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Treats erectile dysfunction (trouble having an erection). Helps a man have an erection or have a better erection of his penis during sex. Also treats a lung condition called pulmonary arterial hypertension.
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Viagra, Revatio |
| Overview |
Photos |
How To Use |
Side Effects |
Precautions |
Missed Dose |
Drug Interactions |
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Sildenafil
Viagra, Revatio
Uses
Treats erectile dysfunction (trouble having an erection). Helps a man have an erection or have a better erection of his penis during sex. Also treats a lung condition called pulmonary arterial hypertension.
Storage
- Store the medicine in a closed container at room temperature, away from heat, moisture, and direct light.
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Ask your pharmacist, doctor, or health caregiver about the best way to dispose of any outdated medicine or medicine no longer needed.
Keep all medicine away from children and never share your medicine with anyone.
How To Use
- APPEARANCE: Tablet.
Your doctor will tell you how much of this medicine to use and how often.
- Do not use more medicine or use it more often than your doctor tells you to.The usual schedule is to take this medicine about 60 minutes (1 hour) before having sex.
Do not use this medicine more than one time a day.
- Always allow at least 24 hours between doses.
- In some cases, your doctor might tell you not to use this medicine more than once every three days (72 hours).
You may take this medicine with or without food.
It is best to not eat a high-fat meal before using this medicine, because it may take longer for the medicine to work.
Side Effects
- Call your doctor right away if you notice any of these side effects:
Allergic reaction: Itching or hives, swelling in your face or hands, swelling or tingling in your mouth or throat, chest tightness, trouble breathing.
Chest pain, especially if it spreads to your jaw or arm.
Erection that is painful or lasts longer than 4 hours.
Fever, or sudden increase in body temperature.
Lightheadedness or fainting.
Nosebleeds.
Numbness, tingling, or burning pain in your hands, arms, legs, or feet.
Sudden changes in your vision or changes in how you see colors (especially blue or green).
Sudden or severe headache.
Trouble breathing.
Precautions
- You should not use this medicine if you have had an allergic reaction to sildenafil, or if you are using a nitrate medicine, often used to treat angina (chest pain).
- Nitrate medicines include nitroglycerin, isosorbide, Imdur®, Nitro-Bid®, Nitrostat®, Nitro-Dur®, Transderm Nitro®, Nitrol® Ointment, and Nitrolingual® Spray.
- Some illegal ("street") drugs called "poppers" also contain nitrates.
Drug Interactions
- Make sure your doctor knows if you have diabetes, high cholesterol, liver disease, kidney disease, a stomach ulcer, problems with the retina in your eyes (retinitis pigmentosa), or if your penis has an abnormal shape.
- Also tell your doctor if you are currently on bosentan therapy.
Your doctor needs to know if you have heart disease, a bleeding disorder, or problems related to your blood cells.
- This includes valve problems, uneven heartbeats, high or low blood pressure, chest pain, heart failure, sickle cell anemia, or cancer of the blood (leukemia or multiple myeloma).
- Also tell your doctor if you or anyone in your family has a heart condition called "long QT syndrome."
Tell your doctor if you have ever had chest pain during sex.
- Make sure your doctor knows if you have had a stroke or heart attack within the past 3 to 6 months.
- Your doctor should also know if you smoke or if you are over 50 years old.
If you do not have an erection or if you are unhappy with your erection after taking this medicine, tell your doctor.
- This medicine will not cause an erection unless you are sexually stimulated.
This medicine will not protect you from sexually transmitted diseases (including HIV or AIDS).
- This medicine will not prevent pregnancy and should not be used as a form of birth control.
- If this is a concern for you or your partner, talk with your doctor.
This medicine may cause the penis to become erect at unwanted times, or to stay erect for longer than needed.
- If you have an erection that lasts longer than 4 hours, call your doctor right away or go to an emergency room.
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CONDITIONS OF USE: The information in this database is intended to supplement, not substitute for, the expertise and judgement of healthcare professionals. The information is not intended to cover all possible uses, directions, precautions, drug interactions or adverse effects, nor should it be construed to indicate that use of a particular drug is safe, appropriate or effective for you or anyone else. A healthcare professional should be consulted before taking any drug, changing any diet or commencing or discontinuing any course of treatment.
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