal supplements. REVATIO and certain other medicines may affect each other and can cause side effects.
 

Especially tell your healthcare provider if you or your child take:

  • nitrates or guanylate cyclase stimulators. See “What is the most important information I should know about REVATIO?
  • medicines to treat high blood pressure
  • medicines for erectile dysfunction (impotence). REVATIO contains sildenafil, which is the same medicine found in another medicine called VIAGRA®. VIAGRA is used for the treatment of erectile dysfunction. Do not take VIAGRA or other PDE-5 inhibitors during treatment with REVATIO.

Ask your healthcare provider or pharmacist for a list of these medicines if you are not sure.

Know the medicines you or your child take. Keep a list of your or your child’s medicines and show it to your healthcare provider and pharmacist when you get a new medicine.

How should I take REVATIO?

  • Take or give REVATIO exactly as your healthcare provider tells you.
  • Your healthcare provider may change your or your child’s dose of REVATIO as needed. Do not change your dose or stop taking REVATIO without talking to your healthcare provider.
  • REVATIO may be prescribed to you as REVATIO tablets or REVATIO oral suspension.
  • Take your prescribed dose of REVATIO tablets or oral suspension 3 times a day.
  • See the detailed Instructions for Use that comes with REVATIO oral suspension for information on how to take or give REVATIO oral suspension. REVATIO oral suspension will be mixed for you by your pharmacist. Do not mix REVATIO oral suspension with other medicine or flavoring.
  • If you or your child take too much REVATIO, call your healthcare provider or go to the nearest hospital emergency room right away.

What are the possible side effects of REVATIO?

REVATIO may cause serious side effects, including:

  • See “What is the most important information I should know about REVATIO?”
  • Decreased blood pressure. REVATIO may cause low blood pressure that last for a short time. If you take medicines to treat high blood pressure, your healthcare provider should monitor your blood pressure during treatment with REVATIO.
  • Decreased eyesight or permanent loss of vision in one or both eyes can be a sign of non-arteritic anterior ischemic optic neuropathy (NAION). Most people who develop NAION have certain risk factors. You can ask your healthcare provider if you have questions about risk factors for NAION. If you notice a sudden decrease or loss of vision in one or both eyes during treatment with REVATIO, contact your healthcare provider right away.
  • Sudden decrease or loss of hearing, sometimes with ringing in the ears and dizziness. If you notice a sudden decrease or loss of hearing during treatment with REVATIO, contact your healthcare provider right away.
  • In men, an erection that lasts for more than 4 hours (priapism). If you have an erection, with or without pain, that lasts more than 4 hours, contact your healthcare provider or get emergency medical help right away. A painful erection that lasts more than 6 hours must be treated right away or you can have lasting damage to your penis, including the inability to have erections.

The most common side effects of REVATIO in adults include:

  • nosebleeds
  • headache
  • upset stomach
  • getting red or hot in the face (flushing)
  • arm or leg pain
  • muscle aches and pain
  • back pain
  • diarrhea

The most common side effect of REVATIO in children is an erection that lasts for more than 4 hours (priapism).

These are not all the possible side effects of REVATIO.

Call your doctor for medical advice about side effects. You may report side effects to FDA at 1‑800-FDA-1088.

How should I store REVATIO?

  • Store REVATIO tablets at room temperature between 68°F to 77°F (20°C to 25°C).
  • Store mixed (reconstituted) REVATIO oral suspension below 86°F (30°C) or in a refrigerator between 36°F to 46°F (2°C to 8°C).
  • Do not freeze mixed REVATIO oral suspension.
  • Throw away (discard) any remaining REVATIO oral suspension 60 days after mixed by the pharmacist. See the “Discard after” date written on the bottle label.

Keep REVATIO and all medicines out of the reach of children.

General information about the safe and effective use of REVATIO.

Medicines are sometimes prescribed for purposes other than those listed in a Patient Information leaflet. Do not use REVATIO for a condition for which it was not prescribed. Do not give REVATIO to other people, even if they have the same symptoms that you have. It may harm them. You can ask your healthcare provider or pharmacist for information about REVATIO that is written for health professionals.

What are the ingredients in REVATIO?

Active ingredients: sildenafil citrate

Inactive ingredients:

REVATIO tablets: anhydrous dibasic calcium phosphate, croscarmellose sodium, hypromellose, lactose monohydrate, magnesium stearate, microcrystalline cellulose, titanium dioxide, and triacetin

REVATIO oral suspension: citric acid anhydrous, colloidal silicon dioxide anhydrous, grape flavor, sodium benzoate, sodium citrate dihydrate, sorbitol, sucralose, titanium dioxide, and xanthan gum

Distributed by:
Viatris Specialty LLC
Morgantown, WV 26505 U.S.A.

UPJ:PL:RVTTOSI:RX2
For more information call Viatris at 1-877-446-3679 (1-877-4-INFO-RX).

This Patient Information has been approved by the U.S. Food and Drug Administration.     Revised: January 2023

Sources

RxCUI: 581645

NDC: 694190

Last fetched: May 18, 2026

Source: DailyMed ↗

⚠️ Disclaimer

This information is for educational purposes only and is not medical advice. Always consult your doctor, pharmacist, or other licensed healthcare professional before starting, stopping, or changing any medicine. Read full medical disclaimer.