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Complete a short online consultation. No waiting rooms or queues.
Men who take Sildenafil are 3.6x more likely to experience improved erections
UK registered pharmacy
UK licensed treatments
Trusted by over 1.5 million people
Sildenafil information
Sildenafil is the generic version of the Viagra®, the most well known treatment for erectile dysfunction (ED).
Sildenafil is an effective, modern medicine used to treat erectile dysfunction (ED). When you take Sildenafil you may be able to:
- Improve your ability to get and maintain an erection
- Be more confident in your ability to get and maintain an erection
- Be satisfied with the hardness of your erections
Sildenafil is effective at treating erectile dysfunction in the
majority of men (at least 80% of men). It may have less of an
effect with ED caused by psychological factors, and may not work
if taken alongside a heavy meal or other drugs. If you aren’t
getting the results you want please contact us.
Sildenafil is the active ingredient in Viagra®, and it’s also
available as a generic, unbranded tablet. Both treatments are
medically identical, but Viagra® costs more because of the
premium brand name.
Sildenafil can last up to 6 hours, with peak effects in 2
hours. This will depend on factors including your dosage and
your body’s metabolism.
Take one pill about an hour before you plan to have sex.
Swallow the tablet whole with water. It’s important to take it
without food, as the fat in your meal can make it less
effective. You should also avoid drinking too much alcohol, as
this can counteract the benefits. If you take any other
medications, check with your GP before taking sildenafil to make
sure they don’t interact with your pill.
Sildenafil is available in three doses: 50mg, 25mg and 100mg.
50mg
The usual starting dose for most men trying sildenafil for the first time.
The usual starting dose for most men trying sildenafil for the first time.
25mg
A lower dose if 50mg works for you but causes side effects.
A lower dose if 50mg works for you but causes side effects.
100mg
A higher dose if 50mg isn’t effective enough.
A higher dose if 50mg isn’t effective enough.
The most common side effects of Sildenafil are: headaches,
muscle aches, back pain, flushing and indigestion. In most
cases, these settle after an hour. Please speak with your GP or
pharmacist if you experience any side effects for a prolonged
period of time.
Always read the patient information leaflet before starting treatment.View patient information leaflet
85,000+ verified customer reviews
“5 stars”
Very easy to find the medication best suited to your needs by answering a few questions. Fast and discreet delivery.
“I’m over the moon”
The site is user friendly, easy to navigate, the discreet and professional treatment plans, and delivery never been late. Very happy to use MedExpress and I do recommend to others.
“Excellent service, quick and discreet”
Works well for me. Has given my confidence back
“More like my younger self”
This has definitely made a difference to my life and with my treatment I am able to be more like my younger self, a heartfelt thank you ☺️ I will be using this service again,
“Easy to use and fast shipping”
Great range including generic meds. Easy to use website and fast shipping. Useful guides and info too.
“I am so confident in MedExpress”
When l needed some help with ED problems l wasn’t really keen on speaking to my GP face to face and that’s when l found MedExpress.
“It’s all been so easy”
Well I was pleasantly surprised at the simplicity of use and level of service, it’s all been so easy, they are as good as I could wish for.
“Very good speedy service!”
The generic Viagra is a good replacement for the more expensive Viagra.
“So simple”
It’s so easy, you just answer a few questions, and hey presto you have what you need so simple. Thanks, MedExpress
“Simply great prices, products and service”
I have been using MedExpress online pharmacy for several years. Mainly for ED products. Their standard prices have always been very good and from time to time they send an email with special discounts. Orders have always arrived in a few days, well packed. Simply cannot fault them - just what on line shopping should be like
“What’s not to like?”
Excellent service all round, easy to use order system and next day delivery...what’s not to like?
“Effective product, excellent service”
Effective product without side effects with excellent service from MedExpress
Sildenafil facts
Time to feel the effect
30–60 mins
Effect lasts for
Up to 6 hours
Available strengths
25mg, 50mg, 100mg
Active ingredient
Sildenafil citrate
Branded equivalent
How it works
Step 2
Choose your treatment
Our qualified clinicians review your information and recommend treatment if it’s right for you.
Step 3
Get your treatment delivered
If prescribed, your treatment will arrive directly to you in discreet packaging.
Express delivery
Royal Mail 1st Class£2.90
Usually delivered the next working day
Special Delivery 1pm£5.95
Guaranteed next working day by 1pm
Special Delivery 9am£13.95
Guaranteed next working day by 9am
Post Office Collection£3.95
Usually collection next working day
Why people choose MedExpress
- No waiting rooms or queues
- Delivered in discreet packaging, or collect when it suits you
- No subscriptions, just order when you need to
Backed by our experienced UK-based medical team
Dr. Bryony Henderson
Dr. Bryony Henderson is Medical Director for MedExpress UK, bringing extensive experience in clinical operations, governance and digital health. She has previously held roles dedicated to delivering safe, scalable care across well-known brands. She is a recognised clinical voice contributing to award-winning campaigns, publishing on health inequalities, and appearing across national media. Here, Bryony leads clinical governance and quality, supporting the delivery of safe, innovative and accessible healthcare.
Adedayo Titiloye
Adedayo Titiloye is Superintendent Pharmacist responsible for the safe and compliant delivery of pharmacy services across MedExpress. He brings experience across community pharmacy and regional operations, including leadership roles within one of the UK’s largest independent pharmacy groups. Here, Ade focuses on building high-performing teams, improving processes and ensuring pharmacy services deliver safe, effective care at scale.
Dr. Carla Rodrigues
Dr. Carla Rodrigues is Head of Medical Operations at MedExpress, having previously held leadership roles in primary care networks and across well-known healthcare organisations, and has led scientific society groups in the field of sexual medicine. She has also completed training with MIT, Harvard and INSEAD. At HeliosX, Carla leads medical operations in the UK, overseeing the delivery of safe care pathways and upholding high standards in prescribing and clinical governance.
Dr. Kavir Matharu
Dr. Kavir Matharu is a GP Lead at MedExpress, with 10 years’ experience across a range of healthcare settings. She is a practising GP with a background in complex healthcare consulting, having worked on high-level strategic and operational challenges within the health system. She was also selected for a leadership fellowship with the National Medical Director at NHS England. Kavir has a strong interest in healthcare leadership and system improvement, with a focus on high-quality, sustainable care.
Dr. Daryl Perera
Dr. Daryl Perera is a GP Lead at MedExpress, with experience across NHS primary care, urgent care and private practice. He has extensive experience in digital healthcare and clinical leadership, and oversees clinical governance and patient safety across our digital health services. His work spans urgent care and preventative medicine, with particular interests in men’s health, obesity management, and sport and exercise medicine. Daryl has worked across a range of NHS and private healthcare organisations and previously held a GP Director role.
Dr. Sophie Dix
Head of Medical Affairs
BSc (Hons), MSc, PhD
Dr. Sophie Dix is Head of Medical Affairs at MedExpress and a behavioural neuroscientist with over 25 years’ experience across the pharmaceutical industry, charity sector and health technology. Her work has focused on understanding how to manage and treat conditions affecting both mind and body, bringing together scientific insight with real-world care. Sophie is passionate about evidence and ensuring people have access to the right treatment at the right time.
Dr. Zoe Lees
Medical Writer
BSc (Hons), MSc, PhD
Dr. Zoe Lees is a Medical Writer at MedExpress, specialising in clear, evidence-based health communications. She completed her postgraduate research at the University of Glasgow, focusing on metabolic complications of pregnancy and the role of adipose tissue function. Zoe brings a strong scientific foundation to her work and is committed to delivering content that is both accurate and accessible, grounded in robust research.
Dr. Adam Abbs
Dr. Adam Abbs is Medical Director, International at MedExpress responsible for expanding the company into new markets. He has extensive experience in asynchronous and video consultations, technology-enabled remote examinations and home biomarker testing, with a particular interest in educating both patients and doctors. Adam is a published author and is licensed to practice medicine in the UK and across the EU, and is registered in Canada.
Liyya Patel
Liyya Patel is Deputy Chief Pharmacist at MedExpress UK, with over 10 years’ experience supporting the organisation’s growth and development. She is responsible for ensuring pharmacy services are safe, compliant and meet all regulatory standards, playing a key role in maintaining high-quality clinical care. Liyya previously worked in high-volume community pharmacy settings in Central London and is a qualified pharmacist and independent prescriber.
Dr. Olivia de Rougemont
Dr. Olivia de Rougemont is a GP Lead at MedExpress with over 12 years’ experience across the NHS and private sectors. She has extensive experience in digital and in-person care, with a particular interest in women’s health, preventative medicine, and delivering patient-centred support that feels clear and accessible. Olivia also leads and mentors GPs, and brings a global perspective shaped by her experience working across different healthcare systems.
Sildenafil prices
Answer a short consultation and, if suitable, choose your treatment and delivery option. Prices include prescription and standard delivery.
| Quantity | Price from |
|---|---|
| 4 tablets | £9.99 £2.50 a tablet |
| 8 tablets | £19.99 £2.50 a tablet |
| 12 tablets | £25.99 £2.17 a tablet |
| 16 tablets | £32.99 £2.07 a tablet |
| 24 tablets | £46.99 £1.96 a tablet |
| 28 tablets | £52.99 £1.90 a tablet |
| 32 tablets | £57.99 £1.82 a tablet |
| 64 tablets | £109.99 £1.72 a tablet |
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