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Cialis price in the UK

DoktorABC editorial team
Accurate, up-to-date health information written by our editorial team and reviewed by UK-registered prescribers.

The cost of Cialis (tadalafil) in the UK varies considerably depending on whether you choose branded Cialis or generic tadalafil, the dose and pack size you need, and how you access it. For most men, generic tadalafil offers identical clinical benefit to branded Cialis at a significantly lower price. This guide sets out what affects Cialis pricing and how to find the best value without compromising safety.
What you will take away from this article
  • How branded Cialis and generic tadalafil compare on price
  • How dose and pack size affect cost per tablet
  • What Cialis costs on the NHS versus privately
  • How to reduce costs legally and safely
  • The risks of cheap Cialis from unregulated sources

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What affects the price of Cialis in the UK?

Three factors determine what you pay for Cialis or tadalafil in the UK:

  • Whether you choose branded or generic
  • How you access it (NHS, pharmacy, or online clinic)
  • The dose and pack size you select

Branded Cialis vs generic tadalafil: The price difference

Branded Cialis is manufactured by Eli Lilly and carries a significant price premium over generic Cialis (tadalafil). Generic tadalafil contains the same active ingredient at the same dose, meets the same MHRA standards, and produces identical clinical effects. The price difference reflects branding and marketing costs, not a difference in quality or efficacy.

As a general guide, branded Cialis commands meaningfully higher prices than generic tadalafil across all available doses (5 mg, 10 mg, and 20 mg). Generic tadalafil is widely available from GPhC-registered UK pharmacies at considerably lower prices, with larger pack sizes typically offering a better cost per tablet.

Good to know

Prices vary between providers and change over time. Always confirm the current price directly with your chosen GPhC-registered provider before ordering. For current pricing at DoktorABC, visit our product page directly.

Cialis 5mg price

The 5 mg dose is used primarily for daily tadalafil, where a continuous low-level dose is taken once every day rather than on demand. This removes the need to time a dose around sexual activity and suits men who have sex frequently or who prefer not to plan around medication.

Generic tadalafil 5 mg is typically the most cost-effective option for daily use and is widely available from GPhC-registered UK pharmacies on private prescription. Branded Cialis 5 mg is available at a considerably higher monthly cost for the same active ingredient.

As a general guide, generic tadalafil 5 mg for daily use typically costs between £15 and £30 per month privately, while branded Cialis 5 mg commands a significantly higher monthly price. Always confirm current pricing directly with your provider.

Cialis 10mg price

The 10 mg dose is the recommended on-demand starting dose for most men. It sits between the lower 5 mg and the maximum 20 mg, offering a useful intermediate option for men who find 20 mg produces side effects but require more than the daily 5 mg dose for on-demand use.

Generic tadalafil 10 mg is available from most GPhC-registered UK pharmacies at a lower cost than the 20 mg dose per tablet, though the difference is modest. Always confirm current pricing with your provider.

Cialis 20mg price

The 20 mg dose is the maximum licensed on-demand dose of tadalafil and is prescribed when the 10 mg dose produces insufficient results. It is the most widely prescribed on-demand strength.

Generic tadalafil 20 mg typically costs between £1 and £4 per tablet on private prescription from a GPhC-registered UK pharmacy, making it considerably more affordable than branded Cialis 20 mg. Branded Cialis 20 mg typically costs between £10 and £20 per tablet, though this varies between providers.

Always confirm current pricing directly with your chosen provider before ordering.

Good to know

Buying a larger pack size almost always reduces the cost per tablet. Men who take tadalafil regularly will find purchasing a larger supply offers meaningfully better value. For guidance on which dose is most appropriate for your circumstances, see our Cialis dosage guide. 

What does Cialis cost on the NHS?

Tadalafil is available on NHS prescription for eligible patients. In England, the standard prescription charge of £9.90 per item applies. Prescriptions are free in Scotland, Wales, and Northern Ireland for eligible patients, and for those in England who hold a valid medical exemption certificate or pre-payment certificate.

NHS prescribing for ED is not automatic. Tadalafil is funded on the NHS primarily for men whose ED is associated with a specific underlying condition such as diabetes, multiple sclerosis, Parkinson's disease, severe pelvic injury, or prostate cancer treatment. It is also available for benign prostatic hyperplasia (BPH) under certain NICE criteria. Men who do not meet these criteria will typically need to access treatment privately.

Speak to your GP about whether you qualify for NHS-funded tadalafil before committing to private costs. For a full overview of how to access Cialis in the UK, including whether any OTC options exist, see our guide to buying Cialis over the counter.

Online pharmacy pricing vs high street pharmacy

Private tadalafil prescriptions are available through GP private consultations, high-street pharmacies, and regulated online clinics. Online clinics often offer competitive pricing relative to high-street private pharmacies, partly because of lower overheads and partly because of the competitive generic tadalafil market.

The total cost of a private prescription typically includes a consultation or assessment fee (included in the medication price by some providers, charged separately by others) and the cost of the medication itself. Always confirm whether consultation fees, delivery, and follow-up support are included before ordering.

What drives the cost difference between branded and generic?

When Eli Lilly developed tadalafil, the costs of research, clinical trials, regulatory approval, and global marketing were substantial. The original patent gave Eli Lilly exclusive rights to manufacture and sell the drug for a defined period. When the patent expired, other manufacturers were able to produce tadalafil without repeating those development costs, and competition between multiple suppliers drove prices down significantly.

Generic tadalafil is not a lesser product. All licensed generic tadalafil products sold in the UK must demonstrate bioequivalence to branded Cialis, meaning they deliver the same amount of active ingredient into the bloodstream at the same rate.

How to reduce Cialis costs legally

  • Choose generic tadalafil: The single most effective way to reduce costs. Generic tadalafil is identical in clinical terms to branded Cialis at a fraction of the price.
  • Buy larger pack sizes: Cost per tablet reduces significantly with larger quantities for men taking tadalafil regularly.
  • Check NHS eligibility: Speak to your GP about whether you qualify for NHS-funded tadalafil before committing to ongoing private costs.
  • Compare GPhC-registered providers: Prices for generic tadalafil vary between regulated providers. Comparing several gives a reliable picture of the current market. Compare GPhC-registered providers on total cost including consultation and delivery. For a full overview of legitimate sources, see our where to buy Cialis guide. 
  • Consider daily dosing: For men who have sex frequently, daily tadalafil 5 mg may offer better value per occasion than repeated on-demand 10 mg or 20 mg doses.

Why cheap Cialis from unofficial sources is risky

A significant number of websites offer to sell Cialis or tadalafil without requiring a prescription or medical assessment, often at prices well below the regulated market. This is illegal under UK medicines regulations and carries genuine health risks.

Warning!

The MHRA has consistently warned that a significant proportion of ED medicines purchased from unregulated online sources are counterfeit, contain no active ingredient, or include harmful contaminants. Red flags include: no requirement for a medical questionnaire; prices significantly below the market range; no GPhC logo or a logo that does not link to the register; and no UK contact address. Report suspected counterfeit products via the Yellow Card scheme at yellowcard.mhra.gov.uk.

Final thoughts

For most men in the UK, generic tadalafil on private prescription represents the most cost-effective route to Cialis-equivalent treatment. The price difference between branded and generic is substantial, with no clinical trade-off. Checking NHS eligibility, comparing GPhC-registered providers, and considering pack size are the most straightforward ways to reduce ongoing costs without compromising safety or quality.

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FAQ

How much does Cialis cost in the UK?

Branded Cialis is significantly more expensive than generic tadalafil. Always confirm current pricing directly with your chosen GPhC-registered provider.

What is the Cialis 20mg price in the UK?

Generic tadalafil 20 mg typically costs between £1 and £4 per tablet privately. Branded Cialis 20 mg typically costs between £10 and £20 per tablet. Prices vary between providers and should always be confirmed before ordering.

What is the Cialis 5mg price for daily use?

Generic tadalafil 5 mg for daily use typically costs between £15 and £30 per month privately. Branded Cialis 5 mg is available at a significantly higher monthly cost.

Is generic tadalafil cheaper than branded Cialis?

Yes, considerably. Generic tadalafil meets the same MHRA standards as branded Cialis and produces identical clinical effects at a much lower cost per tablet.

Can I get Cialis on the NHS?

Yes, for eligible patients whose ED is associated with specific underlying conditions. Standard prescription charges apply in England. Speak to your GP about whether you qualify.

How can I reduce the cost of Cialis?

Choose generic tadalafil, buy larger pack sizes, check NHS eligibility, and compare GPhC-registered providers on total cost including consultation and delivery.

Is cheap Cialis online safe?

Only from a GPhC-registered pharmacy or prescribing service requiring a genuine medical assessment. Unusually cheap tadalafil from unregulated sources carries real risks of counterfeit or contaminated products.

The DoktorABC medical advisory board

DoktorABC medical advisory - Dr. Roland Ruiken

Dr. Roland Ruiken

Medical advisor, Norway

DoktorABC medical advisory - Dr. Viktor Simunovic

Dr. Viktor Simunovic

Medical advisor, Croatia

To the medical advisory board