• Works within 30-60 minutes
  • Generic version of Viagra
  • Cheapest erectile dysfunction treatment
  • No more than ONE tablet in 24 hours


Sildenafil is a medication that can treat erectile dysfunction, helping you to get and maintain an erection during sex. Sildenafil is the active ingredient in Viagra, which means that this medication works in the same way as the branded product, and is just as effective. If you’re looking for a way to treat your premature ejaculation and help to keep an erection, sildenafil could be the ideal treatment for you.


Can you take Sildenafil for erectile dysfunction?

Yes. Sildenafil is the active ingredient in Viagra and is one of the most widely used drugs for erectile dysfunction.


What is Sildenafil?

Sildenafil is a drug used in the treatment of Erectile Dysfunction. It is the active ingredient in Viagra and is of the class of drugs known as PDE5 inhibitors.


How Does Sildenafil Work?

Sildenafil is a class of drug (like Cialis / Tadalafil) known as a PDE-5 inhibitor. When sexually stimulated, it helps maintain a relaxed muscle state and increases blood flow to the penis which helps facilitate an erection


How much is Sildenafil?

Sildenafil tablets can vary in price from genuine UK online pharmacies, from between £0.98 / Tablet, to £10.40 / tablet, depending on strength and quantity


What is the dosage of Sildenafil?

Usually, when starting to take Sildenafil, your doctor will recommend starting on a 50mg dose. This means you will take a 50mg tablet, around 30-60 minutes before sexual activity. The maximum dose is 100mg in a 24 hour period.


How long does it take Sildenafil to take effect?

Sildenafil takes around 30-60 minutes to take effect, and so should generally be taken around half an hour before sexual activity.


What is the difference between Sildenafil and Viagra

Sildenafil is the generic form of the better known branded drug Viagra. This means that both medications contain exactly the same active ingredient.


Is Viagra stronger than Sildenafil?

Medically, both Viagra and Sildenafil contain exactly the same amount of active ingredient, so you should not notice any difference in effect between the two medications


Can I take Sildenafil at the same time as other Erectile Dysfunction Medication?

No. Sildenafil and other ED medications all work in the same way. This means that taking them together can result in overdose and an increased incidence of side effects.


What strengths is Sildenafil available in?

Sildenafil is available as Sildenafil 25mg, 50mg or 100mg Tablets.


What dose of Sildenafil should I start with?

If taking Sildenafil for the first time, the recommended dose is 50mg, 30-60minutes before sexual activity. The dose can then be increased or decreased according to the response.


How long does Sildenafil last?

The effects of Sildenafil may be noticeable for up to 4 hours after taking your dose.


What is TEVA Sildenafil?

TEVA Sildenafil is simply a specific manufacturer of Sildenafil. Please contact us if you require a specific manufacturer of Sildenafil.


What is in Sildenafil?

The full name of the active ingredient is Sildenafil Citrate


What strengths does Sildenafil come in?

Sildenafil comes in three different strengths. Sildenafil 100mg is the strongest, and there are also 25mg and Sildenafil 50mg strengths available.


Can women take Sildenafil?

No. Sildenafil and Viagra are licensed treatments for men. Women cannot take this treatment.


Can I buy Sildenafil online?

Yes. You can buy Sildenafil online in the UK, from our UK registered online pharmacy and doctor service.


Is it legal to buy Sildenafil online?

Yes. You can safely buy Sildenafil after completing our online doctor assessment. A legal prescription is issued to our pharmacy if your order is approved. We are regulated by the MHRA and GPHC.


What is better, Sildenafil or Tadalafil?

The main difference between Sildenafil and Tadalafil is that Tadalafil is longer acting, so you may notice the effects for longer.


What is cheaper, Sildenafil or Tadalafil?

Sildenafil is slightly cheaper than Tadalafil currently, but prices are coming down for Tadalafil, as it was only recently made available in the UK


Why is your Sildenafil so cheap?

We try to keep our prices as low as possible and constantly check prices to pass savings to you.

Side Effects

With any medication you take, there is always a risk of side effects occurring. Some are more common than others, and often side effects may subside with the regular usage of the medicine. If the side effects do not subside, you should report them to us, or your GP.

Common Side Effects

  • Headaches
  • Flushing
  • Runny/stuffed nose
  • Upset stomach
  • Nausea
  • Red and/or warm skin
  • Dizziness
  • Diarrhoea
  • Nosebleeds
  • Muscle pain / Back Pain

The side effects listed below are more serious, and you should stop taking Sildenafil, and report these to your GP immediately.

  • An erection that will not go away (priapism). If you have an erection that lasts more than 4 hours, seek medical help immediately. Priapism can permanently damage your penis.
  • Sudden vision loss in one or both eyes. Sudden vision loss in one or both eyes can be a sign of a serious eye problem called non-arteritic anterior ischemic optic neuropathy (NAION). Stop taking Sildenafil and call your healthcare provider right away if you have sudden vision loss in one or both eyes.
  • Sudden hearing decrease or hearing loss. Some people may also have ringing in their ears (tinnitus) or dizziness. If you experience these symptoms, stop taking Sildenafil and contact a doctor right away.


For those who have never taken Sildenafil before, the typical dose is 50mg. This is taken 30-60 minutes before sexual activity.

If no effect is seen, the dosage can be adjusted up to a maximum of 100mg as a single dose in 24hours. If the effect was too strong, the dose can be reduced to 25mg. If you have not seen a response from Sildenafil, it is advised to try it at least 5 times before giving up.

Dosage Summary

Starting Dose – Sildenafil 50 mg

Maximum Dose – 100mg in 24 hours (as a single dose)


The active substance is sildenafil. Each tablet contains 25 mg, 50 mg or 100 mg of sildenafil (as the citrate salt).


The other ingredients are:


Tablet core: microcrystalline cellulose, calcium hydrogen phosphate (anhydrous), croscarmellose sodium, magnesium stearate.

Film coat: hypromellose, lactose (see section 2 ‘sildenafil