Tadalis Sx: UK Status, Risks & the Licensed Equivalent

Written by Suks Minhas, MBBS, MD, FRCS(Urol) · Last updated October 3, 2026

Tadalis Sx is not licensed as a medicine in the UK for any use in the UK. It can still turn up in listings, but no MHRA review of its safety or effectiveness covers it.

Talk to a doctor or pharmacist before acting on it, and be cautious of sellers making strong claims about it. A missing or unclear UK licensing status is a reasonable thing to question.

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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2.5mg Not UK-licensed (MHRA)

£25.84 per tablet or capsule

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5 mg Not UK-licensed (MHRA)

£0.08 per tablet or capsule

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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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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

Listed prices are only an estimate, built from public UK pricing data, not a binding quote. Real-world prices depend on the pharmacy you choose and your location, so confirm the exact price with the pharmacy before you buy. A price that looks far too low compared with the range shown here should raise a red flag for a counterfeit or unlicensed seller.

Pharmacies by area for Tadalafil (UK-licensed equivalent)

North East · 884 pharmacies
North West · 2538 pharmacies
Yorkshire and The Humber · 1676 pharmacies
East Midlands · 1307 pharmacies
West Midlands · 1778 pharmacies
East of England · 1860 pharmacies
London · 3261 pharmacies
South East · 2368 pharmacies
South West · 1374 pharmacies
Northern Ireland · 714 pharmacies
Scotland · 1725 pharmacies
Wales · 1050 pharmacies

Pharmacies near you

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

Find pharmacies near me

Cities with the most pharmacies

London · 724 pharmacies
Birmingham · 265 pharmacies
Nottingham · 180 pharmacies
Glasgow · 177 pharmacies
Leeds · 173 pharmacies
Sheffield · 162 pharmacies
Bristol · 148 pharmacies
City of London · 144 pharmacies
Manchester · 134 pharmacies
Edinburgh · 131 pharmacies
Bolton · 124 pharmacies
Belfast · 122 pharmacies
Hampstead · 121 pharmacies
Coventry · 115 pharmacies
Cardiff · 112 pharmacies

About Tadalis Sx

Tadalis Sx is not a licensed medicine in the United Kingdom and cannot legally be sold there as a medicine. It is associated with tadalafil, but its claimed strengths, formulation and product quality are not independently verified. Tadalafil is a licensed point of comparison that readers can discuss with a doctor or pharmacist when considering treatment for erection difficulties.

Claimed strengths are manufacturer claims, but no strength is specified for Tadalis Sx. The label does not identify a dosage form or a dosing schedule.

A comparison with the maximum strength of licensed tadalafil cannot therefore be made. This product should not be treated as interchangeable with a prescribed tadalafil medicine.

What Tadalis Sx is used for

Tadalis Sx is marketed for erection difficulties, a use associated with tadalafil. This describes a marketing claim rather than an established indication for this product.

The label does not specify an approved use, formulation or strength, so the effects of licensed tadalafil should not be assumed to establish the effectiveness of Tadalis Sx. A doctor or pharmacist can discuss licensed tadalafil and whether treatment is appropriate, taking account of other medicines and relevant health conditions.

How Tadalis Sx works

Tadalafil belongs to a class of medicines called phosphodiesterase inhibitors. These medicines reduce the breakdown of a natural chemical involved in relaxing blood vessels. In erectile tissue, this can support increased blood flow during sexual stimulation and help an erection develop.

Sexual stimulation is still necessary; the medicine does not directly increase sexual desire. This describes the general mechanism of tadalafil, not proof that Tadalis Sx contains a particular amount of the ingredient or produces the same effects as a licensed medicine.

Key warnings

Tadalis Sx lacks licensing as a medicine in the United Kingdom and independent verification of its strength, composition and quality.
Tadalafil can lower blood pressure; suitability requires particular care in people with cardiovascular disease.
A prolonged or painful erection requires urgent medical attention.
Sudden loss of vision or hearing requires urgent medical attention.
Headache, indigestion, flushing and back pain can occur with tadalafil.

Main interactions

Nitrates, including medicines for angina, can cause a dangerous fall in blood pressure when combined with tadalafil.
Nitrite-containing recreational substances can also cause a dangerous fall in blood pressure.
Riociguat must not be combined with tadalafil because of the risk of low blood pressure.
Alpha-blockers and other blood pressure medicines may increase blood pressure-lowering effects.
Medicines that affect tadalafil breakdown, including certain antifungals and antibiotics, can alter its effects.
Other treatments for erection difficulties and substantial alcohol consumption may increase adverse effects.

Missed dose

Missed-dose guidance for tadalafil depends on whether a licensed medicine is prescribed regularly or for use when required. There is no established missed-dose instruction for Tadalis Sx. A doctor or pharmacist can clarify the instructions for a licensed tadalafil product; doubling a dose to compensate can increase adverse effects.

Pregnancy and breastfeeding

The marketing material does not specify pregnancy or breastfeeding data for Tadalis Sx. Tadalafil treatment for erection difficulties is not intended for use during pregnancy or breastfeeding. Any proposed exposure during pregnancy or lactation should be discussed with a doctor or pharmacist rather than relying on this product's marketing claims.

Storage

No storage conditions or dosage form are listed for Tadalis Sx. General medicine storage practice is to retain the original packaging, protect it from moisture and excessive heat, and keep it out of the reach of children.

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First published October 2, 2026 · Last updated October 3, 2026 · Report an error on this page