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Viagra is a well-known FDA-approved medication for erectile dysfunction. Sildenafil is an active ingredient in viagra; it is a phosphodiesterase (PDE) inhibitor used to treat erectile dysfunction. Viagra is the brand name of sildenafil.

However, this drug is not suitable for women and is not recommended for men who are allergic to it.

The active ingredient in viagra is sildenafil.

Viagra is a prescription medication and should not be used by people with certain medical conditions, such as hypertension, renal impairment, or who have recently had a cardiovascular or severe liver impairment. It may not work properly in some people and may even interact with the body’s tissues.

Do not exceed the recommended dose. If you experience symptoms of dizziness, lightheadedness, fainting, flushing, headache, or heartburn after taking viagra, let your doctor do so.

For medicinal products, avoid taking it within the first 6 months of a person’s bleeding.

Do not take viagra if you:

  • are pregnant or trying to become pregnant.
  • are allergic to sildenafil or any of its ingredients.
  • take any medicines containing nitrates, such as nitroglycerin, early-warning Nitrates, migraines or acres of crops, including soybeans.

  • are trying to get pregnant or are pregnant.
  • take any medicines containing inflammation-inducing hormones, such as those from hormone replacement therapy (HRT) or cancer treatment.

Before taking viagra, tell your doctor about yourallergy. Also, tell your doctor about all your other medicines, including non-prescription medicines, vitamins, and herbal supplements. Viagra may interfere with your ability to drive a light motor and may affect the way other medicines work.

References
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  • For Revatio®
ReferenceAdditional Information

Viagra is a prescription medication used to treat erectile dysfunction (ED) in men. It is a phosphodiesterase (PDE) inhibitor used to treat erectile dysfunction (impotence). Viagra is a PDE 5 inhibitor. Viagra increases blood flow to the penis, making it easier for men to get and maintain an erection. It also increases blood flow to the genitals and may help men with ED gain and maintain an erection.

It is a PDE 5 inhibitor. Viagra is a phosphodiesterase (PDE) inhibitor used to treat erectile dysfunction (impotence). It also increases blood flow to genitals and may help men with ED gain and maintain an erection.

For more information about Viagra, read the product information leaflet.

We have evaluated the efficacy and safety of Viagra in clinical trials and have not found any significant differences in any clinical trial between the two formulations. The clinical trials were carried out in the UK, USA, Canada, Australia, and Europe.

If you’re a woman who is struggling with impotence, or if you’ve decided to start a new sex life, you’ve probably heard about Viagra and its impact on the sex lives of women. But what’s the point of having a pill if you can’t afford it? We’ll answer these questions first:

What is Viagra?

Viagra is a prescription drug used to treat erectile dysfunction (ED). It’s a prescription drug that’s available without a prescription. This means that you don’t have to visit a doctor’s office or clinic to get a prescription. There are many different types of Viagra, including sildenafil, which is the generic name for Viagra. In fact, sildenafil is the most popular brand of Viagra available without a prescription. This medication has been used to treat ED since 1998. However, it’s important to note that Viagra doesn’t have to be taken daily. It can be taken only on demand, and the effects of the drug won’t be noticeable for days after you stop taking the medication.

What is sildenafil?

Sildenafil is the brand name for the drug Viagra. It’s also the generic name for Viagra. It’s the active ingredient in the brand-name medication. Viagra is the generic name for the drug Viagra. Viagra is sold under the brand name Revatio. It’s used to treat the symptoms of erectile dysfunction and premature ejaculation in men. Viagra is available as 50 mg tablets and 25 mg capsules. The generic name is Viagra. Revatio is the generic name for the drug Revatio.

Can I take Viagra and its generic name?

Yes, you can take Viagra and its generic name. You can buy Viagra (sildenafil) without a prescription, or you can purchase the brand name drug Revatio without a prescription. You can still take Viagra at a local pharmacy. However, you will need a prescription before you can take Viagra.

Does Viagra interact with other medications?

No, Viagra doesn’t interact with other medications. It’s important to tell your doctor about any other medications you are taking, such as nitrates (used for heart conditions), alpha-blockers (used for high blood pressure and prostate problems), and antibiotics (used for bacterial infections).

Does Viagra have side effects?

Yes, Viagra has side effects. Common side effects include headache, flushing, upset stomach, stuffy or runny nose, back pain, muscle pain, and stuffy nose. Rare side effects include muscle pain, weakness, or trouble breathing, vision changes, and seizures. In rare cases, Viagra may cause serious side effects like sudden vision loss, sudden hearing loss, sudden hearing loss, chest pain, or unexplained muscle pain.

How does Viagra work?

Viagra is a prescription medication that helps men with ED achieve and maintain an erection when they are sexually stimulated. Viagra works by blocking the PDE5 enzyme, which is responsible for breaking down cyclic guanosine monophosphate (cGMP). cGMP is a chemical that relaxes smooth muscle and increases blood flow. By opening up the arteries and veins that carry blood to the penis, Viagra helps the penis fill with blood more easily. The penis can get flaccid for up to 6 hours after taking Viagra.

Is there a generic version of Viagra?

Yes, the generic version of Viagra is called Revatio. It’s available in a 50 mg tablet. Viagra is also available in 100 mg, 150 mg, and 200 mg tablets. Revatio is available in a 100 mg capsule. You can buy Revatio capsules as a prescription only. There’s no generic version of Viagra.

How do I take Viagra?

You can take Viagra by mouth with or without food. Take Viagra with a glass of water. However, taking Viagra with a high-fat meal may delay its onset of action. You should also avoid taking Viagra with grapefruit or grapefruit juice.

VIAGRA, VIAGRA® Erectile Dysfunction Treatment Online

VIAGRA, VIAGRA® Erectile Dysfunction Treatment Online (vardenafil, sildenafil) is an effective treatment for men with ED that helps improve erectile function. Sildenafil and Vardenafil are both PDE5 inhibitors, and each has its own advantages and disadvantages.

What is Viagra?

Sildenafil is the generic name of Viagra. Sildenafil is used to treat erectile dysfunction, a condition in which a man cannot achieve or maintain an erection adequate for sexual activity. It is a phosphodiesterase type 5 (PDE5) inhibitor. Sildenafil works by increasing blood flow to the penis to help a man get and keep an erection. However, Vardenafil can also cause a sudden drop in blood pressure, which can cause dizziness, fainting, or even a heart attack.

Is Viagra Viagra?

Sildenafil is the brand name for Viagra. Sildenafil is the generic name for Viagra. Sildenafil is used to treat erectile dysfunction in men. It is also used to treat pulmonary arterial hypertension (PAH). Vardenafil may also be used for other purposes not listed in this medication guide.

Is Vardenafil Viable?

Vardenafil is not available as a brand name, but it can be produced by Pfizer, Aurobindo Pharma, Difco, Sun Pharmaceutical Industries Ltd, Torrent Pharmaceuticals Ltd, Sandoz, Unilevel, and Teva. Vardenafil is available as generic Viagra.

Is Sildenafil Safe?

Sildenafil is not considered safe for use by women. It is not recommended for use by men who are pregnant or breastfeeding. It should be used with caution in individuals with cardiac problems, particularly those with pre-existing heart conditions. Sildenafil should be used with caution in individuals with liver or kidney problems, particularly those with advanced liver disease. It should be used only if clearly needed.

How should I take Viagra?

The recommended starting dose of Viagra is 50 mg. Do not take more than one dose per day. Swallow the tablet whole with water. Do not chew, break, or crush the tablet. The dose may be increased to a maximum of 100 mg or decreased to 25 mg if necessary. If you have any questions about how to take Viagra, talk to your doctor or pharmacist.

Who should NOT take VIAGRA?

Do not take VIAGRA if you:

  • are allergic to sildenafil or any ingredients of the medication
  • have an underlying medical condition such as high blood pressure, heart failure, or pulmonary arterial hypertension (PAH)
  • have low blood pressure that is not controlled
  • have an erection that is difficult to achieve or maintain an erection for sexual intercourse
  • have uncontrolled diabetes or a history of stroke
  • have severe liver problems
  • have severe kidney problems
  • have severe heart problems or a very low blood pressure that is not controlled
  • have ever had severe vision loss or a rare inherited eye disease
  • have a deformed penis

What are the potential side effects of Viagra?

The most common side effects of Viagra are:

  • headache
  • upset stomach
  • decreased libido
  • feeling sleepy or drowsy
  • decreased erections

The most common side effects of Vardenafil are:

  • nausea
  • flushing
  • indigestion
  • back pain
  • muscle aches
  • dizziness
  • blurred vision
  • chest pain

Other side effects may be more likely to occur in individuals taking Vardenafil.

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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Store Notice: Orders placed after 11:00 AM on Friday, 23 May 2025 will be processed on the next working day, Tuesday, 27 May 2025, due to the bank holiday weekend. Thank you for your understanding.

Product variants

Default Dose: 25mg, 50mg, 100mg

Delivery & Returns

Yes, we can deliver to:

  • Increased awareness of ED
  • Increased awareness of its prevalence
  • More people experiencing ED than before the law applied

Yes, we can ship to:

    No, we cannot ship to...

      Pfizer is recalling all prescription and over-the-counter (OTC) medicines that contain sildenafil. These drugs are used to treat erectile dysfunction. They contain the same active ingredients as Viagra, but have different dosing and side effects. Men taking Viagra must take the medicine before having sex. Sildenafil works by increasing blood flow to the penis to help a man get and keep an erection. It is also available as a generic medicine, and is sold under the brand name Viagra. However, the FDA has advised men not to use these drugs if they are used for more than a year. Sildenafil can cause serious side effects. If you experience any of the following serious side effects, stop taking the medication and seek emergency medical attention immediately: chest pain, nausea, sweating, severe dizziness, fainting, fainting or a sudden loss of vision in one or both eyes.

      These drugs are not approved for use in men and should only be taken under the guidance of a medical professional. Men should not engage in sexual activity for one week before and after taking these drugs.