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    What is Revatio used for?

    Revatio (Sildenafil) is prescribed for the treatment of pulmonary arterial hypertension and improve the exercise capacity in men and women. It works by relaxing the muscles of blood vessels and increases blood flow to particular areas of the body. Sildenafil is also sold under the name Viagra to treat erectile dysfunction in men.

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    Revatio Information

    How to Use Revatio?

    Use Revatio exactly as instructed by your doctor. Do not use more of it than prescribed. Do not use it more often than your doctor recommends. If you use it too often, you increase your chances of experiencing adverse effects. 

    Patient information comes in the packaging when you buy generic Revatio online. Read the instructions carefully before you start Revatio and every time you get your medication refilled. 

    You can take Revatio with or without food. 

    If you are using the oral suspension, shake the bottle well for a minimum of 10 seconds before each dose. Use the oral syringe provided in the package to measure each dose. Ensure you wash the oral syringe after each use. 

    Revatio begins to work for erectile dysfunction within 30 minutes of taking it. It will continue to work for up to 4, but the action is usually less after 2 hours. Use only the prescribed brand of this medication, different brands may work differently.

    Revatio Drug Interactions

    Although certain medications shouldn’t be used together at all, in some cases two medications that otherwise interact can still be used together. In these cases, your doctor will likely take precautions like changing your dose.

    The following medications may interact with Revatio:

    This is not an exhaustive list of drug interactions with Revatio. Ensure that your doctor has a full list of the medications you use so that they can monitor properly for drug interactions.

    This list should have the prescription and non-prescription drugs as well as any herbal products you may be taking.

    If you have questions or concerns about drug interactions when you buy generic Revatio online you can ask one of our customer care agents to transfer you to a licensed pharmacist by calling 1-844-416-4282.

    Other interactions

    Certain kinds of medications shouldn’t be used together with food or when eating certain kinds of food. Using alcohol or tobacco with certain medications can also cause interactions to occur. The following interactions have been selected on the basis of their potential significance and aren’t necessarily all-inclusive.

    Using Revatio with any of the following can cause an increased risk of certain side effects but can, in some cases, be unavoidable. If used together, your doctor will adjust the dose or give you instructions about the use of food alcohol or tobacco.

    • Grapefruit Juice
    • Pomelo Juice

    Other medical problems

    If you have other medical problems they may affect the use of Revatio. Ensure you tell your doctor if you have any other medical problems. Especially of:

    • Abnormal penis, including birth defects or a curved penis
    • Angina (severe chest pain)
    • Arrhythmia (irregular heartbeat, within the last 6 months)
    • Hypotension (low blood pressure)
    • Retinal disorders (eye problems)
    • Age greater than 50 years
    • Diabetes
    • Heart disease
    • Hyperlipidemia (high fats in the blood)
    • Bleeding disorders
    • Stomach ulcer
    • Liver disease, severe
    • Leukemia (blood related cancer)
    • Sickle-cell anemia (blood disorder)
    • Pulmonary Veno-occlusive disease or PVOD (a type of lung disease)

    This is not an exhaustive list of drug interactions. Your doctor will have more information about drug interactions and you should always talk to them before you buy generic Revatio online so that you know you have complete information.

    What are side effects of Revatio?

    Alongside the needed effects of Revatio, you may also experience adverse effects. Though not all side effects will occur and many of them are minor and do not need medical attention, some side effects are very serious and need to be treated with immediate medical attention.

    If the following side effects occur check with your doctor immediately:
    Less common

    • Bladder pain
    • Burning feeling in the chest or stomach
    • Burning, crawling, itching, or tingling feelings
    • Cloudy or bloody urine
    • Indigestion
    • Pain on urination
    • Tenderness in the stomach area


    • Abnormal vision
    • Anxiety
    • Behavior change similar to drunkenness
    • Bleeding of the eye
    • Bone pain
    • Breast enlargement
    • Chest pain
    • Chills
    • Cold sweats
    • Deafness or hearing loss
    • Double vision
    • Drowsiness
    • Dry eyes
    • Dry mouth
    • Excessive hunger
    • Eye pain
    • Fainting or faintness
    • Fever or chills
    • Headache (severe or continuing)
    • Increase in the size of the pupil
    • Nervousness
    • Nightmares
    • Numbness of the hands
    • Painful, swollen joints
    • Prolonged, painful erection of penis
    • Redness, burning, or swelling of the eyes
    • Skin ulcers
    • Slurred speech
    • Trouble breathing
    • Twitching of the muscles
    • Vision changes
    • Vision loss, temporary

    Incidence not known

    • Blindness

    Some side effects are mild in nature and do not need medical attention. These side effects may go away during treatment as your body adjusts to the medication. Your health care professional might also be able to tell you how to lessen the effects of some side effects. If any of the following side effects are bothersome or continue, talk with your doctor:
    More common

    • Aches or pains in the muscles
    • Bloody nose
    • Diarrhea
    • Flushing
    • Headache
    • Redness of the skin
    • Unusually warm skin


    • Abdominal or stomach pain
    • Abnormal dreams
    • Anxiety
    • Clumsiness or unsteadiness
    • Cough
    • Increased skin sensitivity
    • Lack of coordination
    • Loss of bladder control
    • Mental depression
    • Nausea
    • Tense muscles
    • Trembling and shaking
    • Vomiting
    • Waking to urinate at night
    • Worsening of asthma

    Other side effects that are not listed here may occur in some patients. If you notice other effects not listed here, check in with a healthcare professional.

    Disclaimer: The information provided here is for informational purposes only and is not intended to replace the medical advice provided by a certified medical professional. You require your doctor's approval prior to buying or using Prescription Drugs sold here. We do have a pharmacist on staff if your doctor is unavailable to provide medical advice when you buy Revatio online. Do not use the information here to ignore or contradict advice provided by a licensed medical professional. Always seek medical advice if you have any questions or concerns about this medication.