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Pricing Disclaimer: Prices on some pages may not be up to date — the live pricing table below and pricing shown during consultation are official current prices and take precedence over any other figures on the site.

Sildenafil - UK-licensed prescription Treatment
Treatment

Sildenafil

From £0.45

Future orders save 5%
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Tadalafil - UK-licensed prescription Treatment
Treatment

Tadalafil

From £9.99

Future orders save 5%
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Sildenafil Eropid - UK-licensed prescription Treatment
Treatment

Sildenafil Eropid

From £8.99

Future orders save 5%
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Tadalafil (Teva) - UK-licensed prescription Treatment
Treatment

Tadalafil (Teva)

From £9.99

Future orders save 5%
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Avarante Tablets Tadalafil Tablets 10mg - UK-licensed prescription Treatment
Treatment

Avarante Tablets Tadalafil Tablets 10mg

From £11.49

Future orders save 5%
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Viagra Connect 50mg - UK-licensed prescription Treatment
Treatment

Viagra Connect 50mg

From £11.49

Future orders save 5%
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Viagra & Sildenafil Treatment Options in the UK

Looking to buy viagra sildenafil online uk with confidence? At Cured Pharmacy, you'll find genuine UK-licensed erectile dysfunction treatments from £0.45, with transparent pricing, free clinical consultation by UK prescribers, and 100% discreet packaging delivered directly to your door.

How Sildenafil and Viagra Work for Erectile Dysfunction

Sildenafil belongs to a class of medications called phosphodiesterase type 5 (PDE5) inhibitors, which work by relaxing blood vessels in the penis to improve blood flow during sexual stimulation [1]. When you're sexually aroused, sildenafil helps maintain an erection by preventing the breakdown of cyclic guanosine monophosphate (cGMP), a chemical messenger that regulates blood vessel dilation.

Clinical trials demonstrate that sildenafil improves erectile function in approximately 70-80% of men with erectile dysfunction across various underlying causes, including diabetes, cardiovascular disease, and psychological factors [1][2]. The medication typically takes effect within 30-60 minutes and remains active for up to four hours, though individual response times vary.

It's important to understand that sildenafil requires sexual stimulation to work — it won't produce an erection automatically. The medication enhances your body's natural response to arousal rather than creating an artificial reaction.

Sildenafil vs Viagra: Understanding the Difference

Viagra is the original brand-name medication containing sildenafil citrate, developed by Pfizer and licensed by the MHRA in 1998. Generic sildenafil contains the identical active ingredient at the same strength and works in exactly the same way — the difference lies purely in branding and price [3].

When Pfizer's patent expired in 2013, multiple pharmaceutical manufacturers gained approval to produce generic sildenafil in the UK. These generic versions undergo rigorous testing to demonstrate bioequivalence, meaning they deliver the same amount of active ingredient into your bloodstream at the same rate as the branded product.

At Cured Pharmacy, generic sildenafil starts from £0.45 per tablet, whilst Viagra Connect (the over-the-counter brand version) starts from £0.45. Both contain 50mg of sildenafil citrate and are manufactured to identical UK pharmaceutical standards — you're simply paying less by choosing the generic option.

Which Option Should You Choose?

For most patients, generic sildenafil offers exceptional value without compromising on quality or effectiveness. However, some individuals prefer branded Viagra Connect for the reassurance of the original formulation. Your UK prescriber can discuss both options during your free consultation and help you select the most appropriate treatment based on your medical history, preferences, and budget.

Tadalafil as an Alternative to Sildenafil

Tadalafil is another PDE5 inhibitor licensed in the UK for erectile dysfunction, working through the same mechanism as sildenafil but with a significantly longer duration of action [4]. Whilst sildenafil remains active for approximately four hours, tadalafil can remain effective for up to 36 hours, earning it the nickname 'the weekend pill'.

This extended window offers greater spontaneity — you don't need to time sexual activity as precisely around medication intake. Clinical trials show tadalafil produces similar efficacy rates to sildenafil, with approximately 70-85% of men reporting improved erectile function [4][5].

At Cured Pharmacy, tadalafil is available from £0.45, with options including generic tadalafil and Tadalafil (Teva). Some patients prefer tadalafil's longer action, whilst others find sildenafil's shorter duration more suitable for occasional use. Your prescriber will assess which medication aligns best with your lifestyle and treatment goals.

Daily vs On-Demand Dosing

Tadalafil can be prescribed either as an on-demand treatment (10mg or 20mg taken before sexual activity) or as a daily low-dose option (2.5mg or 5mg taken once daily). Daily tadalafil maintains steady medication levels in your system, allowing for spontaneous sexual activity without planning ahead. Your UK prescriber will recommend the most appropriate regimen based on your frequency of sexual activity and personal preferences.

Treatment Active Ingredient Duration of Action Starting Price
Sildenafil Sildenafil citrate Up to 4 hours From £0.45
Viagra Connect Sildenafil citrate Up to 4 hours From £11.49
Tadalafil Tadalafil Up to 36 hours From £9.99
Cialis Tadalafil Up to 36 hours From £53.00
Sildenafil Eropid Sildenafil citrate Up to 4 hours From £8.99

Dosage Options and How to Take Sildenafil

Sildenafil is available in three strengths in the UK: 25mg, 50mg, and 100mg tablets. Most men start with 50mg, which provides an effective balance between efficacy and tolerability [1]. Your prescriber may adjust the dose to 25mg if you experience side effects, or increase to 100mg if 50mg proves insufficient.

Take sildenafil approximately one hour before planned sexual activity, though it can work anywhere from 30 minutes to four hours after ingestion. Taking the tablet on an empty stomach may speed absorption — high-fat meals can delay the onset of action by up to one hour [2].

Never exceed one dose in a 24-hour period, and avoid taking sildenafil with grapefruit juice, as this can increase medication levels in your bloodstream and raise the risk of side effects. If you're taking nitrate medications for chest pain or alpha-blockers for prostate problems, sildenafil may not be suitable — your UK prescriber will review all current medications during your consultation.

Common Side Effects and Safety Considerations

The most frequently reported side effects of sildenafil include headache (occurring in approximately 16% of users), facial flushing (10%), indigestion (7%), and nasal congestion (4%) [1][2]. These effects are typically mild to moderate and resolve within a few hours as the medication clears your system.

Less common but more serious side effects include sudden vision changes, hearing loss, chest pain, or an erection lasting longer than four hours (priapism). If you experience any of these symptoms, seek immediate medical attention. Priapism, whilst rare, requires urgent treatment to prevent permanent damage.

Sildenafil is contraindicated in men taking nitrate medications (such as glyceryl trinitrate for angina) due to the risk of severe blood pressure drops. It should also be used cautiously in patients with cardiovascular disease, recent stroke or heart attack, severe liver or kidney impairment, or rare hereditary eye conditions like retinitis pigmentosa [3].

All erectile dysfunction medications dispensed by Cured Pharmacy require prior assessment by a UK-registered prescriber who will review your medical history, current medications, and cardiovascular risk factors to ensure safe prescribing. This clinical consultation is completed online in under three minutes and is entirely free of charge.

Drug Interactions to Be Aware Of

Beyond nitrates, sildenafil can interact with certain antibiotics, antifungals, HIV protease inhibitors, and other medications metabolised by the CYP3A4 enzyme system. Always disclose all prescription and over-the-counter medications during your consultation. Your prescriber may need to adjust your sildenafil dose or recommend an alternative treatment if significant interactions are identified.

How to Order Sildenafil or Viagra from Cured Pharmacy

Ordering erectile dysfunction treatment from Cured Pharmacy is straightforward and completely confidential. Start by clicking 'Start Assessment' on your chosen product — whether that's generic sildenafil from £0.45, Viagra Connect from £0.45, or tadalafil alternatives from £0.45.

You'll complete a brief online medical questionnaire covering your symptoms, medical history, current medications, and cardiovascular health. This typically takes under three minutes. A UK-registered prescriber from our clinical team will review your assessment, usually within hours, and approve your prescription if clinically appropriate.

Once approved, your medication is dispensed by our GPhC-registered pharmacy (registration number 9012511) under the supervision of Superintendent Pharmacist Tarun Kumar (GPhC 2233073) and dispatched in 100% discreet packaging with no external markings. We offer next-day delivery across the UK, and all pricing is transparent upfront — you'll see the exact cost before starting your consultation.

If the prescriber determines that sildenafil isn't suitable for you based on your medical history, they may recommend an alternative treatment or advise you to consult your GP for further investigation. Patient safety always takes priority over dispensing convenience.

Why Choose Cured Pharmacy for Erectile Dysfunction Treatment

Cured Pharmacy combines the lowest prices guaranteed in the UK with genuine UK-licensed medicines, free clinical consultations, and discreet delivery. Unlike some online providers, we show transparent pricing before you begin your consultation — no hidden fees or surprise charges. Our UK-registered clinical team has supported thousands of men in managing erectile dysfunction safely and effectively, with ongoing prescription support and reorder convenience.

Scientific References

  1. Goldstein, I., Lue, T. F., Padma-Nathan, H., Rosen, R. C., Steers, W. D., & Wicker, P. A. (1998). Oral sildenafil in the treatment of erectile dysfunction. New England Journal of Medicine, 338(20), 1397-1404. https://doi.org/10.1056/NEJM199805143382001
  2. Eardley, I., Ellis, P., Boolell, M., & Wulff, M. (2002). Onset and duration of action of sildenafil for the treatment of erectile dysfunction. British Journal of Clinical Pharmacology, 53(Suppl 1), 61S-65S. https://doi.org/10.1046/j.0306-5251.2001.00035.x
  3. Medicines and Healthcare products Regulatory Agency. (2017). Sildenafil: Drug Safety Update. GOV.UK. https://www.gov.uk/drug-safety-update/sildenafil-viagra-reminder-of-cardiovascular-contraindications
  4. Brock, G. B., McMahon, C. G., Chen, K. K., Costigan, T., Shen, W., Watkins, V., ... & Whitaker, J. S. (2002). Efficacy and safety of tadalafil for the treatment of erectile dysfunction: results of integrated analyses. Journal of Urology, 168(4), 1332-1336. https://doi.org/10.1016/S0022-5347(05)64442-4
  5. Carson, C. C., Rajfer, J., Eardley, I., Carrier, S., Denne, J. S., Walker, D. J., ... & Murdoch, M. (2004). The efficacy and safety of tadalafil: an update. BJU International, 93(9), 1276-1281. https://doi.org/10.1111/j.1464-410X.2004.04821.x

Information on this page is for educational purposes only and is not medical advice. All prescription treatments require clinical assessment by a UK-registered prescriber. Always consult a qualified healthcare professional before starting any new medication.

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Faq

Can I buy sildenafil online in the UK without seeing a doctor?
Sildenafil requires a prescription in the UK, but you don't need a face-to-face appointment. At Cured Pharmacy, a UK-registered prescriber reviews your online medical assessment and issues a prescription if clinically appropriate — the entire process is completed online in under three minutes.
What's the difference between Viagra and generic sildenafil?
Generic sildenafil contains the identical active ingredient as branded Viagra at the same strength and works in exactly the same way. The only difference is price — generic sildenafil starts from £0.45 at Cured Pharmacy, whilst Viagra Connect starts from £0.45.
How long does sildenafil take to work?
Sildenafil typically takes effect within 30-60 minutes after ingestion and remains active for up to four hours. Taking it on an empty stomach may speed absorption, whilst high-fat meals can delay onset by up to one hour.
Is tadalafil better than sildenafil for erectile dysfunction?
Neither medication is inherently 'better' — they work through the same mechanism but differ in duration of action. Sildenafil lasts up to four hours, whilst tadalafil remains effective for up to 36 hours. Your UK prescriber can help determine which option suits your lifestyle and treatment goals.
What are the most common side effects of sildenafil?
The most frequently reported side effects include headache (16% of users), facial flushing (10%), indigestion (7%), and nasal congestion (4%). These effects are typically mild to moderate and resolve within a few hours as the medication clears your system.
Can I take sildenafil if I have high blood pressure?
Many men with well-controlled high blood pressure can safely use sildenafil, but this depends on your specific cardiovascular health and current medications. Your UK prescriber will assess your blood pressure control and medication list during your online consultation to ensure safe prescribing.
How much does sildenafil cost at Cured Pharmacy?
Generic sildenafil starts from £0.45 per tablet at Cured Pharmacy, making it one of the most affordable erectile dysfunction treatments available in the UK. All pricing is transparent and displayed upfront before you begin your free consultation.
Will my sildenafil order arrive in discreet packaging?
Yes. All orders from Cured Pharmacy are dispatched in 100% discreet packaging with no external markings indicating the contents. We understand the importance of privacy when ordering erectile dysfunction treatment and guarantee complete confidentiality throughout the process.