Viagra vs Sildenafil UK: Price & Effectiveness | Cured

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Viagra vs Sildenafil: Which Offers Better Value?

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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
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Sildenafil

From £0.45

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

From £9.99

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Sildenafil Eropid - UK-licensed prescription Treatment
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Sildenafil Eropid

From £8.99

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Tadalafil (Teva) - UK-licensed prescription Treatment
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Tadalafil (Teva)

From £9.99

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Avarante Tablets Tadalafil Tablets 10mg - UK-licensed prescription Treatment
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Avarante Tablets Tadalafil Tablets 10mg

From £11.49

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Viagra Connect 50mg - UK-licensed prescription Treatment
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Viagra Connect 50mg

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Viagra vs Sildenafil: Which Offers Better Value?

When considering a viagra vs sildenafil uk price comparison, many patients are surprised to learn these are the same medication. At Cured Pharmacy, we offer transparent pricing on both branded Viagra and generic sildenafil, with sildenafil starting from just £0.45 per tablet following a free online consultation with our UK prescribers.

Understanding the Difference Between Viagra and Sildenafil

Viagra and sildenafil contain exactly the same active pharmaceutical ingredient: sildenafil citrate. Viagra is simply the brand name created by Pfizer when they first developed the medication in the 1990s [1]. When Pfizer's patent expired in 2013, other pharmaceutical manufacturers gained approval to produce generic versions using the identical active ingredient.

Both medications work through the same mechanism: they inhibit phosphodiesterase type 5 (PDE5), an enzyme that regulates blood flow in the penis [1]. This inhibition allows increased blood flow during sexual stimulation, helping achieve and maintain an erection. Clinical studies confirm that generic sildenafil demonstrates bioequivalence to branded Viagra, meaning it delivers the same therapeutic effect at the same dose [2].

The key difference lies purely in branding and price. Branded Viagra carries the premium associated with the original developer's name, whilst generic sildenafil offers identical clinical efficacy at a fraction of the cost. Both require a prescription from a UK-registered prescriber and undergo the same rigorous MHRA licensing standards.

Viagra vs Sildenafil UK Price Comparison

The price difference between branded Viagra and generic sildenafil can be substantial. At Cured Pharmacy, sildenafil is available with transparent upfront pricing, allowing patients to see costs before completing their clinical consultation.

Generic sildenafil typically costs significantly less than branded Viagra whilst delivering identical clinical outcomes. This price difference exists because generic manufacturers don't bear the research and development costs that Pfizer invested in the original formulation. The MHRA requires generic medications to demonstrate the same quality, safety, and efficacy as their branded counterparts [3].

For patients requiring long-term erectile dysfunction treatment, choosing generic sildenafil can result in considerable savings over time without compromising effectiveness. Our superintendent pharmacist, Tarun Kumar (GPhC 2233073), ensures all sildenafil products dispensed meet UK pharmaceutical standards regardless of whether they carry the Viagra brand name.

Cost Per Treatment Comparison

When evaluating value, consider your treatment frequency. Sildenafil is typically taken 30-60 minutes before sexual activity and remains effective for up to 4-6 hours [1]. Patients who require treatment multiple times weekly will see greater savings with generic sildenafil compared to branded alternatives.

Clinical Effectiveness: Is There Any Difference?

Multiple clinical studies have confirmed that generic sildenafil demonstrates identical effectiveness to branded Viagra. A systematic review published in the Journal of Sexual Medicine found no statistically significant difference in efficacy, safety, or tolerability between branded and generic sildenafil formulations [2].

Both medications achieve peak plasma concentration approximately 60 minutes after oral administration, with clinical effects lasting 4-6 hours in most patients [1]. The success rate for achieving erections sufficient for sexual intercourse is comparable across branded and generic formulations, typically ranging from 60-85% depending on the underlying cause of erectile dysfunction and dosage prescribed [4].

UK regulatory requirements ensure that generic sildenafil must contain the same active ingredient in the same strength, be taken the same way, and meet the same quality and safety standards as the branded version. The MHRA's rigorous approval process guarantees therapeutic equivalence [3].

Dosage Options Available

Both branded Viagra and generic sildenafil are available in 25mg, 50mg, and 100mg strengths. Your UK prescriber will determine the appropriate starting dose based on your medical history, current medications, and severity of erectile dysfunction. Many patients start with 50mg, which can be adjusted up or down depending on effectiveness and tolerability [1].

Feature Branded Viagra Generic Sildenafil Tadalafil
Active Ingredient Sildenafil citrate Sildenafil citrate Tadalafil
Duration of Action 4-6 hours 4-6 hours Up to 36 hours
Time to Take Effect 30-60 minutes 30-60 minutes 30 minutes
Starting Price at Cured from £11.49 from £0.45 from £9.99
Prescription Required Yes Yes Yes
Clinical Effectiveness 60-85% success rate 60-85% success rate 60-85% success rate

Side Effects and Safety Profile

Because Viagra and sildenafil contain the same active ingredient, they share an identical side effect profile. Common side effects include headache (occurring in approximately 16% of patients), facial flushing (10%), and indigestion (7%) [1]. These effects are typically mild to moderate and diminish with continued use.

Less common side effects may include nasal congestion, dizziness, and visual disturbances such as mild colour tinge or increased light sensitivity [1]. Serious side effects are rare but can include prolonged erections lasting more than 4 hours (priapism) and sudden vision or hearing loss. Patients experiencing these symptoms should seek immediate medical attention.

Both medications are contraindicated in patients taking nitrates for chest pain, as the combination can cause dangerous drops in blood pressure [4]. Your UK prescriber will review your complete medication list during the online consultation to ensure sildenafil is safe for you. All prescription erectile dysfunction treatments at Cured Pharmacy require clinical assessment by a registered UK prescriber before dispensing.

Alternative Erectile Dysfunction Treatments

Whilst sildenafil remains the most widely prescribed erectile dysfunction treatment in the UK, alternative PDE5 inhibitors may suit some patients better depending on their lifestyle and preferences. Tadalafil represents the main alternative, offering a longer duration of action compared to sildenafil.

Tadalafil can remain effective for up to 36 hours after administration, earning it the nickname 'the weekend pill' [5]. This extended window allows for more spontaneity compared to sildenafil's 4-6 hour effectiveness window. Some patients prefer this flexibility, whilst others favour sildenafil's shorter duration. Both medications require sexual stimulation to work and don't cause automatic erections.

At Cured Pharmacy, our clinical team can help you compare options during your free online consultation. Factors influencing the choice between sildenafil and tadalafil include how frequently you anticipate sexual activity, preference for spontaneity versus planning, and individual response to each medication. Some patients try both under prescriber guidance to determine which works best for their circumstances.

When to Consider Tadalafil Instead

Patients who engage in sexual activity more than twice weekly may benefit from daily low-dose tadalafil, which maintains consistent therapeutic levels and allows complete spontaneity [5]. Your UK prescriber can discuss whether this approach might be more suitable and cost-effective for your situation than on-demand sildenafil.

How to Order Sildenafil or Viagra Online Safely in the UK

Purchasing erectile dysfunction medication online requires caution to ensure you receive genuine, safe products. Cured Pharmacy is a fully registered UK pharmacy (GPhC Registration Number 9012511) operating under the supervision of our superintendent pharmacist, Tarun Kumar (GPhC 2233073).

Our process begins with a free online consultation that takes under 3 minutes to complete. You'll answer questions about your medical history, current medications, and cardiovascular health. A UK-registered prescriber reviews your responses and determines whether sildenafil is clinically appropriate for you. This assessment is mandatory for all prescription erectile dysfunction treatments under UK law.

If approved, your prescription is dispensed from our UK pharmacy and delivered in completely discreet packaging with no external markings indicating the contents. We offer transparent upfront pricing, so you'll see the exact cost before completing your consultation. All medications are genuine UK-licensed products sourced directly from approved wholesalers, never grey market imports. Our clinical team remains available on (+44) 116 4646009 if you have questions about your treatment.

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. Zou, Z., Lin, H., Liu, J., & Xu, C. (2016). Efficacy and safety of generic sildenafil in the treatment of erectile dysfunction: A systematic review and meta-analysis. Andrologia, 48(4), 429-437. https://doi.org/10.1111/and.12462
  3. Medicines and Healthcare products Regulatory Agency. (2021). Generic medicines: Understanding generic medicines. GOV.UK. https://www.gov.uk/government/publications/generic-medicines
  4. British National Formulary. (2024). Sildenafil. NICE BNF. https://bnf.nice.org.uk/drugs/sildenafil/
  5. Porst, H., Giuliano, F., Glina, S., Ralph, D., Casabé, A. R., Elion-Mboussa, A., & Sorsaburu, S. (2006). Evaluation of the efficacy and safety of once-a-day dosing of tadalafil 5mg and 10mg in the treatment of erectile dysfunction: results of a multicenter, randomized, double-blind, placebo-controlled trial. European Urology, 50(2), 351-359. https://doi.org/10.1016/j.eururo.2006.02.052

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

Is sildenafil as effective as Viagra?
Yes. Generic sildenafil contains the identical active ingredient as branded Viagra in the same strength and demonstrates equivalent clinical effectiveness in trials. The only difference is branding and price.
Why is sildenafil cheaper than Viagra in the UK?
Generic sildenafil costs less because manufacturers don't bear the original research and development costs that Pfizer invested in creating Viagra. Both medications meet identical MHRA quality and safety standards.
Can I switch from Viagra to sildenafil?
Yes, you can switch between branded Viagra and generic sildenafil without any change in effectiveness, as they contain the same active ingredient at the same dose. Discuss the switch with your UK prescriber during your consultation.
How much does sildenafil cost at Cured Pharmacy?
Sildenafil starts from £0.45 per tablet at Cured Pharmacy, with transparent upfront pricing shown before you complete your clinical consultation. Final cost depends on the strength and quantity prescribed by your UK clinician.
Do I need a prescription for sildenafil in the UK?
Yes. Sildenafil is a prescription-only medication in the UK and requires clinical assessment by a UK-registered prescriber before it can be legally dispensed, whether you choose branded Viagra or generic sildenafil.
What's the difference between sildenafil and tadalafil?
Both are PDE5 inhibitors that treat erectile dysfunction, but tadalafil lasts up to 36 hours compared to sildenafil's 4-6 hours. Your UK prescriber can help determine which suits your lifestyle better during your free consultation.
How long does sildenafil take to work?
Sildenafil typically takes 30-60 minutes to become effective and works best when taken on an empty stomach. It remains active for 4-6 hours, though this doesn't mean you'll have an erection for that entire period—sexual stimulation is still required.
Are there any side effects unique to generic sildenafil?
No. Generic sildenafil and branded Viagra share an identical side effect profile because they contain the same active ingredient. Common side effects include headache, flushing, and indigestion, occurring at the same frequency regardless of brand.