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Viagra (Sildenafil)

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Viagra is a well-known sexual health medication that is used as an effective erectile dysfunction treatment. The iconic little blue pill is an ED medication, containing the active ingredient Sildenafil which aids sexual arousal by helping you to get and keep a healthy erection by increasing blood flow to the blood vessels in the penis, aiding sexual intercourse. Viagra can help you to have a healthy sex life by giving you a little boost when you need it.

  • Popular ED treatment
  • Lasts up to 5 hours
  • Works in 30-60 minutes
  • Genuine medication
  • All drugs sourced in the UK
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Buy Viagra

Yes, it is legal to purchase Viagra (Sildenafil) online provided that you have a prescription for it. All of the medication UK Meds provide is 100% genuine and is dispensed by registered UK pharmacies. For prescription-only medications, you will need to complete our quick and free online consultation form to ensure that Viagra (Sildenafil) is right for you.

Yes, you can get Viagra (Sildenafil) on a subscription from UK Meds. By getting your medication on a subscription you can rest assured that you will get it when you need it, whilst also saving money compared to alternative Viagra subscription services such as Numan Viagra, Manual Viagra and Hims Viagra. It’s a win-win!

Viagra Boots

At the time of writing, Viagra (Sildenafil) is available at Boots. However, should you wish to purchase Viagra tablets at a much better price, you can do so at UK Meds.

Additionally, if you would like to purchase more than one lot of Viagra pills, you can benefit from further savings at UK Meds. If you are require the medication regularly, order Viagra from UK Meds to benefit from our Viagra subscription purchase options.

Numan Viagra

At the time of writing, Viagra (Sildenafil) is available at Numan. However, should you wish to purchase Viagra tablets at a much better price, you can do so at UK Meds.

Additionally, if you would like to purchase more than one lot of Viagra pills, you can benefit from further savings at UK Meds. If you are interested in a repeat order for Viagra you can also benefit from our viagra subscription purchase options.

Superdrug Viagra

At the time of writing, Viagra (Sildenafil) is available at Superdrug. However, should you wish to purchase Viagra tablets at a much better price, you can do so at UK Meds.

Additionally, if you would like to purchase more than one lot of Viagra pills, you can benefit from further savings at UK Meds. If you are interested in a repeat order for Viagra you can also benefit from our viagra subscription purchase options.

Viagra Amazon UK

At the time of writing, Viagra (Sildenafil) is not available at Amazon. However, should you wish to purchase Viagra tablets online, you can do so at UK Meds.

Additionally, if you would like to purchase more than one lot of Viagra pills, you can benefit from further savings at UK Meds. If you are interested in a repeat order for Viagra you can also benefit from our viagra subscription purchase options.

Tesco Viagra

At the time of writing, Viagra (Sildenafil) is not available at Tesco online. However, should you wish to purchase Viagra tablets online, you can do so at UK Meds.

Additionally, if you would like to purchase more than one lot of Viagra pills, you can benefit from further savings at UK Meds. If you are interested in a repeat order for Viagra you can also benefit from our viagra subscription purchase options.

Tesco Viagra

At the time of writing, Viagra (Sildenafil) is available at Asda. However, should you wish to purchase Viagra tablets online at a much better price, you can do so at UK Meds.

Additionally, if you would like to purchase more than one lot of Viagra pills, you can benefit from further savings at UK Meds. If you are interested in a repeat order for Viagra you can also benefit from our viagra subscription purchase options.

Lloyds Pharmacy Viagra

At the time of writing, Viagra (Sildenafil) is available at Lloyds Pharmacy. However, should you wish to purchase Viagra tablets online at a much better price, you can do so at UK Meds.

Additionally, if you would like to purchase more than one lot of Viagra pills, you can benefit from further savings at UK Meds. If you are interested in a repeat order for Viagra you can also benefit from our viagra subscription purchase options.

Hims Viagra

At the time of writing, Viagra (Sildenafil) is available at Hims. However, should you wish to purchase Viagra tablets online at a much better price, you can do so at UK Meds.

Additionally, if you would like to purchase more than one lot of Viagra pills, you can benefit from further savings at UK Meds. If you are interested in a repeat order for Viagra you can also benefit from our viagra subscription purchase options.

Manual Viagra

At the time of writing, Viagra (Sildenafil) is available at Manual. However, should you wish to purchase Viagra tablets online at a much better price, you can do so at UK Meds.

Additionally, if you would like to purchase more than one lot of Viagra pills, you can benefit from further savings at UK Meds. If you are interested in a repeat order for Viagra you can also benefit from our viagra subscription purchase options.

Viagra London

Yes, you can buy Viagra in London, provided that you have a valid prescription. Just like anywhere else in the United Kingdom.

Google Web Story: Viagra London: A Guide To Buying Viagra In The UK's Capital

UK Meds have put together a Google Web Story to help you understand various factors relating to buying branded Viagra and sildenafil in the UK's capital city, London which you can explore below and for an even more detailed analysis you can also take a look at our dedicated guide called 'Viagra London: A Guide To Buying Viagra In The UK's Capital'.

Viagra Glasgow

Yes. You can buy Viagra online in Glasgow at UK Meds. If you're a Glaswegian based in the the Scottish city and you require the erectile dysfunction medication, you can purchase it online with a valid prescription. If you require a prescription, simply complete our quick online consultation. Once it has been reviewed by our independent pharmacist prescriber you can buy Viagra online in Glasgow, from the comfort of your own home, provided that your prescription has been approved. You should always consult your doctor or healthcare professionals prior to starting treatment with any medication to ensure that it is safe and suitable for your individual needs.

For a detailed analysis you can read our dedicated guide called 'Viagra Glasgow: A Guide To Buying Viagra In Glasgow'.

Viagra Edinburgh

Yes. You can buy Viagra online in Edinburgh at UK Meds. If you're a Dunediner based in the Scottish capital city and you require the erectile dysfunction medication, you can purchase it online with a valid prescription. If you require a prescription, simply complete our quick online consultation. Once it has been reviewed by our independent pharmacist prescriber you can buy Viagra online in Edinburgh, from the comfort of your own home, provided that your prescription has been approved. You should always consult your doctor or healthcare provider prior to starting treatment with any medication to ensure that it is safe and suitable for your individual needs.

For a detailed analysis you can read our dedicated guide called 'Viagra Edinburgh: A Guide To Buying Viagra In Edinburgh'.

Viagra Manchester

Yes. You can buy Viagra online in Manchester at UK Meds. If you're a Mancunian based in the English city and you require the erectile dysfunction medication, you can purchase it online with a valid prescription. If you require a prescription, simply complete our quick online consultation. Once it has been reviewed by our independent pharmacist prescriber you can buy Viagra online in Manchester, from the comfort of your own home, provided that your prescription has been approved. You should always consult your doctor or healthcare provider prior to starting treatment with any medication to ensure that it is safe and suitable for your individual needs.

For a detailed analysis you can read our dedicated guide called 'Viagra Manchester: A Guide To Buying Viagra In Manchester'.

Viagra Leeds

Yes. You can buy Viagra online in Leeds at UK Meds. If you're a Loiner based in the English city and you require the erectile dysfunction medication, you can purchase it online with a valid prescription. If you require a prescription, simply complete our quick online consultation. Once it has been reviewed by our independent pharmacist prescriber you can buy Viagra online in Leeds, from the comfort of your own home, provided that your prescription has been approved. You should always consult your doctor or healthcare provider prior to starting treatment with any medication to ensure that it is safe and suitable for your individual needs.

For a detailed analysis you can read our dedicated guide called 'Viagra Leeds: A Guide To Buying Viagra In Leeds'.

Viagra UK

If you have never ordered prescription-only medicines online before, it can be a confusing process. Generally speaking, to get a prescription for an erectile dysfunction medicine such as a generic sildenafil tablet or a branded Viagra tablet you should visit your general practitioner and receive a prescription from them. Alternatively, you can order online from an accredited prescription service such as UK Meds from the comfort of your own home.

Through our online prescription consultation service, a doctor will review and assess your request and evaluate the suitability of a prescription through an online questionnaire. This is the process we take at UK Meds, assuming you do not currently possess a prescription. We process your application and issue a prescription legally, if the doctor approves your application. If you do not currently have a Viagra prescription, add your desired medicine to the cart, and during your checkout process you will be evaluated by our online doctor service.

At UK Meds online clinic the cost for a 25mg Viagra is £30.59* for 4 tablets. The generic version (Sildenafil) starts at £14.34* for 4 25mg tablets (please note that prices were correct at the time of writing and are subject to change). Viagra prices get cheaper when buying larger amounts or via a UK Meds Plus subscription.

Viagra is the branded form of the phosphodiesterase type 5 (PDE5) inhibitor drug, sildenafil, and is approved for the treatment of erectile dysfunction (ED) in men aged 18 years and older (Medical News Today, 2023). Sexual stimulation is still needed for Viagra (sildenafil) to take effect (SingleCare, 2022). The 'little blue pill' is praised as the erectile dysfunction medication that kickstarted the second sexual revolution, when it was released in 1998 (BBC, 2023).

Video: What is Viagra?

In this TikTok video guide to Viagra (Sildenafil) below, UK Meds answer common questions you should know about the erectile dysfunction (ED) drug:

@uk.meds

What is Viagra? @uk.meds #viagra #sildenafil #viagrasildenafil#viagrauk #erectiledysfunction #medtok

♬ original sound - UK.Meds

Google Web Story: A-Z Guide to Viagra

Our Google Web Story below provides a helpful A-Z guide to terminology relating to Viagra (sildenafil):

Sildenafil is the active ingredient in the erectile dysfunction medication, Viagra. It is classed as a phosphodiesterase type 5 (PDE5) inhibitor (Science Direct, 2024).

Sildenafil works by temporarily increasing blood flow to your penis when you get sexually aroused, which makes it a useful treatment if you have erection problems (NHS, 2022). Both generic Viagra and the branded form of the ED medication are available at UK Meds.

For more information on the prescription medication patients should refer to the Viagra (Sildenafil) patient information leaflet that comes with the erectile dysfunction drug.

Viagra Reviews

There are a large selection of Viagra reviews describing what people think about their experiences with the medication available at Drugs.com and Web MD.

It is important to note that people may have different experiences when they use Viagra (sildenafil). If someone states that their medication did not work as they had hoped, it does not mean that it will not work for you. If you believe that Viagra is the right medication for you then the best thing to do is to consult your doctor or healthcare professional, and judge the medication based on your own experiences if they recommend it as a treatment. The importance of user reviews should not be understated. Reading reviews and patient experiences can provide you with important advice and information that you may not have known, and can inform you on whether or not to start using Viagra (sildenafil). Before starting a medication you should always consult with your healthcare provider first to ensure that it is safe and suitable for your individual needs.

How does Viagra work?

According to NHS (2022) he active ingredient in Viagra tablets, sildenafil, works by temporarily increasing blood flow in your penis when you are sexually excited. It also works by relaxing blood vessels in the chest when used for pulmonary hypertension.

How effective is Viagra?

According to GOV.UK (2014), Viagra (sildenafil) have proven to be effective in at least two-thirds of men to successfully manage erectile dysfunction (ED).

How do you use Viagra?

A typical 50mg dose of Viagra tablets for erectile dysfunctioin should be taken 30 minutes to 4 hours before sexual activity (Marshall & Brewer, 2023). Always use Viagra (sildenafil) as instructed by your doctor or healthcare provider to ensure that it is used in the safest and most effective way for your individual needs.

How long does Viagra last?

Typically a Viagra pill (sildenafil) will last for up to 4 hours and it's effects will be most strongest 2 hours after taking the pill (Cochrane & Kandola, 2023), so you should plan sexual activity accordingly.

What dose of Viagra should I take?

Viagra tablets comes in strengths ranging from 25mg up to 100mg and the usual dose is 50mg taken when needed; you should not take it more than once a day (NHS, 2022). You should always follow the dosage instructions provided by your doctor or healthcare provider.

What warnings does Viagra come with?

There are some warnings associated with Viagra (sildenafil) as outlined below (EMC, 2023):

  1. Consult your healthcare provider before taking Viagra if you have sickle cell anaemia, leukaemia, or multiple myeloma.

  2. Inform your doctor if you have a penile deformity or Peyronie’s Disease.

  3. Individuals with heart problems should ensure their heart can handle the added strain of sexual activity.

  4. Do not take Viagra if you have a stomach ulcer, bleeding disorders, or experience sudden vision loss.

  5. Avoid using Viagra with other oral or local treatments for erectile dysfunction or pulmonary arterial hypertension containing sildenafil.

  6. Viagra is not for use in women or individuals under 18 years old.

  7. Special consideration is needed for patients with kidney or liver issues, with potential adjustments to dosage.

  8. Inform your doctor of all medications you are taking, especially nitrates or nitric oxide donors, as they can interact dangerously with Viagra.

  9. Caution is advised when combining Viagra with alpha-blocker therapy for high blood pressure or prostate enlargement.

  10. Alcohol consumption may temporarily affect Viagra's efficacy, and excessive drinking should be avoided.

  11. Viagra is not intended for use during pregnancy or breastfeeding.

  12. Be cautious of dizziness and vision changes caused by Viagra, especially before driving or operating machinery.

  13. If you are lactose intolerant, consult your doctor before taking Viagra.

  14. Each Viagra tablet contains minimal sodium content.

Always follow your doctor or healthcare provider's instructions and advice when considering Viagra as a treatment to ensure that it is safe and suitable for you.

How should you store Viagra?

Viagra should be stored at room temperature in a closed container, away from direct light, moisture and heat. If it has expired, do not keep it and ask your doctor how to dispose of it safely (Mayo Clinic, 2024).

Viagra (sildenafil) can have a number of common side effects although not everyone will experience the same side effects when taking the medication. According to NHS (2022), Viagra (Sildenafil) side effects can include:

  • Indigestion
  • Dizziness
  • Stuffy nose
  • Nausea
  • Headaches
  • Flushing (including hot flushes)

We've put together a table summarising the side effects of Viagra (sildenafil) and the relevant actions to help you. Always consult with your doctor or healthcare provider if you are concerned about any potential side effects of Viagra (sildenafil) as soon as possible.

Viagra Side Effects

Recommended Actions

HeadachesRest and drink plenty of fluids; avoid alcohol; ask pharmacist for a painkiller; consult doctor if severe or lasts longer than a week
NauseaAvoid rich or spicy foods; take sildenafil after a meal or snack (if it is being taken for pulmonary hypertension)
FlushingCut down on coffee, tea, and alcohol; keep the room cool; use a fan; spray face with cool water or sip cold/iced drinks; consult doctor if it does not go away or causes problems
IndigestionTake an antacid for discomfort; consult doctor if bothersome; may prescribe an additional medicine to protect stomach
Stuffy NoseConsult pharmacist or doctor for recommended nasal spray
DizzinessGet up very slowly or stay sitting down until feeling better; lie down if feeling dizzy to avoid fainting; do not operate machinery or drive if feeling dizzy

Can Viagra have any serious side effects?

Whilst serious side effects of Viagra are rare, affecting less than 1 in 1000 people, they include seizures, fits, prolonged and painful erections, chest pains and serious allergic reactions (NHS, 2022). Call 999 immediately at the first signs of any serious side effect.

Viagra Connect is an over-the-counter version of Viagra for men over 18 experiencing erectile dysfunction (ED). The key difference of Viagra Connect compared to Viagra is that Viagra Connect is the first erectile dysfunction medicine to be sold in the UK without the need for a prescription (BBC News, 2017).

Check out our Google Web Story explaining the difference between Viagra, Viagra Connect and sildenafil:

You can also find alternative forms of erectile dysfunction treatments to typical oral PDE5 inhibitor medications for sexual dysfunction at UK Meds. These include ED treatment creams such as Alprostadil (Vitaros) penis cream that can also treat an erection problem effectively.

You can buy Viagra online in it's generic (sildenafil) and branded tablets forms at UK Meds, along with other ED treatments such as Cialis (tadalafil), Cialis Daily, Cialis Together, Levitra (vardenafil) and Vitaros. If you need a prescription, the online consultation service with a doctor at UK Meds can help you.

Viagra FAQs

Some studies such as Wang et al (2007) suggest that sildenafil can be an effective treatment for premature ejaculation (PE). Although, other studies suggest that rather than directly improving premature ejaculation, sildenafil improves confidence in men experiencing PE and increases the perception of of ejaculatory control (McMahon et al, 2005). You should consult your doctor or healthcare provider to assess if sildenafil is a suitable premature ejaculation treatment for you.

If you suffer from high blood pressure (hypertension) you should always speak to a healthcare provider, pharmacist or doctor (Drugs.com, 2022). They will assess your suitability for taking Viagra as a potential treatment for ED before recommending the medicine or an alternative course of treatment that will not impact your blood pressure.

No, it is not safe to take nitrate medicine (such as a treatment for chest pain) and Viagra (sildenafil) together. This is because combining these types of medication can potentially lead to a dangerous fall in your blood pressure(NHS, 2022), causing fatal hypotension (low blood pressure) and subsequent side effects (Chamsi-Pasha, H., 2001). You should always consult a doctor, pharmacist or healthcare provider if you are taking nitrate medications prior to taking Viagra (sildenafil) or any other erectile dysfunction medication.

No, Viagra is not safe for patients with heart disease (Harvard Health, 2019) or a similar heart problem, as it can cause drops in blood pressure by widening arteries in the body. Ensure that you speak to a doctor, pharmacist or healthcare provider if you are a heart disease patient prior to taking Viagra (sildenafil) or any other erectile dysfunction medication. The medical condition, erectile dysfunction, could itself be a warning sign of heart disease (British Heart Foundation, 2022) - a consultation with your doctor will allow them to assess what potential cause of ED could be.

If you have experienced a heart attack and want to check if it is safe to take Viagra (sildenafil) it is always necessary to consult with a doctor or healthcare provider to assess your suitability to avoid any serious and potentially dangerous side effects (Harvard Health, 2021).

What is in Viagra?

According to Viagra patient information leaflet, the active ingredient in Viagra tablets is sildenafil citrate. There are other ingredients both in the tablet core and the film core of the tablet which are outlined below for you:

The Viagra tablet core contains the ingredients:

  • microcrystalline cellulose
  • calcium hydrogen phosphate (anhydrous)
  • croscarmellose sodium
  • magnesium stearate

The Viagra film core contains the ingredients:

  • hypromellose
  • titanium dioxide (E171)
  • lactose monohydrate
  • triacetin
  • indigo
  • carmine aluminium lake (E132)

When is the best time to take Viagra?

The recommended time to take Viagra (sildenafil) is up to 4 hours before you want to have sex (NHS, 2022)

Can I get Viagra on the NHS?

You can get the active ingredient in Viagra, sildenafil, on the NHS if you suffer from erectile dysfunction (ED) or pulmonary hypertension, although, the branded version of the medication 'Viagra' is not available on NHS prescriptions except in special circumstances (NHS, 2022).

Can I buy Viagra online in the UK without a prescription?

You need a prescription to buy Viagra in the UK (NHS, 2022). You can get a private prescription for Viagra online at UK Meds if you require it, pending a successful online consultation with a doctor.

An over the counter version of the erectile dysfunction medication is available as Viagra Connect, this doesn't require a prescription.

Why is Viagra not as cheap as Sildenafil?

As a branded medicine produced by Pfizer, Viagra is more expensive than it's generic form, sildenafil. Sildenafil is produced by various manufacturers, so the competition between them helps to regulate it's pricing to keep it affordable for consumers. Pfizer, consdier factors such as manufacturing costs, research costs, the cost of regulation, the cost of packaging, distribution costs and advertising costs when deciding the price of Viagra (Medical News Today, 2024).

Can I drink grapefruit juice when using Viagra?

No, you should avoid drinking grapefruit juice when using Viagra to treat erectile dysfunction (ED), this is because grapefruit juice has the potential to interact with the active ingredient in Viagra, sildenafil, boosting the levels of sildenafil in the blood, leading to patients experiencing side effects such as low blood pressure, headaches and flushing (Harvard Health, 2021).

Can I take Viagra and alchohol at the same time?

You should avoid or limit the consumption of alcohol (ethanol) when taking Viagra (sildenafil) as alcohol has the potential to interact with sildenafil by lowering your blood pressure; this increases the chances of experiencing side effects such as lightheadedness, dizziness, flushing, fainting, heart palpitations and headaches (Drugs.com, 2024).

Can you buy Viagra over the counter?

Yes, Viagra is available over the counter in the form of Viagra Connect, without the need for a prescription (Viagra Connect, 2024).

Is Viagra dangerous?

Generally, Viagra is a safe treatment for patient's suffering from erectile dysfunction or pulmonary hypertension. Most people who use the medication experience mild or no side effects, though caution should be taken by patients who also take medicines called 'nitrates' as these medicines can interact with sildenafil and cause a dangerous fall in your blood pressure (NHS, 2022). Always speak with your doctor prior to starting treatment with Viagra (sildenafil) to ensure that it is safe and suitable for your individual circumstance.

Is it ok for women to take Viagra?

Whilst women could be prescribed sildenafil (the active ingredient in Viagra) for pulmonary hypertension, there isn't any good evidence to suggest that sildenafil is an effective treatment for women experiencing sexual problems and should be avoided. If you are a female and want to find out about the safety of taking Viagra, consult with your doctor or healthcare provider (NHS, 2022).

Can I split viagra tablets?

Yes, Viagra tablets can be cut in half, crushed or swallowed whole depending on the dosages (Weiser & Nguyen, 2023).

Author

Content author

Scott Weaver

Medical Content Writer • Bachelor of Arts Degree

Scott is an experienced, skilled content writer dedicated to creating helpful and accessible medical content for UK Meds.

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Medical Reviewer

Medical Reviewer

Thomas Martin

General Practitioner (GP) • MB BCh

Dr. Thomas Martin is a seasoned family medicine doctor, with over 28 years of experience, including 9 years as a GP in Irish government service and emergency out-of-hours care.

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