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Viagra (Sildenafil) 100mg

Size: 8 tablets | Private Prescription

£54.98

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Product information
  • Viagra is a prescription only medicine [POM]
  • Viagra (Sildenafil) should only be taken if your doctor has prescribed it for you
  • Sildenafil
  • Erectile dysfunction
Description Viagra contains the active ingredient Sildenafil which belongs to a group of medicine called Phosphodiesterase Type 5 (PDE 5) inhibitors. Sildenafil works by helping to relax the blood vessels in your penis, allowing the blood to flow into your penis when you get sexually excited. Viagra will help you get an erection if you are sexually stimulated. Viagra is a treatment for adult men with an Erectile Dysfunction more commonly known as impotence. This is when a man cannot get or keep a hard erected penis suitable for sexual activity. Viagra can remain effective for 4 to 5 hours.

Viagra is available in different strengths 25mg, 50mg and 100mg and in packs sizes of 4 or 8 tablets.

I have a prescription
If you have a prescription for Viagra please add the item to your basket.

I do not have a prescription
Viagra may be available through our Online Doctor service, following a successful consultation with our GMC-registered GP.

Pharmacy2U can only dispense a Prescription Only Medicine (POM) if your order is accompanied by a valid UK or EU prescription issued by your doctor, consultant or other medical practitioner. Details of where to send the prescription will be issued with your unique order number at the confirmation page.

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


Always take Viagra exactly as your doctor has told you. You should check with your doctor or pharmacist if you are not sure. You should not take Viagra more than once a day. You should take Viagra about one hour before you plan to have sex.

Swallow the tablet whole with a glass of water. If you have the impression that the effect of Viagra is too strong or too weak, talk to your doctor or pharmacist. Viagra will only help you to get an erection if you are sexually stimulated.

The amount of time Viagra takes to work varies from person to person, but it normally takes between half an hour and one hour. You may find that Viagra takes longer to work if you take it with a heavy meal. If Viagra does not help you to get an erection or if your erection does not last long enough for you to complete sexual intercourse you should tell your doctor.

You should not use Viagra more than once a day. If you take more Viagra than you should: you may experience an increase in side effects and their severity. You should not take more tablets than your doctor tells you to.

The active ingredient in Viagra is Sildenail containing 25mg, 50mg or 100mg ( as the citrate salt)

The other ingredients are: Tablet core- Microcrysalline Cellulose, Calcium Hydrogen Phosphate (Anhydrous), Croscarmellose Sodium, Magnesium Stearate. Film coat- Hypromellose, Titanium Dioxide (E171), Lactose Monohydrate, Triacetin, Indigo Carmine Aluminium Lake (E132)

Do not take Viagra: If you are taking medicines called nitrates, as the combination may cause a potentially dangerous decrease in your blood pressure.

Tell your doctor if you are taking any of these medicines which are often given for relief of angina pectoris (or chest pain). If you are not certain, ask your doctor or pharmacist. If you are using any of the drugs known as nitric oxide donors such as amyl nitrite (poppers) as the combination may also lead to a potentially dangerous decrease in your blood pressure. If you are allergic (hypersensitive) to Sildenafil or any of the other ingredients of Viagra. If you have a severe heart or liver problem. If you have recently had a stroke or a heart attack, or if you have low blood pressure. If you have certain rare inherited eye diseases (such as retinitis pigmentosa). If you have ever had loss of vision because of non-arteritic anterior ischaemic optic neuropathy (NAION).

Tell your doctor: If you have sickle cell anaemia (an abnormality of red blood cells), leukaemia (cancer of blood cells), multiple myeloma (cancer of bone marrow), If you have a deformity of your penis or Peyronies Disease, If you have problems with your heart. Your doctor should in that case carefully check whether your heart can take the additional strain of having sex. If you currently have a stomach ulcer, or a bleeding problem (such as haemophilia). If you experience sudden decrease or loss of vision, stop taking Viagra and contact your doctor immediately.

You should not use Viagra with any other oral or local treatments for erectile dysfunction. Viagra should not be given to individuals under the age of 18.

You should tell your doctor if you have kidney or liver problems. Your doctor may decide on a lower dose for you.

Please tell your doctor or pharmacist if you are taking or have recently taken other medicines, including medicines obtained without prescription. Viagra tablets may interfere with some medicines, especially those used to treat chest pain. In the event of a medical emergency, you should tell any healthcare professional treating your condition that you have taken Viagra and when you did. Do not take Viagra with other medicines unless your doctor tells you that you can. If you have been told by your doctor that you have an intolerance to some sugars, such as lactose, contact your doctor before taking Viagra.