Proper Use
Drug information provided by: Merative, Micromedex®
Use sildenafil exactly as directed by your doctor. Do not use more of it and do not use it more often than your doctor ordered. If too much is used, the chance of side effects is increased.
This medicine comes with a patient information leaflet. Read and follow these instructions carefully before you start using sildenafil and each time you get a refill of your medicine. Ask your doctor if you have any questions.
You may take this medicine with or without food.
To use the oral liquid:
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Shake the bottle well for at least 10 seconds before each use.
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Remove the cap by pushing it down and twisting it counter-clockwise. Push the plunger of the syringe, then insert the tip into the bottle while holding the bottle upright on a flat surface.
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Slowly pull back the plunger until the required dose. If you see air bubbles in the syringe, repeat the steps. Remove the syringe from the bottle. Do not press on the plunger of the syringe.
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Place the tip of the syringe into you or your child's mouth and point it towards the cheek.
This medicine usually begins to work for erectile dysfunction within 30 minutes after taking it. It continues to work for up to 4 hours, although its action is usually less after 2 hours.
Use only the brand of this medicine that your doctor prescribed. Different brands may not work the same way.
Dosing
The dose of this medicine will be different for different patients. Follow your doctor's orders or the directions on the label. The following information includes only the average doses of this medicine. If your dose is different, do not change it unless your doctor tells you to do so.
The amount of medicine that you take depends on the strength of the medicine. Also, the number of doses you take each day, the time allowed between doses, and the length of time you take the medicine depend on the medical problem for which you are using the medicine.
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For treatment of erectile dysfunction:
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For oral dosage form (tablets):
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Adults up to 65 years of age—50 milligrams (mg) as a single dose no more than once a day, 1 hour before sexual intercourse. Alternatively, the medicine may be taken 30 minutes to 4 hours before sexual intercourse. Your doctor may adjust your dose if needed.
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Adults 65 years of age and older—25 mg as a single dose no more than once a day, 1 hour before sexual intercourse. Alternatively, the medicine may be taken 30 minutes to 4 hours before sexual intercourse. Your doctor may adjust your dose if needed.
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Children—Use is not recommended.
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For treatment of pulmonary arterial hypertension:
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For oral dosage forms (suspension or tablets):
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Adults—20 milligrams (mg) 3 times a day. Your doctor may adjust your dose as needed and tolerated. However, the dose is usually not more than 80 mg 3 times a day.
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Children 1 year of age and older weighing 45 kilograms (kg) or more—20 mg 3 times a day. Your doctor may adjust your dose as needed and tolerated. However the dose is usually not more than 40 mg 3 times a day.
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Children 1 year of age and older weighing 20 to 45 kg—20 mg 3 times a day.
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Children 1 year of age and older weighing 20 kg or less—10 mg 3 times a day.
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Children younger than 1 year of age—Use and dose must be determined by your doctor.
Storage
Store the medicine in a closed container at room temperature, away from heat, moisture, and direct light. Keep from freezing.
Keep out of the reach of children.
Do not keep outdated medicine or medicine no longer needed.
Ask your healthcare professional how you should dispose of any medicine you do not use.
Store mixed oral liquid in the refrigerator. Throw away any unused mixed Revatio® oral liquid after 60 days.
Portions of this document last updated: Aug. 01, 2024
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