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Pharmacotherapeutic group:M01AH0079-01.

Sildenafil Citrate is used for the treatment of erectile dysfunction and pulmonary arterial hypertension in men. This medicine may also be used for the treatment of pulmonary arterial hypertension, also known as high blood pressure in the right side of the heart (PAH).

Indications:Used for the treatment of pulmonary arterial hypertension (PAH).

Dosage:Take one tablet about 1 hour before sexual activity.

Administration:Use Sildenafil Citrate exactly as prescribed.

Contraindications:Not recommended for use in patients with hypersensitivity to nitrates or nitrites, nitroprusside, or nitroglycerin. Also avoid use in patients with severe cardiac disease, unstable angina, severe liver or kidney impairment, concomitant disease with a known or suspected pulmonary arterial hypertension.

Side Effects:Gastrointestinal disturbance, headache, dizziness, flushing, dyspepsia, nasal congestion, dizziness, back pain, muscle pain, itching, and rash. Some side effects may go away on their own, but they are usually mild and subside with time. However, if they persist or get worse, please consult a doctor.

Warnings:For external use only. Do not take Sildenafil Citrate if you are allergic to any ingredient in Sildenafil Citrate or if you have severe heart or liver problems, heart arrhythmias (ineseding or tachycardias), angina (chest pain), or if you have been taking other medicines known as alpha-blockers (duloxetine, tadalafil, verapamil), or alpha-blockers for prostate problems, prostate cancer, or enlarged prostate. Do not take this medicine if you are allergic to it, if you suffer from asthma, itraconazole, ketoconazole, isotretinoin, or ketotifen for the treatment of sunburn in adults. If you are taking nitrates, please talk to your doctor before taking Sildenafil Citrate. Nitrates are found in many medications, so do not take this medicine if you are currently using any nitrate medications (including nitroglycerin containing medications) including the medicines of this group. Ask your doctor about using the lowest effective dose for the shortest possible time. Do not use Sildenafil Citrate if you use recreational drugs, or if you use nitrates, or as indicated in this leaflet. If you are a woman, Sildenafil Citrate should only be used for the treatment of erectile dysfunction and/or pulmonary arterial hypertension.

Precautions:Do not use in the last 3 months of pregnancy. Consult your doctor if you have a history of heart attack, stroke or irregular heartbeat, high or low blood pressure in one of the affected areas of the body, liver disease, kidney disease, heart failure, angina, liver or kidney problems, a history of peptic ulcers or gastric ulcers or bleeding disorders. Inform your doctor if you are taking any other medicines.

References

Sildenafil Citrate: Product details, manufacturer information, and more.

Copyright(c) 2025 First. All rights reservedys.

Sildenafil Citrate Manufacturer: Pfizer Pharma Limited.

Product variants

Default Title - Sildenafil Citrate 50mg - US Brand - Generic - UK - Generic - UK - Canada - UK - Europe - USA - EU - APAC - India - South Africa - Russia - Ukraine - Japan - - APAC - - APAC- India - - APAC- EU - - EU APAC- EU - - EU APAC- EU - - EU

Therapeutic Class

Sildenafil Citrate

Active ingredient: Sildenafil Citrate

Formulation Type - Pharmacokinetic

Pharmacologically Active ingredient: Sildenafil Citrate

Pharmacokinetics: Rapid and Non-persistent.

Pharmacokinetics in Healthy Male Population: Rapid and Non-persistent.

Pharmacokinetics in Healthy Female Population: Rapid and Non-persistent.

Pharmacokinetics in Healthy Males: Rapid and Non-persistent.

Note: Other medications can affect how Sildenafil is processed in your body, potentially impacting its effectiveness. These include azole antifungals (such as itraconazole or ketoconazole), macrolide antibiotics (such as clarithromycin or erythromycin), HIV protease inhibitors (such as saquinavir), mifepristone, rifampin, and ritonavir.

Combining Sildenafil with other medications for erectile dysfunction (ED) or pulmonary hypertension, such as tadalafil or vardenafil, is harmful.

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What are the side effects?

All Top Selling Urological Medications have side effects.

The most common side effects are headache, back pain, muscle aches, and nasal congestion. These side effects are usually mild and temporary.

Other less common side effects include nausea, diarrhea, and dizziness. Contact your doctor if you experience severe or persistent side effects.

Other side effects may be more likely to occur, but they are not considered severe or persistent.

Although notAll Medicines are safe and effective, you should stop using them if you suffer from heart problems, high blood pressure, recent stroke, heart attack, or a heart-related condition. Do not stop using any medications without consulting your doctor.

Always discuss all medications you're taking with your doctor before starting or stopping any medication.

This medicine may also have side effects that persist for a longer duration than the prescribed dose or for a lower dose. Do not take dosing decisions on your own without consulting your doctor.

This list does not cover all possible side effects. You may also want to discuss all your prescription and over-the-counter medications with your doctor.

What are the interactions with Sildenafil?

While it's important to note that Sildenafil can interact with other medications, it's essential to note that none of these medications have been approved by the FDA.

There are some interactions with Sildenafil that may affect how Sildenafil works or the effectiveness.

Nitrates

Nitrates can cause a dangerous drop in blood pressure. This can lead to dizziness or fainting. Contact the doctor immediately if you experience these symptoms.

Alpha Blockers

Alpha Blockers can cause a drop in blood pressure. This list does not include all types of alpha blockers.

Other Medications

Other medications that can affect Sildenafil's working or reducing levels of Sildenafil include tadalafil, vardenafil, diltiazem, and verapam.

Taking any of these medications with Sildenafil will not affect its effectiveness or safety, but it may lead to interactions with other medications that may affect how Sildenafil works.

Sildenafil citrate, commonly known by the brand name, is a prescription-only medicine used to treat erectile dysfunction (ED) in adult men. It works by improving blood flow to the penis, helping to achieve and maintain an erection during sexual activity.

Dosage and Administration

Sildenafil is available in 25mg, 50mg, and 100mg strengths.

  • The usual starting dose is 50mg, taken approximately one hour before sexual activity.
  • Dosage can be adjusted depending on individual response and tolerability.
  • Take only one tablet in 24 hours, with or without food.
  • Avoid grapefruit juice, as it can increase the risk of side effects.
  • A high-fat meal may delay onset of action.

Effectiveness

Sildenafil has been shown to be effective in up to 80% of men with ED, with effects typically noticeable within 30 to 60 minutes, and lasting for up to 4–5 hours.

Side Effects

Common side effects include:

  • Headache
  • Flushing
  • Nasal congestion
  • Indigestion

Less common but serious effects include visual disturbances, hearing changes, or prolonged erections. Seek medical attention if severe or persistent side effects occur.

Contraindications

Sildenafil should not be used by those:

  • Taking nitrates for chest pain
  • With severe heart or liver conditions
  • Under 18 years of age
  • With certain medication interactions (e.g. alpha-blockers, antifungals, antibiotics)

Interactions

Inform your doctor of all medications and supplements before use. Interactions may occur with:

  • Nitrates
  • Alpha-blockers
  • Some antibiotics and antifungal medicines

Alcohol and Heart Conditions

Avoid excessive alcohol while taking sildenafil, as it can lower blood pressure and increase side effect risk. Use with caution if you have any heart-related conditions.

Availability and Cost

Sildenafil is available by prescription only in the UK.

  • Generic versions are more affordable than branded Viagra.
  • Supplied by licensed UK pharmacies such as Online Chemist.
  • Avoid counterfeit products from unregulated websites.

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Sildenafil citrate is available as a in tablets, oral suspension, and nasal spray. Inhalers of this medication are for topical use only. When ordering this product online in the UK, you will be required to- see our online pharmacist.

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Introduction About VIAGRA 50MG TABLET

Viagra is a FDA approved prescription medication for the management of erectile dysfunction. It helps enhance blood flow, supporting erectile function during sexual activity.

Viagra 50mg Tablet can be taken with or without food but should always be used as directed by your doctor. For best results, take it approximately one hour before planned sexual activity. While the time it takes to work may vary from person to person, it usually starts acting within 30 minutes to an hour. This medicine works only when there is sexual stimulation. Do not exceed the recommended dose of one tablet in 24 hours.

Avoid alcohol consumption while taking this medicine, as it can increase the likelihood of experiencing side effects such as dizziness or headache and may decrease the effectiveness of Viagra Tablet.

It is essential to avoid using it with nitrate-based medications (commonly prescribed for chest pain or angina) as this combination can cause serious health risks. Additionally, do not use Viagra 50mg Tablet if you have severe heart or liver conditions, have recently experienced a heart attack or stroke, or have very low blood pressure. Always inform your doctor about your medical history before starting this medication.

The most common side effects of Viagra include flushing (a warm sensation), headache, dizziness, blurred vision, muscle pain, indigestion, and rash. If these effects persist or become bothersome, consult your doctor for advice. They may adjust your dosage or suggest an alternative treatment. Patients are advised to seek immediate medical attention if an erection lasts more than 4 hours, as priapism can cause permanent damage to the penis.

What is Viagra (sildenafil)

Viagra 50mg Tablet is a phosphodiesterase type 5 (PDE5) inhibitor. It works by relaxing the blood vessels in your penis, thereby facilitating an enlarged blood flow that can be use when sexual activity is desired.

Benefits of Viagra:

  • The improved erectile function in men
  • A stronger heart
  • Better blood circulation in the penis
  • May be used during other erectile dysfunction conditions, such as pulmonary arterial hypertension

The benefits of Viagra include:

  • The enhanced erectile function in men

    It is essential to inform your doctor about any medical conditions you have or take as instructed by your doctor. They may need to adjust your dosage or prescribe an alternative medication.

    Viagra 50mg Tablet is generally well-tolerated, but possible side effects may be similar to those of other medications. Always follow your doctor’s instructions for taking this medication.

    The most common side effects of Viagra include:

    • Fainting
    • It may make it difficult to get or keep an erection
    • Dizziness
    • Swelling

    If you experience any of the following side effects or trouble taking your dose, contact your doctor immediately:

    • Changes in mood
    • Dry mouth
    • Headache
    • indigestion
    How long does it take Viagra to work

    Viagra can work for up to 36 hours, depending on the severity of the erectile dysfunction. While Viagra 50mg Tablet is generally considered effective in treating erectile dysfunction, it may take longer to work if you take it with food. This means that taken during the meal, your doctor may adjust the dosage or recommend an alternate medicine.

    For detailed information on how to take Viagra 50mg Tablet, pct.illing.resver.it is directedakno._______dubD.med-go-peenlemann.nih.desert.mtd.gov contact email To consult with a doctor about salts and dosage, please call 1-800-438-5enhagen

    This medication is available in tablet and capsule forms. This medication is intended for oral administration. The duration of action of Viagra 50mg Tablet is up to 36 hours.