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Our friendly team is available to help Monday to Friday 9:00am – 5:00pm.
If you need urgent assistance, do not use this service. Call 111, or in an emergency call 999.
Sildenafil, tadalafil, vardenafil and avanafil, prescribed online by our GPhC-registered pharmacist prescribers if suitable for you. No GP appointment needed.
Erectile dysfunction (ED) is when you regularly find it difficult to get or keep an erection firm enough for sex. It is very common and can affect men of all ages, although it becomes more likely as you get older. Occasional problems are normal and can be caused by stress, tiredness, alcohol or anxiety, but if it keeps happening it is worth getting help. ED can also be an early sign of other conditions, such as heart disease, high blood pressure or diabetes. For more on the causes, symptoms and diagnosis, see our complete guide to erectile dysfunction.
Our clinicians may recommend one of the treatment options below, depending on your symptoms, medical history, and whether the treatment is appropriate for you.
Branded options are also available: Viagra (from £28.99), Viagra Connect (from £24.99), Cialis (from £37.99), Cialis Once a Day (from £68.99) and Levitra (from £37.99). All prices include your consultation and, where needed, your prescription.
| Treatment | When to take it | How long it lasts | Price from |
|---|---|---|---|
| Sildenafil (generic Viagra) | About 1 hour before sex | 4–6 hours | £8.99 |
| Tadalafil (generic Cialis) | At least 30 minutes before sex, or a low dose every day | Up to 36 hours | £11.99 |
| Vardenafil (generic Levitra) | 25–60 minutes before sex | 4–6 hours | £16.99 |
| Spedra (Avanafil) | 15–30 minutes before sex | 6 hours | £21.99 |
Not sure which option is right for you?
Speak to your GP or our clinical team if any of the following apply. Erection problems can be an early sign of other health conditions, so it is worth getting checked even if treatment works.
ED is surrounded by misconceptions that prevent men from seeking help. Here is what the clinical evidence actually says about some of the most widely believed myths.
False. ED becomes more common with age, but it can affect men of any age. One study found that about 1 in 4 men seeking help for new erection problems were aged 40 or under. In younger men, stress and performance anxiety are common causes, but physical causes should still be checked.
While psychological factors play a role, the majority of ED cases in men over 40 have a physical component — most commonly impaired vascular function. ED is increasingly recognised as a marker of cardiovascular health. Dismissing it as "just stress" can mean missing a treatable underlying condition.
Psychology and EDPDE5 inhibitors like sildenafil and tadalafil do not cause automatic erections. They enhance the body's natural response to sexual stimulation by improving blood flow. Without arousal, they have no visible effect. They assist the erection process; they do not replace it.
What is Viagra?For most men whose heart health is stable, ED tablets are safe when prescribed after a medical assessment. They must never be taken with nitrate medicines (such as a GTN spray), nicorandil, riociguat or "poppers", and they are not suitable if you have recently had a heart attack or stroke, have unstable angina or certain types of heart failure, or very low or uncontrolled high blood pressure. Your prescriber checks for all of these during the consultation.
Erectile Dysfunction (ED) and heart diseaseED usually has physical causes, such as reduced blood flow, nerve or hormone problems, or side effects of medicines, and it is not a reflection of attraction or desire. Many men in long, happy relationships develop ED for entirely physical reasons. Treatment should be approached like any other medical condition, without shame or relationship implications.
Legitimate UK online pharmacies are registered with the General Pharmaceutical Council (GPhC), and a pharmacist reviews your medical history before anything is supplied. Access Doctor's pharmacy, Pharmadocs UK Limited, is GPhC-registered (No. 9011198), and our prescriptions are issued by GPhC-registered pharmacist prescribers. The real risk comes from websites that sell ED tablets without a consultation, which can contain the wrong dose or ingredient – always check a pharmacy's GPhC registration.
Websites that sell ED tablets without a consultationHealthy lifestyle changes can improve erections, help ED tablets work better and lower your risk of heart disease. For more ideas, see our guide to lifestyle changes for erectile dysfunction.
Aim for at least 150 minutes of moderate activity a week, such as brisk walking, cycling or swimming. Regular exercise improves blood flow and heart health, both of which matter for erections.
Smoking damages blood vessels, including those in the penis, and is one of the main avoidable causes of ED. Stopping can improve erections over time and has many other health benefits. Your GP or local stop smoking service can help.
Drinking a lot, especially before sex, makes it harder to get an erection. Try to stay within the UK low-risk guideline of no more than 14 units a week, spread over 3 or more days.
Stress, anxiety and relationship worries can cause or worsen ED, particularly in younger men. Talking therapies, including psychosexual therapy, and open conversations with your partner can help. Speak to your GP if low mood or anxiety is affecting other parts of your life.
Being overweight, type 2 diabetes and high cholesterol all affect blood vessels and are linked with ED. Losing weight if you need to, eating a balanced diet and keeping diabetes well controlled can all help.
All four ED tablets – sildenafil, tadalafil, vardenafil and avanafil – are PDE5 inhibitors. They block an enzyme called PDE5, which relaxes the blood vessels in the penis so more blood can flow in when you are sexually aroused.
ED tablets do not cause an erection on their own and do not increase your sex drive. They help your body respond normally to sexual stimulation.
Sildenafil is usually taken about an hour before sex, tadalafil at least 30 minutes before, vardenafil 25 to 60 minutes before and avanafil 15 to 30 minutes before. A heavy or high-fat meal can delay sildenafil, vardenafil and avanafil, but not tadalafil.
Sildenafil and vardenafil work for about 4 to 5 hours, avanafil for up to about 6 hours and tadalafil for up to 36 hours. Tadalafil is also available as a low dose taken every day.
No single ED tablet is best for everyone. Studies show they work about as well as each other for most men, so the right choice depends on how you want to use it and on your health. Your prescriber will consider:
If you have sex less often, an as-needed tablet such as sildenafil, vardenafil, avanafil or tadalafil 10mg or 20mg may suit you. If you expect to have sex at least twice a week, a low daily dose of tadalafil (Cialis Once a Day) may suit you, so you do not need to time a tablet around sex.
Tadalafil can work for up to 36 hours after a dose, which gives more time and spontaneity. Sildenafil, vardenafil and avanafil work for a shorter time.
Generic sildenafil, tadalafil and vardenafil contain the same active ingredients as Viagra, Cialis and Levitra and work in the same way. Generic versions usually cost less.
Some medicines and health conditions affect which ED tablet is safe for you, or the dose you need. This is why every order starts with a consultation. For a full comparison, see Viagra vs Cialis vs Levitra vs Spedra and tadalafil vs sildenafil.
There are three legal ways to get ED tablets in the UK.
1. Online, from a registered pharmacy
Complete a short online consultation. One of our GPhC-registered pharmacist prescribers reviews your answers and, if treatment is suitable, issues a prescription that our pharmacy dispenses and sends to you in plain packaging. You do not need a GP appointment.
2. From a pharmacy without a prescription
Viagra Connect 50mg, which we supply, and tadalafil 10mg sold as a pharmacy medicine elsewhere (such as Cialis Together, which we do not sell) can be supplied to men aged 18 and over after a consultation with a pharmacist. All other ED tablets need a prescription.
3. On the NHS
In England and Scotland, your GP can prescribe generic ED tablets such as sildenafil, tadalafil or vardenafil if they are suitable for you, although many areas offer sildenafil first. Branded medicines such as Viagra and Cialis are only prescribed on the NHS in limited circumstances. In Wales, NHS prescribing of ED medicines is currently limited to men who meet certain criteria, and the rules may differ in Northern Ireland.
Avoid unregulated websites
Products such as Kamagra are not licensed in the UK, and ED tablets sold without a consultation may be fake or unlicensed and can contain the wrong dose or the wrong ingredient. Always check that an online pharmacy is registered with the General Pharmaceutical Council.
Most side effects are mild and wear off as the medicine does. The most common are headache, flushing, indigestion, a blocked nose and dizziness. Sildenafil can cause a temporary blue tinge to your vision, and tadalafil can cause back pain or muscle aches.
Go to A&E straight away if you have an erection that is painful or lasts more than 2 hours. Call 999 if you get chest pain during or after sex, and tell them you have taken an ED medicine. Stop taking it and go to A&E straight away if you have sudden loss of vision or hearing.
ED tablets must never be taken with nitrate medicines (such as a GTN spray), nicorandil, riociguat or "poppers", as together they can cause a dangerous drop in blood pressure.
If ED tablets do not work or are not suitable for you, there are other options. Most are arranged through your GP or a specialist clinic.
A vacuum pump draws blood into the penis, and a ring placed at the base helps keep the erection. They are drug-free and can be used alongside other treatments.
Alprostadil can be injected into the side of the penis, inserted into the urethra as a small pellet, or applied as a cream to the tip of the penis. An injection of aviptadil with phentolamine is another option. These are usually started by a specialist, who will show you how to use them.
If stress, anxiety or relationship problems are involved, psychosexual therapy or counselling can help, on its own or alongside medicine.
If blood tests show low testosterone, treating it may improve erections and sex drive.
If other treatments have not worked, surgery to fit a penile implant may be considered.
It depends on the cause. ED tablets treat the symptoms – they help you get an erection when you need one – but they do not cure the underlying cause.
When ED is caused by something that can be changed, such as stress, a side effect of another medicine, smoking, heavy drinking or low testosterone, dealing with that cause can improve erections or resolve ED. Never stop a prescribed medicine without speaking to your doctor or prescriber first.
When ED is linked to a long-term condition such as diabetes or heart disease, it may not go away completely, but treatment can often help you have a satisfying sex life. Keeping the condition well controlled also helps.
ED tablets are not physically addictive, and you can stop taking them at any time. If your erection problems come back after stopping, speak to your prescriber or GP.
Our clinically reviewed guides explain ED and its treatments in more detail.
Understanding ED: Erectile dysfunction: causes, symptoms and treatment · ED the basics · What is erectile dysfunction? · Psychological ED · ED and diabetes · ED and heart disease
ED medicines: Sildenafil uses · What is Viagra? · Taking Viagra for the first time · Tadalafil uses · Daily tadalafil · Vardenafil (Levitra) guide · Avanafil (Spedra) guide
Comparing treatments: Viagra vs Cialis vs Levitra vs Spedra · Tadalafil vs sildenafil · Does ED treatment work?
Staying safe: Cialis drug interactions · Kamagra dangers · Stopping ED medication · Lifestyle changes for ED
Your common questions regarding erectile dysfunction
Complete a short online consultation, which takes around 5 minutes and asks about your symptoms, health and any medicines you take. One of our GPhC-registered pharmacist prescribers reviews your answers and, if treatment is suitable, issues a private prescription that our GPhC-registered pharmacy dispenses and posts to you. Most men do not need a physical examination, but the prescriber may ask for more information, such as a recent blood pressure reading. Completing a consultation does not guarantee a prescription.
We offer generic sildenafil (from £8.99), generic tadalafil (from £11.99), generic vardenafil (from £16.99) and Spedra (avanafil, from £21.99), as well as branded Viagra (from £28.99), Viagra Connect (from £24.99), Cialis (from £37.99), Cialis Once a Day (from £68.99) and Levitra (from £37.99). All are PDE5 inhibitors, which help you get an erection when you are sexually aroused. Prices include your consultation and, where needed, your prescription.
All four medicines work in a similar way and work about as well as each other for most men. The main differences are how long they last and how food affects them: sildenafil and vardenafil last about 4 to 5 hours, avanafil up to 6 hours and tadalafil up to 36 hours, and tadalafil can also be taken as a low daily dose. Food can delay sildenafil, vardenafil and avanafil, but not tadalafil. Your prescriber will consider how often you have sex, your health and your other medicines before recommending one.
Some, yes. Viagra Connect 50mg, which we supply, and tadalafil 10mg sold as a pharmacy medicine elsewhere (such as Cialis Together, which we do not sell) can be supplied to men aged 18 and over after a consultation with a pharmacist. All other ED tablets, including generic sildenafil and tadalafil, are prescription-only, and our online consultation is the route to a prescription.
Often, yes. In England and Scotland, your GP can prescribe generic ED tablets such as sildenafil, tadalafil or vardenafil if they are suitable for you, although many areas offer sildenafil first. Branded medicines such as Viagra, Cialis and Levitra are only prescribed on the NHS in limited circumstances. In Wales, NHS prescribing of ED medicines is currently limited to men who meet certain criteria, and the rules may differ in Northern Ireland, so ask your GP. NHS prescription charges apply in England unless you are exempt; prescriptions are free in Scotland, Wales and Northern Ireland.
Orders placed and approved before 3pm, Monday to Friday, are usually dispatched the same day. You can choose your delivery option at checkout, including standard UK delivery (£3.49, usually 2 to 3 working days) and a guaranteed next-day service (Royal Mail Special Delivery by 1pm, £6.99). Delivery is free on orders over £40.
Yes. Your consultation is confidential and seen only by the clinical team involved in your care. Orders are sent in plain packaging with nothing on the outside that names the medicine or says what it is for.
Yes, if you use a UK pharmacy registered with the General Pharmaceutical Council and a pharmacist reviews your medical history first. Websites that sell ED tablets without a consultation are not operating legally in the UK, and their products can contain the wrong dose or the wrong ingredient. Access Doctor's pharmacy, Pharmadocs UK Limited, is GPhC-registered (No. 9011198).
Do not take ED tablets if you use nitrate medicines (such as a GTN spray), nicorandil, riociguat or "poppers". They are also not suitable if you have been advised to avoid sex because of a heart problem, have recently had a heart attack or stroke, have unstable angina or certain types of heart failure, have very low or uncontrolled high blood pressure, have severe liver or kidney problems, have an inherited eye condition such as retinitis pigmentosa, or have ever lost sight in one eye from NAION. Some medicines, including certain HIV and antifungal treatments, also interact with ED tablets. Your prescriber will check these and other conditions before prescribing.
Common side effects include headache, flushing, indigestion, a blocked nose and dizziness. Go to A&E straight away if you have an erection that is painful or lasts more than 2 hours. Call 999 if you get chest pain during or after sex, and tell them you have taken an ED medicine. Stop taking it and go to A&E straight away if you have sudden loss of vision or hearing.
First check you have taken them correctly, at the right dose, on several occasions. If they still do not work, or are not suitable, other options include a vacuum erection device, alprostadil (as an injection, a pellet placed in the urethra or a cream), an injection of aviptadil with phentolamine, psychosexual therapy, and testosterone treatment if blood tests show low testosterone. Penile implants are an option if other treatments fail. Your prescriber or GP can advise, and you will not be charged if a medicine is not prescribed.
Yes. ED can be an early sign of heart disease, high blood pressure, diabetes or high cholesterol, because the blood vessels in the penis are small and are often affected first. See your GP for a health check, including blood pressure, blood sugar and cholesterol, especially if you also have chest pain, breathlessness or other symptoms.
No. ED tablets are not physically addictive, and you can stop taking them at any time. Some men feel more confident knowing they have them; if you feel you rely on them, talk to your prescriber or GP.
A small amount of alcohol is unlikely to cause problems. Drinking a lot can make it harder to get an erection and makes dizziness and low blood pressure more likely, so keep alcohol low when you take ED tablets.
ED tablets are not licensed to treat premED tablets are not licensed to treat premature ejaculation. If you ejaculate sooner than you would like, there are separate treatments and techniques that can help, and some men have both conditions.ature ejaculation. If you ejaculate sooner than you would like, there are separate treatments and techniques that can help, and some men have both conditions.
Yes. Impotence is an older term for erectile dysfunction. Both mean finding it difficult to get or keep an erection firm enough for sex.
Yes. First make sure you have taken it correctly, at the right dose, on at least 6 separate occasions, as it can take several attempts to work well. If it still does not work, or you get side effects, your prescriber can suggest a different dose or a different ED medicine.
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