Sildenafil 50mg: Frequently Asked Questions

Sildenafil 50mg is the standard starting dose for treating erectile dysfunction in the UK. This comprehensive FAQ guide covers essential information about dosage, safety, and what to expect from treatment. Our UK-licensed prescribers are available for online consultations, offering both generic sildenafil and branded Viagra options to suit your needs and budget.

  • Standard 50mg starting dose suitable for most men
  • Take 30-60 minutes before planned sexual activity
  • Effects typically last 4-6 hours when sexually aroused
  • Available as generic sildenafil or branded Viagra
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Not sure which one? Here's the honest comparison.

Sildenafil
~60 min
~4 hrs
you like to plan ahead
Tadalafil (as-needed)Most prescribed
~30 min
up to 36 hrs
you want a whole weekend covered
Tadalafil Daily
always active
continuous
you never want to think about timing
Vardenafil
~15–30 min
~8 hrs
you want the fastest onset

How ED treatment works in your body.

Increases blood flow

Increases blood flow

When PDE5 is suppressed, blood is able to flow more freely through the body—including to the (you guessed it) penis.

Increase erections

Increase erections

More blood flow to the penis means harder, more satisfying erections once you're sexually stimulated.

Essential Information About Sildenafil 50mg Treatment

How Sildenafil 50mg Works for Erectile Dysfunction

Sildenafil 50mg is a PDE5 inhibitor that may help improve blood flow to the penis when sexually aroused. The medication blocks the phosphodiesterase type 5 enzyme, which can enhance the natural erectile response. It's important to understand that sildenafil does not cause automatic erections - sexual stimulation is still required for the medication to be effective.

Dosage Guidelines and Timing

The recommended starting dose is typically 50mg, taken approximately 30-60 minutes before sexual activity. Depending on effectiveness and tolerability, your prescriber may adjust the dose to 25mg or increase to 100mg. Only one dose should be taken within a 24-hour period. Food, particularly fatty meals, may delay the medication's onset of action.

Choosing Between Generic Sildenafil and Branded Viagra

EverydayMeds offers both generic sildenafil and branded Viagra at checkout, allowing you to choose the option that best suits your preferences and budget. Both contain the same active ingredient - sildenafil citrate - and work in exactly the same way. The generic version typically costs less whilst providing equivalent effectiveness to the branded alternative.

Safety Considerations and Contraindications

Sildenafil 50mg is not suitable for everyone. Men taking nitrates (such as GTN spray), those with severe heart conditions, recent heart attacks or strokes, or severe liver problems should not take this medication. A thorough clinical assessment with our UK-licensed prescribers helps ensure the treatment is appropriate for your individual circumstances and medical history.

What to Expect During Treatment

Effects typically begin within 30-60 minutes and may last up to 4-6 hours when sexually aroused. This doesn't mean an erection will last this entire duration - rather, it's the window during which the medication may help you achieve and maintain erections when sexually stimulated. Most men find 50mg effective, though individual responses can vary.

What you need to know about erectile dysfunction

It's one of the most common conditions we treat, and one of the most treatable.

What is Erectile Dysfunction?
ED means finding it hard to get or keep an erection firm enough for sex. It's not unusual to have an off night; the point at which it's worth doing something is when it's happening regularly, or when it's starting to bother you.
How will I feel when I take ED medication?
For most men, nothing feels different day to day. The medication works in the background — when you're sexually aroused, it helps blood flow where it's needed, so erections come more easily and last longer. It doesn't cause arousal on its own. Some men notice mild, short-lived effects like a headache, facial flushing or a stuffy nose, which usually pass as the dose wears off.
Why do I need a prescription for ED medication?
ED treatments are prescription-only medicines in the UK because they aren't suitable for everyone — for example, alongside certain heart conditions or medications like nitrates. That's why we ask you to complete a short online consultation first. A UK-registered prescriber reviews your answers to make sure your chosen treatment is safe and right for you before it's dispensed.
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Frequently asked questions