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Erectile Dysfunction Sildenafil Tablets
Sildenafil Generic Tablets (Viagra Alternative)

Why choose Medicina
Pharmacy?

  • MHRA-approved medication
  • UK-registered pharmacy (GPhC regulated)
  • UK-registered pharmacy (GPhC regulated)
  • Discreet packaging and confidential service

Sildenafil Tablets: 25mg, 50mg & 100mg

Buy sildenafil tablets online in the UK from Medicina Pharmacy, a GPhC-registered online pharmacy. Sildenafil tablets are a clinically proven treatment for erectile dysfunction, available in 25mg, 50mg and 100mg strengths from £{price_per_tablet} per tablet. Order sildenafil online after a short online consultation — a UK-registered prescriber reviews every order, your private prescription is free, and your tablets arrive in discreet, plain packaging with next-day delivery available.

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Not sure which strength is right for you? Your prescriber will confirm the most suitable dosage during the consultation.

£1.41 per tablet
£2.82

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How it works

  • Complete a quick online medical consultation.
  • A UK-registered prescriber reviews your information.
  • Your medication is dispensed by our pharmacy and delivered discreetly.
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Buy Sildenafil Tablets Online in the UK

You can buy sildenafil tablets online from Medicina Pharmacy without visiting a clinic. Complete a short online consultation and, if sildenafil is suitable, a UK-registered prescriber approves your order and our pharmacy dispenses it the same day. Buying sildenafil online is completely confidential, and the free private prescription is already included in the price. If you first want to compare it with the branded option, read about generic sildenafil as a Viagra alternative before you order.

Sildenafil Tablet Strengths: 25mg, 50mg and 100mg

Sildenafil tablets come in three strengths so treatment can be matched to you. 50mg is the usual starting dose for most men; 25mg suits those who are more sensitive or take interacting medicines; 100mg is the maximum single dose, used when a lower strength has not worked well enough. Your prescriber confirms the right strength during the consultation.

Strength Typically for Order this strength
Sildenafil 25mg Lower / starting dose; more sensitive users Sildenafil 25mg
Sildenafil 50mg Standard starting dose for most men Sildenafil 50mg
Sildenafil 50mg Maximum single dose when 50mg is not enough Sildenafil 100mg

How to Order Sildenafil Online

  • Complete a quick, confidential online consultation about your health
  • A UK-registered prescriber reviews your answers to confirm sildenafil is safe for you.
  • Your sildenafil tablets are dispensed by our pharmacy and delivered discreetly — order sildenafil UK with next-day delivery available.

How Sildenafil Tablets Work

Sildenafil is a PDE5 inhibitor. It increases blood flow to the penis so you can get and keep an erection when you are sexually aroused. Sildenafil tablets usually start working within 30 to 60 minutes and the effect can last up to 4 hours — see how long sildenafil lasts for more detail. Sexual stimulation is still needed for sildenafil to work.

How to Take Sildenafil Tablets

Take one sildenafil tablet with water about 30 to 60 minutes before sex. Do not take more than one tablet in any 24 hours. A heavy or high-fat meal, or too much alcohol, can delay how quickly sildenafil works. For full guidance on doses and timing, see our sildenafil dosage guide.

Sildenafil Side Effects & Safety

Most men tolerate sildenafil well. Common side effects are usually mild and can include headache, flushing, indigestion and a blocked nose. Stop and seek urgent medical help if you have chest pain, sudden vision changes, or an erection lasting more than 4 hours. Read more about sildenafil side effects before you order.

Who Can Order Sildenafil Tablets

Sildenafil is suitable for most adult men with erectile dysfunction, but not for everyone. Do not take sildenafil with nitrates or riociguat, and tell the prescriber about any heart conditions or other medicines you take. The online consultation checks all of this for you — you can also read when sildenafil may not be suitable.

Why Order Sildenafil from Medicina Pharmacy

  • UK-registered pharmacy (GPhC regulated) — GPhC premises 9011553.
  • MHRA-approved medication, dispensed by our own pharmacy
  • Every order reviewed by a UK-registered prescriber.
  • Discreet, plain packaging with next-day delivery available.
  • Free private prescription and a lowest-price guarantee.
  • Trusted by 4,000+ customers for our service and delivery.

Start Your Online Consultation (closing CTA)

Ready to order? Start your online consultation and our medical team will show you the sildenafil tablets you are eligible for.

FAQs (buying-focused)

How much do sildenafil tablets cost in the UK?

Generic sildenafil tablets start from £{price_per_tablet} per tablet at Medicina Pharmacy, far less than branded Viagra. The price depends on the strength (25mg, 50mg or 100mg) and pack size you choose. Every order includes a free private prescription and our lowest-price guarantee.

Can I buy sildenafil tablets online in the UK?

Yes. You can buy sildenafil tablets online from Medicina Pharmacy, a GPhC-registered pharmacy. Complete a short online consultation, and if sildenafil is suitable a UK-registered prescriber approves your order. Your tablets are then dispensed and delivered discreetly, with next-day delivery available.

Do I need a prescription to order sildenafil?

Sildenafil is a prescription-only medicine in the UK, so a prescription is required. You do not need to see your own GP — a UK-registered prescriber reviews your online consultation and, if suitable, issues a free private prescription so your order can be dispensed.

How quickly will my sildenafil tablets be delivered?

Once your order is approved by the prescriber, your sildenafil tablets are dispensed by our pharmacy and sent in discreet, plain packaging. Next-day delivery is available on orders placed before the daily cut-off. Delivery times are confirmed during checkout.

Which sildenafil strength should I order?

Sildenafil comes in 25mg, 50mg and 100mg. 50mg is the usual starting dose for most men, 25mg suits those who are more sensitive, and 100mg is the maximum single dose if a lower strength has not worked. Your prescriber confirms the right strength for you.

Is generic sildenafil the same as Viagra?

Sildenafil is the active ingredient in Viagra, so generic sildenafil contains the same medicine at the same strengths and works the same way — it simply costs less. You can read more on our generic sildenafil (Viagra alternative) page before you order.

Can I order sildenafil without seeing a doctor face to face?

Yes. The whole process is online. You complete a confidential health questionnaire, a UK-registered prescriber reviews it, and if sildenafil is safe and suitable your order is approved — no face-to-face appointment is needed at any point.

Byline, review & disclaimer (visible on page)

Author: Mr. Saleh Ahmed — Independent Prescriber & Advanced Practitioner (GPhC 2065382). Reviewed by: Yasmeen Akthar — Superintendent Pharmacist (GPhC 2058731); Mr. Mohammed Shajan Ali — Independent Prescriber (GPhC 2067785).

Last reviewed: July 2026.

Disclaimer

This page concerns a prescription-only medicine supplied following an online consultation with a UK-registered pharmacy. It is not a substitute for personal medical advice. Sildenafil is supplied only if a prescriber judges it suitable. Information is provided in line with NHS guidance (nhs.uk/medicines/sildenafil-viagra).

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