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Avanafil 200 mg: The Highest UK-Licensed Strength

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Avanafil (Spedra) 200 mg is the highest licensed strength of the fast-acting PDE5 inhibitor. Avanafil is taken about 15 to 30 minutes before sex and works only with arousal. 200 mg is used when a lower dose has not been effective enough and is tolerated, not as a default. It must never be combined with nitrates. A prescriber decides whether it suits you.
Avanafil, sold as Spedra, is the most recently introduced of the PDE5 inhibitors and is known for its fast onset. It comes in three strengths, and 200 mg is the highest licensed in the UK.

This guide explains what avanafil 200 mg is, how the fast-acting medicine works, when the higher dose is used, and the safety points that matter. It draws on the UK Summary of Product Characteristics, the NHS and NICE, and is general information rather than personal advice; the right dose is a clinical decision.

What avanafil 200 mg is

Avanafil is a PDE5 inhibitor for erectile dysfunction, sold under the brand name Spedra1. It comes in 50 mg, 100 mg and 200 mg strengths, and 200 mg is the highest licensed in the UK.

It is known for its fast onset, taken a relatively short time before sex 1. The 200 mg strength is the top of its dose range, used when a lower dose has not been enough.

Like the others, it works by improving blood flow to the penis so an erection can occur with arousal 1. The strength changes the dose, not the basic way it works.

How the fast-acting medicine works

Avanafil is taken about 15 to 30 minutes before sex, which is its main practical feature 1. That relatively quick onset appeals to men who would rather act close to the moment than plan an hour ahead.

It can be taken with or without food, though a heavy, high-fat meal may slow its onset slightly, which matters more because its appeal is speed 1. A lighter stomach helps preserve the fast onset.

It works only with sexual stimulation and is taken no more than once a day1. Describing it as fast-acting is a statement about onset, not about being more effective than other PDE5 inhibitors.

When the 200 mg dose is used

The 200 mg dose is used when a lower dose (50 mg or 100 mg) has not been effective enough and is well tolerated, rather than as an automatic choice 1. Many men do well on a lower strength.

Following the principle of the lowest effective dose, a prescriber typically starts lower and steps up only if needed 13. A higher dose does not produce a stronger erection above the dose that suits you; it increases the chance of side effects.

So 200 mg should be reached through a prescriber's assessment, not by self-increasing or buying a high dose from an unverified source 1. A poor response is a reason to review, not simply to take more.

Considering treatment for erectile dysfunction? You can start an assessment with a Cloud Pharmacy clinician, who will review your medical history and confirm whether treatment is appropriate.

Side effects

The common side effects are the typical PDE5 inhibitor ones: headache, flushing, nasal congestion and sometimes back pain 1. They are usually mild, and because avanafil is shorter-acting, its side effects tend to be shorter-lived.

As with any of these medicines, side effects can be more noticeable at a higher dose, which is one reason the lowest effective dose is preferred 1. If they are troublesome, a prescriber can review the dose.

The same red flags apply: an erection lasting more than four hours, or sudden loss of vision or hearing, need emergency care 1. These are rare but important at any dose.

The safety rules

Avanafil, like all PDE5 inhibitors, must never be combined with nitrates1. Nitrates include angina medicines such as glyceryl trinitrate and isosorbide mononitrate, nicorandil, and recreational 'poppers', and the combination can dangerously lower blood pressure.

There is also caution with alpha-blockers and certain other medicines, which is why telling a prescriber everything you take matters 1. These checks apply to 200 mg just as to lower doses.

Because of these rules, avanafil is supplied after an assessment that confirms it is safe for you 13. The assessment is part of using the medicine safely.

How it compares with other PDE5 inhibitors

Avanafil sits among four PDE5 inhibitors: sildenafil, tadalafil, vardenafil and avanafil 13. Its distinguishing feature is fast onset, whereas tadalafil's is a long duration of up to about 36 hours.

The medicines are broadly similar in how well they work, so the choice between them is usually about onset, duration and how they fit your life, rather than one being far superior 3. Avanafil leads on speed.

If avanafil at 200 mg is not right, a different PDE5 inhibitor may suit better, which a prescriber can discuss 13. Trying an alternative is a normal part of finding the right fit.

Who it may suit

Avanafil may suit men who value a fast onset and being able to act close to the moment 1. The 200 mg strength specifically is for those who have found a lower dose not quite enough and tolerate it well.

It may suit less well if you would prefer a long window and not having to time things, where tadalafil is the obvious alternative 13. The decision is individual.

As always, the aim is the lowest effective dose of whichever medicine fits, reviewed over time, rather than the strongest tablet available 13. A prescriber helps match it to you.

Getting it assessed

Whether avanafil, and which strength, suits you is a clinical decision, so the right route is an assessment with a clinician who can check your health and medicines 23. 200 mg in particular should be reached this way.

Buy avanafil only from a registered pharmacy after that assessment, since unverified online sellers risk fake products 1. The assessment also confirms the safety rules, including the nitrates contraindication.

You can start an assessment with a Cloud Pharmacy clinician to discuss whether avanafil, at an appropriate strength, is right for you 23.

Getting the best from a dose

As with any ED medicine, much of how well avanafil works comes down to using it well13. Allowing the recommended 15 to 30 minutes, not taking it straight after a heavy, fatty meal, and limiting alcohol all help it work as intended.

It is also worth remembering it needs genuine arousal, so it is not an automatic switch 1. Men who expect an erection without stimulation are sometimes disappointed, which is about expectations rather than the dose.

A fair trial over a few attempts under good conditions gives a much better sense of whether a dose suits you than a single occasion 3. Several good attempts are more telling than one.

If, after a fair trial, a dose is genuinely not enough, that is a reason to review with a prescriber, who may step up the dose within safe limits or consider an alternative, rather than self-increasing 13. The aim is the lowest dose that works well.

Buying avanafil safely

Avanafil is a prescription medicine, so the safe route is an assessment followed by supply from a registered pharmacy13. The assessment checks the nitrates contraindication and the wider picture before any tablet is taken.

Avoid buying avanafil, or any ED medicine, from an unverified online seller, which skips the safety check and risks a fake product 2. Counterfeit ED medicines are common online, and the contents cannot be trusted.

Because avanafil is newer than sildenafil and tadalafil, it can sometimes cost more, but a prescriber can discuss whether it is the right choice or whether another PDE5 inhibitor suits you better 3. The decision balances onset, duration, suitability and cost.

You can start an assessment with a Cloud Pharmacy clinician to decide whether avanafil, at an appropriate strength, is right for you, and to get a genuine product safely 23.

A quick recap

In short: avanafil 200 mg is the highest UK-licensed strength of the fast-acting PDE5 inhibitor Spedra, used when a lower dose has not been enough and is tolerated 1. It is not a default, and a higher dose does not mean a stronger erection.

Its appeal is fast onset, around 15 to 30 minutes, which suits men who would rather act close to the moment than plan ahead 1. On effectiveness it is broadly similar to the other PDE5 inhibitors.

The usual rules apply, including the absolute nitrates contraindication and alpha-blocker caution, which is why it is supplied after an assessment 13. The aim is the lowest effective dose of whichever medicine fits your life.

Frequently asked questions

What is avanafil 200 mg?

It is the highest UK-licensed strength of avanafil (Spedra), a fast-acting PDE5 inhibitor for erectile dysfunction taken about 15 to 30 minutes before sex 1. It works only with arousal.

When is the 200 mg dose used?

When a lower dose (50 mg or 100 mg) has not been effective enough and is tolerated, rather than as a default 1. A higher dose does not give a stronger erection above the dose that suits you; it raises the chance of side effects.

How fast does it work?

Avanafil is taken about 15 to 30 minutes before sex, which is its main feature 1. A heavy, high-fat meal can slow its onset, so a lighter stomach helps; fast onset does not mean more effective.

Can I take it with nitrates?

No, never. Avanafil must never be combined with nitrates, nicorandil or 'poppers', as this can cause a dangerous drop in blood pressure 1. There is also caution with alpha-blockers.

How does it compare with Viagra or Cialis?

All are PDE5 inhibitors of broadly similar effectiveness; avanafil's feature is fast onset, while tadalafil lasts up to about 36 hours 13. The choice is about onset, duration and fit.

Do I need an assessment for 200 mg?

Yes. Whether avanafil and which strength suit you is a clinical decision after an assessment that checks your health and medicines 23. Buy only from a registered pharmacy.

Your next step

Avanafil 200 mg is the highest UK-licensed strength of Spedra, the fast-acting PDE5 inhibitor taken about 15 to 30 minutes before sex. It works only with sexual arousal and no more than once a day, and its appeal is speed of onset rather than being more effective than the other PDE5 inhibitors.

The 200 mg dose is used when a lower strength has not been effective enough and is well tolerated, not as a default, because above the dose that suits you a higher dose does not give a stronger erection and only raises the chance of side effects. So it should be reached through a prescriber's assessment rather than self-increasing or buying a high dose elsewhere.

The usual safety rules apply, including the absolute contraindication with nitrates and caution with alpha-blockers. You can start an assessment with a Cloud Pharmacy clinician to discuss whether avanafil, at an appropriate strength, is right for you, and buy it only from a registered pharmacy.

If fast onset is what you value, avanafil is a strong option, and the 200 mg strength is there for the men who genuinely need it after a fair trial of a lower dose. But it is one of four PDE5 inhibitors, so if it does not suit, a prescriber can help you find the medicine and dose that fit your life best, balancing onset, duration, suitability and cost.

Used well, taken with the recommended lead time, on a lighter stomach, with limited alcohol and with genuine arousal, avanafil works reliably for many men. Getting it from a registered pharmacy after an assessment is what makes it both safe and effective, and gives you a clinician to turn to if the first dose is not quite right. That combination of the right medicine, the right dose and a safe source is what really makes the difference between a frustrating experience and a reliable one that you can genuinely depend on.

Disclaimer

This guide is for general information only and does not constitute medical advice, diagnosis or treatment. The information here describes general clinical context based on UK regulatory sources cited above; it is not a recommendation for any specific medicine or treatment, which can only be made by a prescriber following individual assessment.

If you are considering treatment, speak to your GP or pharmacist, or arrange a consultation with a Cloud Pharmacy clinician. Prescription-only medicines are issued only after clinical assessment and where appropriate.

If you experience side effects from any medicine, you can report them through the Yellow Card scheme at yellowcard.mhra.gov.uk.

References

  1. Spedra (avanafil) 200 mg SmPC 4.1/4.2/4.4/4.5/4.8 (PDE5 inhibitor; strengths 50/100/200 mg; 200 mg highest; taken ~15-30 min before sex; fast onset; with or without food, high-fat meal may slow onset; works only with stimulation; max once/day; use lowest effective dose, step up only if needed/tolerated; more than effective dose does not improve effect; headache/flushing/nasal/back pain side effects, more likely at higher dose; nitrates absolute contraindication; alpha-blocker caution; priapism/vision/hearing red flags)
  2. Erectile dysfunction (PDE5 inhibitor options incl. avanafil; assessment; tell prescriber all medicines; treatment from registered pharmacy)
  3. NICE CKS erectile dysfunction (PDE5 inhibitors broadly similar efficacy; choice on onset/duration/preference; lowest effective dose; assessment; alternatives)

Author Information

All of our medication and condition content is written by UK qualified pharmacists and doctors.

Anna Wedderburn

Authored by

Anna Wedderburn

Clinical Director

Nazmul Kadir

Reviewed by

Nazmul Kadir

Director & Superintendent Pharmacist

GPhC Number: 2215377

Review Date16 June 2026
Next Review16 June 2027
Published on16 June 2026
Last Update16 June 2026

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Anna Wedderburn

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