Viagra Oder Cialis UK - Compare Prices & Which Is Best

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Viagra Oder Cialis - Compare Cheapest UK Prices

Compare Viagra and Cialis at the cheapest UK price from £9.19 with 20% off using code Ednew.

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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

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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

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

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Viagra Oder Cialis: Understanding the Key Differences

When searching for viagra oder cialis, many patients want to understand which erectile dysfunction treatment is right for them. Both medications are highly effective PDE5 inhibitors licensed in the UK for treating erectile dysfunction, but they differ in onset time, duration of action, and suitability for different lifestyles. This guide compares Viagra (sildenafil) and Cialis (tadalafil) to help you make an informed decision with your prescriber.

What Are the Main Differences Between Viagra Oder Cialis?

The fundamental difference between viagra oder cialis lies in their duration of action and onset time. Viagra (sildenafil citrate) typically works within 30-60 minutes and remains effective for 4-6 hours, making it suitable for planned sexual activity [1]. Cialis (tadalafil), by contrast, can remain active in the body for up to 36 hours, earning it the nickname 'the weekend pill' among patients [2].

Both medications work by inhibiting phosphodiesterase type 5 (PDE5), an enzyme that regulates blood flow to the penis. Clinical trials demonstrate that sildenafil achieves successful intercourse in approximately 70-85% of men with erectile dysfunction, while tadalafil shows similar efficacy rates of 75-81% across multiple studies [1][2]. The choice between them often depends on lifestyle preferences rather than pure effectiveness.

At Cured Pharmacy, sildenafil is available from £9.19 per tablet, while tadalafil starts from £9.19, making both treatments accessible and competitively priced. All erectile dysfunction medications require an online clinical assessment by a UK-registered prescriber before dispensing.

How Quickly Do Viagra Oder Cialis Work?

Viagra typically requires 30-60 minutes before sexual activity, though some patients report effects within 20 minutes on an empty stomach. Cialis can work within 30 minutes but may take up to 2 hours to reach peak plasma concentration [3]. For daily use, low-dose tadalafil (2.5mg or 5mg) builds up in the system, allowing spontaneous sexual activity without timing constraints.

Which Lasts Longer: Viagra Oder Cialis for Erectile Dysfunction?

Duration of action is the most significant distinction when comparing viagra oder cialis. Sildenafil's effects typically last 4-6 hours, providing a clear window for sexual activity that many patients find predictable and manageable [1]. Tadalafil's extended 36-hour window offers greater spontaneity, eliminating the need to time medication precisely before intimacy [2].

This extended duration makes Cialis particularly popular among men who prefer not to plan sexual activity around medication timing. However, the longer half-life also means tadalafil remains in the system longer, which may be a consideration for patients taking certain other medications or those with specific health conditions.

Clinical pharmacokinetic studies show that tadalafil reaches maximum plasma concentration (Tmax) at approximately 2 hours, with a half-life of 17.5 hours, compared to sildenafil's Tmax of 1 hour and half-life of 3-5 hours [3]. Both medications require sexual stimulation to be effective—they do not cause automatic erections.

Side Effects: Comparing Viagra Oder Cialis Safety Profiles

When evaluating viagra oder cialis, side effect profiles are remarkably similar, as both are PDE5 inhibitors with comparable mechanisms of action. The most common side effects include headache (11-16% of users), facial flushing (10-13%), indigestion (7-12%), and nasal congestion (4-10%) [1][2].

Sildenafil is more commonly associated with visual disturbances, including temporary blue-tinted vision or increased light sensitivity, affecting approximately 3% of users due to mild PDE6 inhibition in the retina [4]. Tadalafil tends to cause back pain and muscle aches in 6-12% of patients, typically occurring 12-24 hours after dosing and resolving within 48 hours [2].

Both medications are contraindicated with nitrate medications (used for angina) due to potentially dangerous blood pressure drops. Patients with cardiovascular conditions, severe liver or kidney impairment, or recent stroke should undergo careful assessment before use. At Cured Pharmacy, our UK-registered prescribers review full medical history during the online consultation to ensure safe prescribing.

Drug Interactions with Viagra Oder Cialis

Both sildenafil and tadalafil interact with alpha-blockers (used for prostate enlargement), potentially causing symptomatic hypotension. Patients should be stable on alpha-blocker therapy before starting PDE5 inhibitors, with at least a 4-hour gap between medications [3]. CYP3A4 inhibitors like ketoconazole, ritonavir, and certain antibiotics can increase drug levels, requiring dose adjustments.

Feature Viagra (Sildenafil) Cialis (Tadalafil)
Onset time 30-60 minutes 30 minutes - 2 hours
Duration 4-6 hours Up to 36 hours
Dosing options On-demand only On-demand or daily
Food interaction Reduced by high-fat meals Minimal food interaction
Common side effects Headache, flushing, visual changes Headache, flushing, back pain
Starting price at Cured From £0.45 From £9.99
Branded price Viagra Connect from £11.49 Cialis from £53.00

Dosing Options: Viagra Oder Cialis Flexibility

Understanding dosing differences helps patients choose between viagra oder cialis based on their treatment goals. Viagra is available in 25mg, 50mg, and 100mg tablets, typically taken as needed approximately one hour before sexual activity, with a maximum of one dose per 24 hours [1].

Cialis offers two distinct dosing strategies: on-demand tablets (10mg or 20mg taken before sexual activity) or daily low-dose therapy (2.5mg or 5mg taken at the same time each day). Daily tadalafil allows for spontaneous sexual activity without planning, as therapeutic levels remain constant [2]. This flexibility makes tadalafil particularly suitable for men who engage in sexual activity more than twice weekly.

At Cured Pharmacy, sildenafil is available from £9.19 per tablet, while tadalafil starts from £9.19. Branded Viagra Connect 50mg is available from £9.19, and branded Cialis (tadalafil) from £9.19. All dosing decisions require prescriber approval following clinical assessment.

Cost Comparison: Viagra Oder Cialis UK Pricing

Price considerations often influence the decision between viagra oder cialis, particularly for long-term treatment. Generic sildenafil represents the most cost-effective option, starting from £9.19 per tablet at Cured Pharmacy—a significant saving compared to branded alternatives [5].

Generic tadalafil offers excellent value at £9.19, providing the extended 36-hour window at competitive pricing. Branded Viagra Connect costs from £9.19, while branded Cialis starts at £9.19. For patients requiring frequent dosing, generic sildenafil typically offers the best value, while those preferring spontaneity may find tadalafil's extended duration justifies the higher per-tablet cost.

New patients at Cured Pharmacy receive 20% off their first order with code Ednew, making treatment even more affordable. All prices are transparent and displayed before the clinical consultation, with no hidden fees. UK delivery is discreet and typically arrives within 1-2 working days.

Value for Money: Viagra Oder Cialis Long-Term Costs

When calculating long-term costs, consider frequency of use. For occasional use (1-2 times monthly), either medication proves economical. For frequent use (3+ times weekly), daily low-dose tadalafil may offer better value than multiple on-demand doses, despite higher per-tablet pricing. Your prescriber can help determine the most cost-effective regimen for your needs.

Which Should You Choose: Viagra Oder Cialis for Your Lifestyle?

Choosing between viagra oder cialis ultimately depends on individual lifestyle, relationship patterns, and personal preferences rather than superior efficacy. Viagra suits patients who prefer predictable timing, engage in sexual activity less frequently, or want medication to clear the system relatively quickly [1].

Cialis is ideal for men seeking spontaneity, those in relationships with frequent sexual activity, or patients who find planning around medication timing inconvenient. The daily low-dose option particularly benefits men who want continuous readiness without on-demand dosing [2]. Some patients even use both medications at different times, switching based on circumstances—a strategy that requires prescriber guidance.

At Cured Pharmacy, our UK-registered clinical team provides personalised recommendations during your online consultation, considering your medical history, lifestyle, and treatment goals. Both medications are equally effective for erectile dysfunction when used appropriately, with choice primarily reflecting personal preference. All treatments require clinical approval and are dispensed only after assessment by a qualified UK prescriber.

Start your discreet online assessment today to determine which treatment is right for you, with prices from £9.19 and 20% off your first order using code Ednew.

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.
  2. 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.
  3. Porst, H., Padma-Nathan, H., Giuliano, F., Anglin, G., Varanese, L., & Rosen, R. (2003). Efficacy of tadalafil for the treatment of erectile dysfunction at 24 and 36 hours after dosing: a randomized controlled trial. Urology, 62(1), 121-126.
  4. Laties, A., & Zrenner, E. (2002). Viagra (sildenafil citrate) and ophthalmology. Progress in Retinal and Eye Research, 21(5), 485-506.
  5. Medicines and Healthcare products Regulatory Agency. (2020). Public Assessment Report: Generic sildenafil and tadalafil products. MHRA.

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 take viagra oder cialis together on the same day?
No, you should never take Viagra and Cialis together or on the same day, as both are PDE5 inhibitors and combining them significantly increases the risk of serious side effects including dangerous blood pressure drops. Always follow your prescriber's dosing instructions.
Which works better for severe erectile dysfunction: viagra oder cialis?
Clinical trials show comparable efficacy rates of 70-85% for both medications in severe erectile dysfunction. Effectiveness depends more on individual response, underlying causes, and proper dosing than inherent superiority of either drug.
Does tadalafil work faster than sildenafil?
Sildenafil typically works slightly faster (30-60 minutes) compared to tadalafil (30 minutes to 2 hours), though individual response varies. The main advantage of tadalafil is duration (36 hours) rather than onset speed.
Can I switch between viagra oder cialis if one stops working?
Yes, some patients respond better to one medication than the other, and switching is safe under prescriber guidance. If one becomes less effective, trying the alternative PDE5 inhibitor may restore treatment success.
Are generic versions of viagra oder cialis as effective as branded?
Yes, generic sildenafil and tadalafil contain identical active ingredients at the same doses as branded Viagra and Cialis, meeting MHRA bioequivalence standards. They offer the same efficacy at significantly lower prices.
Which has fewer side effects: viagra oder cialis?
Side effect profiles are very similar, with headache and flushing most common in both. Sildenafil more often causes visual changes, while tadalafil more commonly causes back pain, but overall tolerability is comparable.
How long can I safely use viagra oder cialis long-term?
Both medications are safe for long-term use when prescribed appropriately and monitored by a healthcare professional. Many patients use PDE5 inhibitors for years without developing tolerance or serious complications.
Do I need a prescription for viagra oder cialis in the UK?
Viagra Connect 50mg is available without prescription from UK pharmacies, but all other doses of sildenafil and all tadalafil products require a prescription following clinical assessment by a UK-registered prescriber.
Tarun Kumar, Prescribing Pharmacist

Medically reviewed by

Tarun Kumar, Prescribing Pharmacist (GPhC 2233073)

Last reviewed: 1 August 2026