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Chemist Prices

Cialis Sublingual: UK Status, Risks & the Licensed Equivalent

Cialis Sublingual has no UK product license for sale in the UK. It can still turn up in listings, but its safety and effectiveness have not been assessed by the MHRA.

Check with a pharmacist before deciding anything about it, and question sellers who make bold claims about it. A status that is not clearly stated is itself worth asking about.

Not UK-licensed. This medicine is not supplied through UK-registered pharmacies.

Sellers list the active ingredient as tadalafil. The MHRA has not assessed what these products actually contain.

UK-licensed equivalent: Tadalafil

The MHRA warns that medicines sold outside registered pharmacies can be counterfeit, contaminated, or contain the wrong amount of active ingredient. Buy prescription-only medicines from a pharmacy registered in the UK.

Tadalafil price estimates, the UK-licensed equivalent

Estimate, not a quote

Prices below are for Tadalafil, the UK-licensed medicine with the same active ingredient. This product itself is not UK-licensed and cannot be supplied through UK-registered pharmacies.

  • 2.5 mg Not UK-licensed (MHRA)

    £0.09 per tablet or capsule

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    Price estimate

    Where to buy
  • 2.5mg Not UK-licensed (MHRA)

    £25.84 per tablet or capsule

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    Price estimate

    Where to buy
  • 5 mg Not UK-licensed (MHRA)

    £0.08 per tablet or capsule

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    Price estimate

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  • 5mg Not UK-licensed (MHRA)

    £3.87 per tablet or capsule

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  • 10 mg Not UK-licensed (MHRA)

    £0.12 per tablet or capsule

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  • 10mg Not UK-licensed (MHRA)

    £2.35 per tablet or capsule

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  • 20 mg Not UK-licensed (MHRA)

    £0.11 per tablet or capsule

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  • 20mg Not UK-licensed (MHRA)

    £2.88 per tablet or capsule

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  • 20 mg/5 mL Not UK-licensed (MHRA)

    £9.90 per mL

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    Where to buy
£0.09 2.5 mg £25.84 2.5mg £0.08 5 mg £3.87 5mg £0.12 10 mg £2.35 10mg £0.11 20 mg £2.88 20mg
Estimated price per tablet or capsule by strength
All forms and prices
Price estimates by strength
Forms Price per unit
2.5 mg £0.09 / tablet or capsule
2.5mg £25.84 / tablet or capsule
5 mg £0.08 / tablet or capsule
5mg £3.87 / tablet or capsule
10 mg £0.12 / tablet or capsule
10mg £2.35 / tablet or capsule
20 mg £0.11 / tablet or capsule
20mg £2.88 / tablet or capsule
20 mg/5 mL £9.90 / mL

as of Oct 2, 2026 · Pricing methodology

These numbers are an estimate, drawn from UK pricing sources including NHS dispensing data, not a binding quote. What you pay can differ by pharmacy and where you are, so use these figures for comparison only. A price that looks far too low compared with the range shown here should be treated as a red flag about the seller's license.

Pharmacies by area for Tadalafil (UK-licensed equivalent)

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Use your location to open the pharmacies closest to you and ask them about Tadalafil, the UK-licensed medicine with the same active ingredient.

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About Cialis Sublingual

Cialis Sublingual is not a licensed medicine in the United Kingdom and cannot legally be sold there as a medicine. It is marketed as a product containing tadalafil, but its quality, content and manufacturing standards are not independently verified for United Kingdom medicinal use. Anyone considering treatment for erectile difficulties should discuss suitable, regulated options with a doctor or pharmacist.

Claimed strengths are manufacturer claims, but no strength is listed for Cialis Sublingual. No dosing schedule or amount can be confirmed from the product information. A doctor or pharmacist can advise on a regulated tadalafil product and whether it is suitable.

What Cialis Sublingual is used for

Cialis Sublingual is marketed for helping adults with erectile difficulties by supporting the ability to obtain or maintain an erection when sexual stimulation is present. This is a marketing claim, not an established indication for a licensed United Kingdom medicine.

Erectile difficulties can have physical, psychological or medicine-related causes, so assessment by a doctor may identify health issues that need attention. A pharmacist can explain whether a regulated tadalafil product or another treatment is suitable.

How Cialis Sublingual works

Tadalafil belongs to a group of medicines called phosphodiesterase type five inhibitors. In general, these medicines help maintain higher levels of a natural signalling substance in the penis during sexual stimulation. This relaxes certain blood vessels and can increase blood flow, which may support an erection.

Sexual stimulation is still needed, and the medicine does not create sexual desire. Products marketed as sublingual may be intended to dissolve under the tongue, but the way an unlicensed product is absorbed, and the amount of active ingredient it contains, cannot be assumed to match a regulated medicine.

Key warnings

  • Cialis Sublingual is not a licensed medicine in the United Kingdom and cannot legally be sold there as a medicine.
  • The product's contents, strength and manufacturing quality have not been independently verified for United Kingdom medicinal use.
  • Tadalafil-class medicines can cause headache, flushing, indigestion, nasal congestion, dizziness or changes in vision.
  • Seek urgent medical help for chest pain, a sudden loss of vision or hearing, or an erection that is prolonged or painful.
  • Tadalafil can lower blood pressure and may be unsuitable for some people with heart or blood-pressure problems.
  • Do not rely on an online product description as confirmation that the product is genuine or suitable.

Main interactions

  • Nitrate medicines used for chest pain can cause a dangerous fall in blood pressure with tadalafil-class medicines.
  • Other medicines that lower blood pressure may increase the blood-pressure-lowering effect.
  • Alpha-blockers used for urinary symptoms or blood pressure may cause dizziness or low blood pressure when combined.
  • Some medicines that affect liver enzymes can alter tadalafil exposure and side-effect risk.
  • Combining tadalafil-class medicines with recreational drugs that contain nitrates can cause a dangerous fall in blood pressure.
  • Other treatments for erectile difficulties should not be combined unless a doctor advises this.

Missed dose

Tadalafil-class treatment for erectile difficulties is generally used around sexual activity rather than as a routine course, although regulated products can have different directions. If a scheduled regimen has been prescribed, general medicine advice is to follow the label or prescriber's instructions and not take extra doses to make up for a missed one. Because the directions and strength of this product are not established, a doctor or pharmacist should clarify what applies before further use.

Pregnancy and breastfeeding

Tadalafil-class medicines are intended for erectile difficulties and are not generally used during pregnancy. There is not enough established information to assume that an unlicensed product is suitable during pregnancy or breastfeeding.

The marketing material does not specify pregnancy or lactation data. Anyone who is pregnant, planning pregnancy or breastfeeding should discuss the product with a doctor or pharmacist before use.

Storage

No storage conditions are listed for this product. Keep it in its original packaging, dry and away from excessive heat, moisture and direct light. Keep it out of the sight and reach of children, and follow any storage directions on the label to maintain quality.

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First published October 2, 2026 · Last updated · Report an error on this page