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Viagra (sildenafil)

Consultation & treatments

Video: Introduction to Viagra

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Viagra (Sildenafil) 100mg

£6.88 per tablet

Prescription only

Sildenafil 50mg 4 Tablets

Minimum Charge of £8.50 may apply

Sildenafil 50mg 4 Tablets

£0.85 per unit

Prescription only

Sildenafil 100mg 4 Tablets

Minimum Charge of £8.50 may apply

Sildenafil 100mg 4 Tablets

£0.85 per unit

Prescription only

What is Viagra?

Viagra (sildenafil) is classed as a "PDE5 inhibitor" and was the first erectile dysfunction treatment to be launched in the UK by Pfizer. Viagra comes as a blue pill, available in three strengths - 25mg, 50mg and 100mg and in pack sizes of 4 or 8 tablets. The active ingredient of Viagra is also available as a generic medicine called sildenafil. This generic form of Viagra contains the same active ingredient and is a fully licensed UK medicine, used in the same way as Viagra, as is Nipatra -a chewable sildenafil tablet.

Further to a consultation, the Pharmacy2U Online Doctor can prescribe sildenafil at significantly lower prices than its branded equivalent, should you wish to use the lower priced generic version. Nipatra is also available should you want a chewable sildenafil tablet, but costs more than the other generic versions of Viagra.

What are the key benefits of Viagra?

Viagra (sildenafil) works in most men no matter how long they have had erectile dysfunction, how bad their problems are, how old they are or what caused the problems. It has been studied in thousands of patients and used successfully by millions. About 20% of men with erection problems will not respond to Viagra

If you don't have a prescription for Viagra or Sildenafil, click the green button (above) to begin a Consultation. If you have a prescription, click one of the products or use the search bar above to buy Viagra.

If you don't have a prescription, start an online consultation

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Start a GP Consultation, choose treatment or let the Doctor decide
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Login into your account and complete purchase.

How does Viagra work?

Viagra (sildenafil) works by relaxing the blood vessels to the penis, so allowing better blood flow and takes from 20 to 60 minutes to get to work. It may take longer to work if taken with a heavy meal as this slows the medicine getting into the blood stream. For Viagra to be effective, sexual stimulation is needed and it remains effective for 4 to 5 hours.

When using Viagra or Sildenafil for the first time it is important that you give it a chance to work. It may take a few tries before things start to work again, but many patients are not told this and expect the medicines to work like magic. The important things to remember are:

  • In all cases you will need sexual stimulation even when you have taken Viagra or sildenafil.
  • Wait a while after taking Viagra. To be safe wait an hour after you take your tablet, although 30 minutes will be OK in many cases unless you have had a heavy meal, in which case you may need to wait an hour.
  • Get used to having erections again. If it has been a while since you had an erection, we recommend a low risk trial when you first try your treatment. Take a tablet, wait the appropriate length of time and then try to masturbate. It is better this way than promising your partner the earth and then finding the extra pressure causes your erection to fail. Give yourself a few trial runs first.
  • Increase your dose. If things do not work as well as you hoped, but you did not experience side effects, ask your Doctor if you can try increasing your dose, for example from 50mg of Viagra or sildenafil to 100mg.
  • It may take up to eight attempts to work. Getting used to having erections and finding the right dose can mean that you should give yourself eight attempts before you decide that Viagra or sildenafil are not working for you.
  • Even if after eight attempts you have not had success, please do not give up. In many cases Cialis or Levitra will work, or other forms of treatment other than a pill can be offered such as Vitaros Cream. Go back to your Doctor and seek further help.

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How to take Viagra (sildenafil)?

Viagra is a prescription-only medicine and should only be obtained with a prescription from a Doctor. The Pharmacy2U Online Doctor service offers a fast and discrete consultation service for Viagra and our generic version of sildenafil, manufactured by Sandoz.

The usual starting dose for both Viagra and sildenafil is one 50mg tablet taken at least half an hour prior to sex. If the desired effect is experienced but side effects are a problem, then a 25mg tablet should be tried. If 50mg is not effective and side effects are not problematic then a 100mg dose should be tried after consultation with your doctor. You should not take more than 100mg of Viagra or sildenafil a day as this will not give a greater effect but does increase the risk of side effects (see below).

Is Viagra Suitable for Me?

Viagra and sildenafil should only be taken if prescribed by a registered Doctor. Both Viagra and sildenafil can be dangerous if taken at the same time as certain other medicines including some that are used to treat; chest pain (angina), high blood pressure (alpha-blockers, such as doxazosin), or recreational drugs including alkyl nitrites (poppers). In addition, men with severe heart or liver problems or have had a recent stroke, heart attack, or who have low blood pressure should not take it.

What are the Side Effects of Viagra?

The side effects of Viagra and sildenafil are usually mild to moderate and last a short time but it is important to take the recommended dose. The most common side effects are headaches and facial flushing. Less common effects include indigestion, dizziness, stuffy nose and visual effects (a blue coloured tinge to vision and increased brightness of light or blurring).

You should consult the full list of side effects on the patient information leaflet provided with your treatment. Details of this can also be found here (opens in a new window).

To begin an erectile dysfunction consultation with our GMC-registered GP, please click the Start Consultation button below.

But what do you do if that tablet that you had been pinning all your hopes on does not work? The important thing is to not give up. Your doctor will be able to explore a number of different options with you, however, here’s a quick guide to help you to see what options are available for, to you to try next...

Please click below to help find out what treatment is best for you

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