Compare Sildenafil Brands and Generics Online UK

Sildenafil and Viagra work in exactly the same way, because the active ingredient (sildenafil citrate) is the same.

• The pharmacy must be registered with the NHS for prescription services.
• The process is designed to be as private as a GP appointment.
• Some insurers may cover online prescriptions; check your policy.
• Illegitimate products can contain harmful substances like talcum powder.
• You have the right to ask which pharmacy will dispense your order.
• Alcohol can affect the medication's effectiveness and safety.
• Choose a delivery day when you will be home to receive it.
• Services should be transparent about data retention periods.
• The standard dose is 50mg, taken approximately one hour before activity.

For most men, the effects of Sildenafil can last for up to 4-5 hours, although it can range from 2-6 hours depending on the individual.

Dosage (mg)	Price Range ($)	Cheapest ($)	Most Expensive ($)
50	10-20	8	25
100	15-30	12	35
25	8-15	7	20
200	20-40	18	45

Sildenafil can safely be used daily, if you’re intending to have sex daily, however, the effects of Sildenafil don’t accumulate if you take more in advance.

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If your treatment doesn't work we will give you a full refund on your purchase. Sildenafil citrate is the active ingredient in branded Viagra, which you can now buy as generic Sildenafil tablets from Manual. Without the famous brand name behind it, Sildenafil is still a successful treatment for erectile dysfunction and will give you the same effects as Viagra, but without the higher price tag. Sildenafil is a PDE5 enzyme inhibitor, meaning it works by allowing blood vessels to expand and relax. This increases blood flow to the penis when a man is aroused, which improves sexual performance for men with erectile dysfunction (ED). Use it only when you need it.

Product	Dosage	Quantity + Bonus	Price
Kamagra Polo	100mg	120 + 6 Pills	327.15€ 311.57€	Buy
Viagra Generic	150mg	30 + 2 Pills	72.32€ 68.88€	Buy
Kamagra Soft Tabs	100mg	120 + 6 Pills	311.78€ 296.93€	Buy
Kamagra Oral Jelly	100mg	220 + 18 Sachets	662.24€ 630.70€	Buy
Kamagra	100mg	84 + 6 Pills	264.44€ 251.85€	Buy
Viagra Generic	100mg	180 + 8 Pills	199.37€ 189.88€	Buy
Viagra Generic	100mg	10 Pills	28.91€ 27.53€	Buy
Viagra Generic	50mg	30 + 4 Pills	54.26€ 51.68€	Buy
Viagra Generic	200mg	20 Pills	61.69€ 58.75€	Buy
Viagra Generic	100mg	120 + 6 Pills	149.50€ 142.38€	Buy
Kamagra Soft Tabs	100mg	84 + 4 Pills	233.05€ 221.95€	Buy
Viagra Generic	200mg	180 + 10 Pills	277.56€ 264.34€	Buy
Kamagra	100mg	360 + 6 Pills	839.95€ 799.95€	Buy
Viagra Generic	25mg	20 Pills	37.74€ 35.94€	Buy

Sildenafil usually starts to work within 30-60 minutes. Maximum erection potential is usually after 1 hour.

Is this service regulated in the UK?

With a valid prescription, you can purchase Viagra safely at any UK pharmacy, with professional advice from the pharmacist. Trusted online providers offer online consultation with licensed doctors. You complete a medical questionnaire, a doctor reviews it, and if suitable, you receive a prescription and Viagra delivery direct to your home. Ordering online also lets you compare Viagra price options and look for offers. Never try to get Viagra without a prescription from unregulated websites.

Sildenafil: what you need to know

Counterfeit Viagra pills often contain untested or harmful ingredients. NHS prescriptions for Viagra for men are only available under specific medical conditions (e.g., diabetes-related ED, spinal cord injury). Most men will need a private prescription and pay for the blue pill themselves. Generic for Viagra ® contains Sildenafil, a doctor-trusted ingredient that is effective for treating ED, which means that it is just as effective for the treatment of erectile dysfunction as the original ED medication. Generic Viagra® is a PDE5 (phosphodiesterase type 5) inhibitor, which works by blocking the PDE5 enzyme, which in turn temporarily relaxes smooth muscle and improves blood flow to the penis during sexual stimulation.

Restricted Blood Flow Blocks Erections

While Viagra® is easily recognizable as the “little blue pill,” the generic for Viagra® comes in many different colors and shapes. Authentic pills may be white or blue, round or diamond, etc. The cost of a generic for Viagra® tablet varies based on the strength of the dose of sildenafil it contains, but generally costs anywhere from about $4 to $10 per dose, compared to $50 to $70 per dose for brand-name Viagra®. Through Hims, generic for Viagra® costs 95% less than branded Viagra®. Generic for Viagra ® contains Sildenafil, a doctor-trusted ingredient that is effective for treating ED. It’s important to remember that the pill won’t give you an automatic erection – you still need sexual stimulation to maintain a good erection. Eating a heavy meal or drinking too much alcohol before taking Sildenafil can also mean the drug is slower to take effect. It’s suggested that 80% of men who take Sildenafil achieve erections strong enough for sex.

Who is Sildenafil suitable for?

It’s effective for 82% of men.1 Find the clinically proven ED treatment that suits you best. No sildenafil 50 mg india names, no logos, no delivery fee. 4.6* from over 33,000 people like you. BSc (Hons) MBBS MRCGP AFHEA MA (Hons) AFMCP “Efficacy and Safety of Sildenafil Citrate for Treatment of Erectile Dysfunction in a Population With Associated Organic Risk Factors.” Journal of Andrology (2013). “Efficacy and Safety of Sildenafil Citrate for Treatment of Erectile Dysfunction in a Population With Associated Organic Risk Factors.” Journal of Andrology (2013).

Tarun Kumar

Answer a few simple questions to get the treatment you need. “Great service, helps me stay healthy and sexually active. Sildenafil is the active ingredient in Viagra, just without the brand name. The more cost effective way for easier erections. Clinically proven and used by millions worldwide.

Best for Click & Collect: Superdrug Online Doctor

You still need to be sexually aroused for it to work, so everything needs to be exciting. Take a pill an hour before you want to have sex. Sildenafil starts to work within 30-60 mins and maximum erection potential happens around the 1 hour mark. Sildenafil lasts for around 4 hours (sometimes longer for some men). About 40% of men have erection difficulties by age 40. In a review of 82 trials covering over 47,000 patients, Sildenafil 50mg was found to be the most effective of all other comparable medications.

• Check reputable online pharmacies licensed in the UK.
• Compare prices of sildenafil across different online stores.
• Look for verified customer reviews before purchasing.
• Ensure the website requires a valid prescription.
• Confirm discreet shipping and secure payment options.
• Verify the authenticity of the medication offered.

Hence why it's our treatment of choice here at Manual.

Payment Method	Security Level	Availability in UK	Transaction Fees
Credit/Debit Card	High	Yes	None
PayPal	Very High	Yes	2-3%
Cryptocurrency	Moderate	Limited	None
Bank Transfer	Moderate	Yes	Varies

You can order Sildenafil tablets online in minutes.

What is erectile dysfunction (ED)?

Whatever the cause, it helps for the vast majority of men. Cost-effective, most popular, on-demand dosing Hypotension (blood pressure <90/50 mmHg), recent stroke or heart attack We’ll ask you a couple of quick medical questions. Tick the boxes and a clinician will review your answers and issue you a prescription. Your selected treatment will be delivered for free, with discreet packaging and instructions on how to use it. Chat with a medical expert whenever you need. You'll just need to follow these steps: Get started by selecting your desired strength, frequency, and the number of pills.

How Long Does Sildenafil Take to Work?

Read more about the cost of generic Viagra® and brand-name Viagra® on our blog. The Generic for Viagra ® is called Sildenafil Citrate. This means that the generic form of Viagra ® will have the same therapeutic effect, but at a lower cost Yes, generic forms of Viagra® are just as safe as Viagra®. Both Viagra® and generic for Viagra® were approved by the Food and Drug Administration (FDA) to treat ED and millions of men have used Viagra® or the generic for Viagra® to treat their erectile dysfunction. Generic medications do not compromise the safety of a medication.

Is it safe to buy Viagra Online?

The cost is lower than brand name medication for many reasons, most notably because the brand name medication is no longer legally protected against competition from other manufacturers. Generic for Viagra® may not be safe for men with some pre-existing conditions or who are taking medications that may interact with the drug. If you have (or have ever had) heart problems (such as a heart attack), heart disease, irregular heartbeat, angina, chest pain, narrowing of the aortic valve, heart failure, heart surgery, pulmonary hypertension including pulmonary arterial hypertension, stroke, low blood pressure, high blood pressure, a deformed penis shape (Peyronie’s Disease), priapism (an erection that lasts for more than 4 hours), sickle cell anemia, multiple myeloma, leukemia, retinitis pigmentosa (a rare genetic eye disease), severe vision loss (such as NAION), bleeding problems, stomach ulcers, liver problems or kidney problems (such as kidney dialysis), you may be at higher risk for adverse effects. If you have any of these health conditions, or any other health condition, tell your healthcare provider. Your provider should be aware of all medical conditions, prescription drugs and over-the-counter meds that you are taking.

Understanding Your Condition

Multiple companies make generic for Viagra®, including Teva Pharmaceuticals and Greenstone, a subsidiary of Pfizer Inc. Take sildenafil (generic for Viagra®) about one hour before sexual activity, as it takes about 30 minutes to an hour to begin working. Check out our guide on how to take Viagra® for best results. If you are currently taking any over-the-counter, recreational or prescription drugs or supplements, tell your healthcare provider. Some medications, like nitroglycerin (nitrates), isosorbide dinitrate, riociguat, ritonavir, itraconazole, ketoconazole, alpha blockers and “poppers”, have well-documented drug interactions with sildenafil and could cause serious side effects. If you’re unsure, get in touch with us.

Dosage (mg)	Description	Typical Use	Price ($)
50	Standard starting dose	Mild to moderate ED	10-15
100	Higher potency	Severe ED	15-25
25	Low-dose option	For sensitive users	8-12
200	Extra high dose (rarely prescribed)	For special cases	20-30

Confirm in our questionnaire that you’re over 18, you need the medicine, and you’ll be the one using it. Declare that you don't have a history of heart disease, Peyronie's disease, high blood pressure, stomach ulcers, or other relevant medical conditions.

How does Viagra work?

If you are currently taking a PDE5 inhibitor, like Revatio for pulmonary arterial hypertension, talk to your doctor about adjusting your dosage. There are also some rare, serious side effects of sildenafil, namely an allergic reaction, loss of vision/hearing, or priapism, an erection lasting for more than four hours. Seek emergency medical attention if you experience any of these serious side effects. Learn more about the common warnings and precautions to consider before taking generic Viagra®. You can get the generic for Viagra® through an online or local pharmacy with a prescription from a licensed medical provider.

How much does Viagra cost using the NHS?

Generic for Viagra® is not available over-the-counter. To get genuine generic for Viagra®, ensure that you are seeing a healthcare provider licensed in your state and have your prescription filled by a qualified pharmacy, one that is licensed in your state and has 3rd-party accreditations like LegitScript. Stock up on your Hayfever Essentials today. Expertly formulated products made with carefully chosen ingredients Save 15% on Teeth Whitening with Spotlight Oral Care Target pain where it hurts with Biofreeze. The online doctor service can provide prescriptions for a range of common conditions, including weight loss and erectile dysfunction.

Your expert team

Service provided by SmartScripts, registered in Ireland. All content on this page has been medically reviewed by: Hassan Thwaini, Clinical Pharmacist and Copywriter, Master of Pharmacy (MPharm) on 30 March, 2026. Sildenafil is an effective treatment for erectile dysfunction. It contains the same active ingredient as branded alternatives. Sildenafil works by encouraging more blood to flow to the penis, ensuring a strong erection when you need one. If you do have any of these conditions, we’ll be unable to sell you Sildenafil.

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