Sildenafil (Generic Viagra)

(9 customer reviews)


Sildenafil is the active ingredient in Viagra which helps men to achieve and maintain an erection. It is the original erectile dysfunction medication and has helped millions of men.

Onset of Action: 30min-1hour

Duration of Action: 4-6hours

Buy Sildenafil Citrate tablets online now from just £7.50.

Learn more about Sildenafil (Generic Viagra) or ask our pharmacist

What is Sildenafil Citrate?

Sildenafil Citrate is full name of the active ingredient in the original erectile dysfunction medication Viagra. Sildenafil tablets work by relaxing the blood vessels in the penis which increases blood flow when sexually stimulated. 

How do you take Sildenafil Citrate?

Always take Sildenafil Citrate exactly as your doctor or pharmacist has prescribed. Contact your doctor or pharmacist if unsure. 
You should take Sildenafil about one hour before you plan to have sex. Swallow the tablet whole with a glass of water. 
If you feel the effect of Sildenafil is too strong or too weak, talk to your doctor or pharmacist. 

Side effects of Sildenafil Citrate?

As with any form of medication, Sildenafil treatment has side effects. For a full list of side effects, please read the Patient Information Leaflet of Sildenafil Citrate.  Below are a few of the common side effects of taking Sildenafil: 

  • Headache 
  • Nausea 
  • Facial flushing 
  • Hot flush 
  • Indigestion 
  • Vision color tinge 
  • Blurred vision 
  • Dizziness 

For a full list of side effects, please read the Patient Information Leaflet of Sildenafil. 

Interactions between Sildenafil Citrate tablets with alcohol and food?

It is not recommended to consume alcohol when you take Sildenafil as it can exacerbate some of the side effects such as headaches, skin flushing, and dizziness.  

Products containing grapefruit will interfere with the effectiveness of Sildenafil Citrate.  

Any interactions of Sildenafil Citrate tablets with other drugs?

You should not take Sildenafil Citrate tablets if you are on the following courses of treatment 

  • Anything containing nitrates 
  • Anything containing nitric oxide donors 

Is there any reason why I would not be able to take Sildenafil Citrate tablets?

You can NOT take Sildenafil if you:

  • Are allergic to any of the ingredients  
  • Have a severe heart or liver problem 
  • Have recently had a stroke or heart attack 
  • Have low blood pressure 
  • Have rare inherited eye diseases 
  • Have ever lost vision to non-arteritic anterior ischaemic optic neuropathy (NAION) 

Why should I take Sildenafil Citrate tablets?

Sildenafil, being the active ingredient in Viagra has reportedly is successful for 74% of men who try Sildenafil/ViagraSildenafil can help you to get or maintain an erection and has changed the lives of millions of men.  By having a healthy sex life, you also reduce the chances of more serious problems, such as depression. 

What is the difference between Sildenafil Citrate and Viagra?

Sildenafil is the active ingredient of the branded medication called Viagra. The two work exactly the same but Viagra is much more expensive because of the brand name. Since Viagra has come off patent, it has become possible for other manufacturers to produce generic versions of the active ingredient sildenafil.  

An example of this can be seen with over-the-counter pain killers such as paracetamol. The brands are much more expensive but function in exactly the same way. 

Additional information


25mg, 50mg, 100mg


4 tablets, 8 tablets, 12 tablets, 16 tablets, 24 tablets, 32 tablets, 64 tablets

9 reviews for Sildenafil (Generic Viagra)

  1. Rob Moulton

    Needed these for holiday and worked very well.

  2. Oskar Wendowski

    Have been sent Accord brand and this works just as well as the branded Pfizer Viagra. Except at a fraction of the price!

  3. Rob Moulton

    I have been using these for the last 6 months and they have always provided me with the erection I needed.

  4. Rob Moulton

    These tablets were exactly what I needed and expected. Will order again soon.

  5. Oskar Wendowski

    It just works. Not much more to say.

  6. Rob Moulton

    Exact same product as my regular pharmacy. Will use again.

  7. Rob Moulton

    Sometimes you just need a little extra help and e-surgery provided me with that.

  8. Rob Moulton

    Medication arrived exactly when expected and worked perfectly. Saved me lots of time and headache going to my local surgery!

  9. W m

    Tried one never worked tried two 50mg and was erect on and of all night happy during a stressful time

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