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Pack of 4 Teva 50mg Sildenafil film-coated oral tablets

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Pack of 4 Teva 50mg Sildenafil film-coated oral tablets

Either you’ve heard of Sildenafil itself, or you’ve seen it written on the side of a pack of Viagra or Viagra Connect. Either way, you might know that Sildenafil comes as its own pill to help you get and keep erections. 

Sildenafil is the generic (non-branded) version of the drug ‘Viagra’. This means that Sildenafil has the same active ingredient as Viagra (sildenafil citrate) and works just as well, but costs a little less.

Like Viagra and other erectile dysfunction pills, you can order Sildenafil easily online from a service like Alpha XR Online Doctor.


Start Order

To place an order, fill in a brief questionnaire. One of our doctors will review your order and prescribe a suitable treatment.


4 tablets from £15.00 (50mg)
8 tablets from £27.00
12 tablets from £40.50
16 tablets from £45.00
28 tablets from £78.00

25mg, 50mg and 100 mg tablets available.

Telephone consultation available at £25

In a hurry? Choose Click and Collect and pick up your order after just 3 hours from a Alpha XR Pharmacy.

Delivery options

Delivery method Cost Estimated delivery

You will choose your delivery option at the checkout. Delivery options may vary depending on the pack size and dosage chosen.

About Sildenafil

Sildenafil is the generic version of the branded drug ‘Viagra’. Like Viagra, you could use it to treat erectile dysfunction (ED), which is when you regularly can’t get or stay hard enough for sex. Around half of all men between 40 and 70 years old will get ED at some point. 

Sildenafil is the active ingredient in Viagra (sildenafil citrate), which is why you might have heard it called ‘generic Viagra’. Sildenafil works in exactly the same way as Viagra, they both work for about 70% of men who try them, and they can also cause the same side effects. Both drugs work by increasing blood flow to the penis, which makes it easier to get and keep an erection strong enough for sex.

Sildenafil is very easy to use. It comes in tablet form, and you take it with water 1 hour before you want to have sex. It won’t cause an erection, it just makes it easier to get one for 4 to 6 hours. You need to be aroused for it to work and it’ll work best when you’re as relaxed as possible. 

On average, Sildenafil takes around 30 minutes to an hour to work. This is how long it takes Sildenafil to get from your stomach to where it needs to be to work.

There’s a few things that can slow down how fast it starts working, and even how well it works:

  • Heavy meals or fatty foods (try and eat heavy meals at least 2 hours before you take your medication)
  • Alcohol
  • Grapefruit
If your Sildenafil doesn’t work the first time you try it, don’t panic. Your body might need a little while to get used to the drug. Try it up to 4 times before deciding if it works for you or not – on 4 different days. If you still don’t see any improvement after trying Sildenafil a few times, you could think about trying another dosage or a different medication. 

Sildenafil works in exactly the same way Viagra works. Erections happen when your brain is aroused and sends a signal to the penis to fill with blood and get erect. When you have erectile dysfunction (ED), your penis isn’t able to fill with enough blood to get and stay hard enough for sex. Sildenafil temporarily makes it easier for blood to fill the penis and cause erections.

Sildenafil increases blood flow to the penis through a few steps. There’s a chemical called PDE5 which helps limit the amount of blood in your penis. When you have ED, you’ve got more PDE5 than you need when you’re trying to get an erection. Sildenafil reduces the effect of PDE5, making it easier for blood to get into your penis when it’s needed.

Sildenafil takes between 30 minutes and 1 hour to start working, and typically lasts for 4 to 6 hours. Again, because they’re medically the same, how long Viagra lasts applies to Sildenafil too.

How long Viagra lasts will last for you is hard to say because it varies from person to person. But on average, most people find that Sildenafil begins to wear off between 2 and 3 hours after taking it.

Even if Sildenafil wears off before you want it to, it’s not safe to take it again until 24 hours after you last took it. If you need a medication that lasts longer you should take a look at Cialis or Cialis Daily.

Sildenafil comes in three doses of 25mg, 50mg, and 100mg:

  • 50mg – this is the first one you’d normally try.
  • 25mg – this dose is for when you’ve tried 50mg and it worked, but you also had side effects. 25mg has a lower chance of causing side effects.
  • 100mg – this is the dose you might go for if you’ve tried 50mg and it didn’t work. 100mg might not be a good idea if you got side effects from 50mg because it can make them worse.

If you’re already using Sildenafil and you’re not happy with your dose you could switch. It’s not a good idea to try and do this on your own – order a new dose through an online doctor service or your GP to make sure you’re safely switching doses. 100mg is the maximum daily dose, so if this doesn’t work for you, you’ll have to find another treatment.

Sildenafil might not be right for you. If you have any other health conditions, or you’re taking other medications, then it might not be safe for you to use Sildenafil. 

Don’t take Sildenafil if you: 

  • Are allergic to any of its listed ingredients
  • Are taking medications known as nitrates or nitric oxide donors (that includes using “poppers” – amyl nitrates)
  • Are taking a drug called riociguat
  • Have had a serious heart or liver problem
  • Have a history of strokes, heart attacks, or low blood pressure
  • Have any rare inherited eye diseases (such as retinitis pigmentosa)

If you’re not sure if Sildenafil is safe for you or not, don’t worry. When you get treatment, the doctor involved will check to make sure it’s the right treatment for you. This can be your GP or an online doctor. If Sildenafil isn’t safe then the doctor will give you advice about alternative treatments you could try.

Side effects are possible with any medication you take. Luckily, most people who use Sildenafil won’t get side effects. If you do get side effects with Sildenafil, chances are they will be mild anyway.

Common side effects (affect 1 in 10 people) include: 

  • Nausea (feeling sick)
  • Hot flush or facial flushing
  • Indigestion
  • Blurred vision
  • Dizziness

Other less common side effects are all listed on the patient information leaflet that comes with your medication. If you ever get side effects that are serious, unusual, or painful, you should stop taking Sildenafil and get medical help right away. 

Sildenafil is the generic version of the branded drug Viagra. There’s no medical difference between the two drugs – they both have the exact same active ingredient (sildenafil citrate). They work in exactly the same way, they’re as effective as each other, and they can have the same side effects.

The main difference between Sildenafil and Viagra is branding – Sildenafil can be made by lots of different companies, but Viagra is a brand owned by the company Pfizer so only they can make and sell it.

Because Sildenafil can be made by lots of different companies, there is more competition around pricing, which is why it’s cheaper. Viagra can only be made by Pfizer, so Pfizer can set a higher price.

Normally you’d expect something that’s cheaper to be worse quality, but both Sildenafil and Viagra have to meet the same standards for medication in the UK. So, there shouldn’t be any difference in quality.

Sildenafil is available on the NHS. In fact, it’s the NHS’s first choice treatment for erectile dysfunction. The NHS tries to be as cost-effective as possible, so a generic medication like Sildenafil is a prime candidate for NHS prescriptions.

The NHS can still offer other medications and brands for erectile dysfunction but most of them can only be offered with a private prescription, which means you pay full price for the medication.

Customer reviews
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4.5 Excellent

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    by , 3rd Nov 2019
    Excellent service, used a few times now and order is always ready on time for collection

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    by , 2nd Nov 2019
    Great service. Really easy to order. Packaging is plain and discreet. Medication works very well.

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    by , 1st Nov 2019
    it worked as advertised

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    by , 30th Oct 2019
    Think users will need to experiment with dosages to find which suits !

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    by , 29th Oct 2019
    Does what it says on the tin

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    by , 29th Oct 2019
    Works for me

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    by , 29th Oct 2019
    "Does what it says on the tin"

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    by , 26th Oct 2019
    Always happy 👍

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    by , 24th Oct 2019
    Fast and efficient service

  • 5
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    by , 23rd Oct 2019
    Worked as expected, excellent online service and a good choice for anyone.

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    by , 22nd Oct 2019
    Works a treat for me ;p

  • 5
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    by , 18th Oct 2019
    Fantastic

  • 5
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    by , 18th Oct 2019
    Exactly as described and definitely does the job.

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    by , 16th Oct 2019
    Fantastic service .. thanks

  • 5
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    by , 10th Oct 2019
    Very satisfied with product and assistance received.

  • 5
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    by , 9th Oct 2019
    Great service from Alpha XR, getting back to me immediately when I entered my address incorrectly.

  • 5
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    by , 7th Oct 2019
    Exactly what was ordered as described. Worked as anticipated.

  • 5
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    by , 6th Oct 2019
    OK these were fairly standard eczema treatments but getting an appointment and subsequent prescription from my GP would have taken another 10 days'ish, this way a couple of hours sorted it. After a few days it started to give relief and about a week later I felt very much better.

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    by , 6th Oct 2019
    Delivery was spot on time ,very good service.

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    by , 6th Oct 2019
    Fast delivery

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    by , 30th Sep 2019
    Excellent customer service

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    by , 29th Sep 2019
    These work really well for me , a solid erection which lasts a long time, love making is now more of a marathon than a sprint , happy days :-)

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    by , 24th Sep 2019
    Great service and discreet

  • 5
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    by , 24th Sep 2019
    Fantastic.

  • 5
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    by , 22nd Sep 2019
    Great service, would recommend.

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    by , 20th Sep 2019
    Excellent product

  • 5
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    by , 13th Sep 2019
    Good product

  • 5
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    by , 12th Sep 2019
    good product ,good doctors

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    by , 11th Sep 2019
    gREAT SERVICE FROM Alpha XR

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    by , 10th Sep 2019
    Wow. Just wow didn’t think they would work but oh my they do hahah

  • 5
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    by , 8th Sep 2019
    Was absolutely brilliant

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    by , 5th Sep 2019
    I ordered the generic brand but received the original instead, great service.

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    by , 4th Sep 2019
    Great service and fast delivery

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    by , 3rd Sep 2019
    As expected

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    by , 25th Aug 2019
    Service first class product great as well completely satisfied

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    by , 24th Aug 2019
    the product was great

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    by , 23rd Aug 2019
    Exactly what I needed and incredibly efficient system - order placed one day, collected the next.

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    by , 22nd Aug 2019
    "does what it says on the tin"

  • 5
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    by , 19th Aug 2019
    It delivers what it promises

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    by , 19th Aug 2019
    Does what it says

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    by , 18th Aug 2019
    Google product

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    by , 16th Aug 2019
    Easy to order and to deal with

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    by , 15th Aug 2019
    Did the job

  • 5
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    by , 15th Aug 2019
    Excellent value for money hassle free buy

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    by , 15th Aug 2019
    Works! No need to say anything else really.

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    by , 14th Aug 2019
    Fast delivery and great product!!

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    by , 9th Aug 2019
    Excellent. Does exactly what it days, and no I'll effects

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    by , 7th Aug 2019
    Effective.

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    by , 1st Aug 2019
    Very good and good service

  • 5
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    by , 21st Jul 2019
    Easy to order online, approved by online doctor, quick and easy to collect.

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    by , 18th Jul 2019
    " does what it says on the tin"

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    by , 19th Jun 2019
    Good product Does what it says

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    by , 27th May 2019
    The product arrived before the promised date and was up to my expectation. I could ask for no more than this.

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    by , 29th Apr 2019
    Simple process and a quality product, delivered very promptly. Somewhat pricey.

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    by , 24th Apr 2019
    Still quite expensive compared to ordinary sidlenafil which is the same ingredients

  • 5
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    by , 12th Apr 2019
    Quick and easy to order. Delivery very good, always kept informed of status.

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    by , 6th Apr 2019
    Is a quality product. Works for me so I will not change it any time soon.

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    by , 2nd Apr 2019
    Excellent helpful response & service.

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    by , 27th Mar 2019
    Good products

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    by , 27th Mar 2019
    Brilliant they do exactly what it says on the box

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    by , 22nd Mar 2019
    Works very well

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    by , 16th Mar 2019
    I'm afraid the pills did absolutely nothing, despite my following the instructions for use. Waste of time

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    by , 16th Mar 2019
    The product does what to says on the box 😆

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    by , 11th Mar 2019
    Fast processing and next day delivery by Royal Mail.

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    by , 10th Mar 2019
    After a prostate operation I needed to buy Viagra to see if it enhanced my sex life, which hadn’t altogether disappeared but certainly needed a boost. I was embarrassed about going to my doctors or the pharmacy to talk about Viagra so I went on the Alpha XR site and found how easy contact and placing a order was. I had the delivery sent straight to my local post office where I simply went to the counter and picked it up.

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    by , 2nd Mar 2019
    Fantastic service, super understanding counter staff

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    by , 27th Feb 2019
    the item has not worked yet after the third tablet and still no effect noticeable effect from the fourth tablet

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    by , 8th Jan 2019
    Product was delivered on time and is of good quality.

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    by , 4th Jan 2019
    A complete waste of money. I took one tablet which had no effect at all

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    by , 25th Dec 2018
    Excellent value, speedy, discreet, service. Will reorder when required.

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    by , 14th Dec 2018
    Great but could be cheaper

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    by , 25th Nov 2018
    Works well. Does what it says on the tin

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    by , 24th Nov 2018
    Waste of money as they didn't work.

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    by , 16th Nov 2018
    Excellent service and excellent customer service plus excellent delivery. Very pleased

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    by , 11th Nov 2018
    Exactly as expected. Totally satisfied.

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    by , 10th Nov 2018
    It worked!!! Might try a larger dose next time.

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    by , 9th Nov 2018
    The service and product do what they say on the box. No rubbish, to the point . Clear and concise. Simples!

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    by , 2nd Nov 2018
    brill..no face to face..saves time and embaressment

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    by , 26th Oct 2018
    Worked well for me, not cheap though

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    by , 16th Oct 2018
    disappointed, will try 100mg next?

  • 5
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    by , 15th Oct 2018
    Great service , easy to use

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    by , 14th Oct 2018
    Excellent service. Ordering was easy and the product arrived as specified by you. I have used the product with excellent results. The price was very competitive with others.

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    by , 12th Oct 2018
    First time I have used Alpha XR Online Doctor, as I work away from home, I found the service excellent with advice from a doctor and pick up of the prescription from a local store

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    by , 5th Oct 2018
    great product that works will buy again

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    by , 16th Sep 2018
    Just What the Doctor Ordered Thank You!!

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    by , 21st Aug 2018
    It ain't working, waste of time

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    by , 18th Aug 2018
    I am pleased with the product.

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    by , 14th Aug 2018
    I was a bit weary about trying the product. It really does work and the only problem now, is keeping it down!!!

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    by , 1st Aug 2018
    Great no head ache like some others give wife was impressed with results will be ordering again for our holiday without kids 😉😉

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    by , 30th Jun 2018
    It wasn’t the product we ordered. We received Viagra but had ordered the cheaper version which was Sildenafil. We were however charged at the cheaper rate. Pleased with product so far.

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    by , 25th Jun 2018
    Excellent service and quality product.

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    by , 14th Jun 2018
    Very good service and can’t fault the products.

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    by , 9th Jun 2018
    The product was delivered in a discrete manor and easy to order

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93 reviews in total << >>