Sildenafil (generic) — UK price comparison

Compare Sildenafil treatment services

All providers listed are GPhC-registered pharmacies or their linked online prescribing services. Prices are the pharmacy's own current service prices — where we haven't verified a price, check it on the pharmacy's site. Ordering is always subject to the pharmacy's own consultation.

Pick My Pharmacy is an independent comparison service and not a pharmacy. Where a listing is a referral partner we may earn a commission when you visit them — this never changes prices you pay, ratings, or the order providers appear. Affiliate links use rel="sponsored" and are labelled “Ad – Affiliate”. For Prescription Only Medicines we promote the pharmacy’s clinical service, not a specific medicine, in line with the MHRA Blue Guide. See our affiliate compliance.

What the price covers

UK online pharmacies price sildenafil as a treatment service: the published price normally includes the online consultation, review by a prescriber, the tablets themselves, and tracked delivery. Pricing is per pack rather than per month — packs of 4, 8, or 16 tablets are standard, and the per-tablet price falls as pack size rises, so a pack of 16 usually costs far less per tablet than a pack of 4. Dose strength (25mg, 50mg, or 100mg) also affects the price, though less than pack size does. When comparing pharmacies, work out the per-tablet cost at the dose and quantity you'd actually use, and confirm whether consultation and delivery are included or charged separately.

Who can be prescribed it and how the consultation works

Sildenafil is a prescription-only medicine in the UK, licensed for the treatment of erectile dysfunction in adult men. Every legitimate online pharmacy runs a structured consultation — a health questionnaire covering blood pressure, heart conditions, current medicines (particularly nitrates, which cannot be combined with sildenafil), and relevant history — which a prescriber reviews before deciding whether to prescribe, ask follow-up questions, or decline. Suitability is not guaranteed, and a pharmacy declining supply is the system working as intended. GPs can also prescribe sildenafil, including on the NHS in some circumstances, so it is worth speaking to your GP if you'd prefer that route or if ED is a new symptom — it can indicate an underlying condition worth investigating.

The Viagra Connect option

Viagra Connect is sildenafil 50mg reclassified as a pharmacy medicine, which means a pharmacist can sell it without a prescription after a face-to-face or online suitability check. It is a legitimate walk-in alternative at high-street pharmacies for men who prefer not to go through an online prescriber service, though it is only available at the 50mg dose and the per-tablet price is typically higher than generic prescription sildenafil. Full-strength prescription sildenafil (including 100mg) still requires a prescriber consultation. Which route suits you is a practical and clinical question — the pharmacist or prescriber will advise during the suitability check.

Safety, counterfeits, and side effects

Erectile dysfunction medicines are among the most counterfeited drugs in the world, so buying only from GPhC-registered pharmacies matters more here than in almost any other category — counterfeit tablets sold through unregistered websites and social media may contain the wrong dose, no active ingredient, or harmful substances. Check any unfamiliar pharmacy on the GPhC register at pharmacyregulation.org before ordering. Common side effects include headache, flushing, indigestion, and nasal congestion; sildenafil must not be taken with nitrate medicines, which the consultation screens for. Report suspected side effects through the MHRA Yellow Card scheme, and contact the pharmacy's clinical team or your GP if you're unwell. This page compares prices only — it is not medical advice.

Frequently Asked Questions

Compare other treatments

Related Pages

• Is an online pharmacy legit? How to check
• Online pharmacy UK guide
• What does a private prescription cost?