Viagra Pill UK: Facts & How It Works | Cured Pharmacy

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Viagra Pill: Quick Facts & Essential Information

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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

Future orders save 5%
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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

From £11.49

Future orders save 5%
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Viagra Pill: Quick Facts & Essential Information

Looking for reliable information about the viagra pill uk online pharmacy options? At Cured Pharmacy, we provide genuine UK-licensed sildenafil (the active ingredient in Viagra) from £0.45, with transparent pricing and free clinical consultations under 3 minutes. Our UK-registered prescribers assess every patient to ensure safe, appropriate treatment for erectile dysfunction.

How the Viagra Pill Works in Your Body

Viagra contains sildenafil citrate, a phosphodiesterase type 5 (PDE5) inhibitor that works by relaxing blood vessels in the penis, allowing increased blood flow during sexual stimulation [1]. It's important to understand that sildenafil doesn't create an erection on its own — sexual arousal is still required for the medication to be effective.

The mechanism is straightforward: when sexually aroused, your body releases nitric oxide, which triggers the production of cyclic guanosine monophosphate (cGMP). This chemical messenger relaxes smooth muscle tissue in the penis, enabling blood flow [1]. PDE5 normally breaks down cGMP, but sildenafil blocks this enzyme, allowing cGMP levels to remain elevated and supporting sustained erections.

Clinical trials demonstrate that sildenafil significantly improves erectile function in men with erectile dysfunction of various causes, including psychological, organic, and mixed aetiologies [2]. The medication typically begins working within 30-60 minutes of ingestion, with peak plasma concentrations reached approximately one hour after dosing.

Viagra Pill Dosage: Finding the Right Strength

Sildenafil is available in the UK in three standard strengths: 25mg, 50mg, and 100mg tablets. The recommended starting dose for most men is 50mg, taken approximately one hour before sexual activity [3]. Your UK prescriber may adjust this based on your response and tolerability.

If the 50mg dose proves effective but you experience side effects, your prescriber might reduce you to 25mg. Conversely, if 50mg doesn't provide sufficient benefit and you tolerate it well, the dose may be increased to 100mg — the maximum recommended single dose [3].

Crucially, sildenafil should not be taken more than once in a 24-hour period. The medication's effects typically last 4-6 hours, though this varies between individuals based on factors including age, metabolism, and whether you've recently eaten a high-fat meal, which can delay absorption.

When to Take Your Viagra Pill

For optimal results, take your sildenafil tablet on an empty stomach or after a light meal, approximately 30-60 minutes before anticipated sexual activity. High-fat meals can delay the medication's absorption by up to an hour, reducing spontaneity. Swallow the tablet whole with water — do not crush, chew, or split tablets unless specifically advised by your prescriber.

Common Viagra Pill Side Effects and Safety

Like all medications, sildenafil can cause side effects, though not everyone experiences them. The most commonly reported side effects include headache (affecting up to 16% of users), facial flushing, indigestion, nasal congestion, and visual disturbances such as a blue tinge to vision or increased light sensitivity [4].

These side effects are generally mild to moderate and diminish as your body adjusts to the medication. Headaches occur because sildenafil's vasodilatory effects aren't limited to the penis — blood vessels throughout the body relax slightly, which can trigger headaches in susceptible individuals.

Serious side effects are rare but require immediate medical attention. Seek emergency care if you experience a prolonged erection lasting more than four hours (priapism), sudden vision or hearing loss, or chest pain during sexual activity [4]. Never take sildenafil if you're using nitrate medications for chest pain, as this combination can cause a dangerous drop in blood pressure.

Who Shouldn't Take Viagra Pills

Sildenafil isn't suitable for everyone. You should not use this medication if you take nitrates, have severe heart or liver problems, have recently suffered a stroke or heart attack, have low blood pressure, or have rare inherited eye conditions like retinitis pigmentosa. Your UK prescriber will review your full medical history during your consultation to ensure sildenafil is safe and appropriate for you.

Treatment Active Ingredient Duration Starting Price
Sildenafil Sildenafil citrate 4-6 hours From £0.45
Viagra Connect Sildenafil citrate 4-6 hours From £11.49
Tadalafil Tadalafil Up to 36 hours From £9.99
Cialis Tadalafil Up to 36 hours From £53.00

Viagra vs Sildenafil: Understanding the Difference

Many patients ask about the difference between Viagra and sildenafil. The answer is straightforward: they contain the same active ingredient at the same strengths. Viagra is the branded version manufactured by Pfizer, whilst sildenafil is the generic equivalent produced by various licensed pharmaceutical companies.

Generic sildenafil became available in the UK after Pfizer's patent expired in 2013. Both versions must meet identical standards set by the Medicines and Healthcare products Regulatory Agency (MHRA) for quality, safety, and efficacy [5]. The main difference is price — generic sildenafil costs significantly less than branded Viagra whilst delivering the same clinical outcomes.

At Cured Pharmacy, we stock both branded and generic options. Our generic sildenafil starts from £0.45 per tablet, offering exceptional value without compromising on quality. All our medications are sourced from UK-licensed wholesalers and dispensed by our GPhC-registered pharmacy team led by Superintendent Pharmacist Tarun Kumar.

Viagra Pill Alternatives: Comparing Your Options

Whilst sildenafil remains the most widely prescribed erectile dysfunction treatment in the UK, several alternatives may better suit your lifestyle or medical profile. Tadalafil is another PDE5 inhibitor with a longer duration of action — up to 36 hours compared to sildenafil's 4-6 hours — making it popular among men who prefer more spontaneity [6].

Tadalafil is available in two formulations: on-demand tablets (10mg or 20mg) taken before sexual activity, or a daily low-dose option (2.5mg or 5mg) that maintains steady medication levels, allowing sexual activity at any time without planning. Clinical trials show similar efficacy rates between sildenafil and tadalafil, with choice often coming down to personal preference regarding duration and dosing schedule [6].

Other options include vardenafil, another PDE5 inhibitor with a similar profile to sildenafil, and non-tablet treatments like vacuum erection devices or penile injections for men who don't respond to oral medications. Your UK prescriber can discuss all available options during your consultation to identify the most suitable treatment for your individual circumstances.

Choosing Between Sildenafil and Tadalafil

Consider sildenafil if you prefer a shorter-acting medication that you take only when needed, typically offering 4-6 hours of effectiveness. Choose tadalafil if you value spontaneity and prefer a longer window of effectiveness lasting up to 36 hours, or if you're interested in a daily low-dose option. Both are equally effective for treating erectile dysfunction, and many men try both before settling on their preference.

Buying Viagra Pills Safely Online in the UK

When purchasing erectile dysfunction medication online, ensuring you're using a legitimate UK-registered pharmacy is essential for your safety. Cured Pharmacy is registered with the General Pharmaceutical Council (GPhC Registration Number 9012511), and all our prescription services are overseen by Superintendent Pharmacist Tarun Kumar (GPhC 2233073).

Our process is straightforward and compliant with UK regulations: you complete a free online consultation that takes under 3 minutes, a UK-registered prescriber reviews your medical information and issues a prescription if appropriate, and our pharmacy team dispenses your medication with discreet next-day delivery available. You'll see transparent pricing before your consultation — no hidden fees or surprise charges.

Beware of websites offering sildenafil without a prescription or at prices that seem too good to be true. Counterfeit erectile dysfunction medications are widespread online and may contain incorrect doses, harmful substances, or no active ingredient at all [7]. Always verify that any online pharmacy displays a GPhC registration number and requires a proper clinical assessment before dispensing prescription medications. You can check our registration on the GPhC website to confirm our legitimacy.

Scientific References

  1. Boolell, M., Allen, M. J., Ballard, S. A., Gepi-Attee, S., Muirhead, G. J., Naylor, A. M., Osterloh, I. H., & Gingell, C. (1996). Sildenafil: an orally active type 5 cyclic GMP-specific phosphodiesterase inhibitor for the treatment of penile erectile dysfunction. International Journal of Impotence Research, 8(2), 47–52.
  2. 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
  3. Electronic Medicines Compendium. (2023). Sildenafil 50mg Film-Coated Tablets - Summary of Product Characteristics (SmPC). Medicines.org.uk.
  4. Morales, A., Gingell, C., Collins, M., Wicker, P. A., & Osterloh, I. H. (1998). Clinical safety of oral sildenafil citrate (VIAGRA) in the treatment of erectile dysfunction. International Journal of Impotence Research, 10(2), 69–74. https://doi.org/10.1038/sj.ijir.3900316
  5. Medicines and Healthcare products Regulatory Agency. (2022). Generic medicines: marketing authorisations. GOV.UK.
  6. Carson, C. C., & Lue, T. F. (2005). Phosphodiesterase type 5 inhibitors for erectile dysfunction. BJU International, 96(3), 257–280. https://doi.org/10.1111/j.1464-410X.2005.05614.x
  7. Campbell, N., Clark, J. P., Stecher, V. J., Callanan, J. J., Donnelly, M. W., Goldstein, I., & White, R. J. (2012). Adulteration of purported herbal and natural sexual performance enhancement dietary supplements with synthetic phosphodiesterase type 5 inhibitors. The Journal of Sexual Medicine, 9(7), 1842–1849. https://doi.org/10.1111/j.1743-6109.2012.02758.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

How long does a Viagra pill take to work?
Sildenafil typically begins working within 30-60 minutes of ingestion, with peak effectiveness around one hour after taking the tablet. Sexual stimulation is required for the medication to produce an erection.
Can I take Viagra pills every day?
Sildenafil is designed for on-demand use and should not be taken more than once in a 24-hour period. If you're seeking daily treatment, speak to your prescriber about daily low-dose tadalafil as an alternative option.
What's the difference between Viagra pills and generic sildenafil?
Both contain the same active ingredient (sildenafil citrate) at identical strengths and must meet the same MHRA quality standards. The primary difference is that generic sildenafil costs significantly less than branded Viagra whilst delivering equivalent clinical results.
Do I need a prescription for Viagra pills 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 dispensed. At Cured Pharmacy, this consultation is free and takes under 3 minutes to complete online.
Can I drink alcohol with Viagra pills?
Moderate alcohol consumption is generally acceptable, but excessive drinking can impair your ability to achieve an erection and may increase the risk of side effects like dizziness or low blood pressure. Limit alcohol intake when using sildenafil for best results.
How should I store my Viagra pills?
Store sildenafil tablets in their original packaging at room temperature (below 30°C), away from moisture and direct sunlight. Keep all medications out of reach of children and do not use tablets past their expiry date.
Will Viagra pills work if I have diabetes?
Sildenafil can be effective for men with diabetes-related erectile dysfunction, though response rates may vary depending on the severity of vascular or nerve damage. Your UK prescriber will assess whether sildenafil is appropriate based on your overall diabetic control and any complications.
What if Viagra pills don't work for me?
If sildenafil doesn't provide adequate results after trying it on at least 4-6 occasions at the appropriate dose, speak to your prescriber about alternative treatments such as tadalafil, adjusting your dosage, or exploring non-tablet options like vacuum devices or penile injections.