Avanafil 200 Mg: The Highest UK-Licensed Strength - Guide | Cured Pharmacy

Avanafil 200 Mg: The Highest UK-Licensed Strength

Spedra (Avanafil) Tablets

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Spedra (Avanafil) Tablets

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Tarun Kumar, Prescribing Pharmacist at Cured Pharmacy

Medically reviewed by

Tarun Kumar, Prescribing Pharmacist (GPhC 2233073)

Reviewed on: 17 June 2026

Last Updated: 12 August 2026

If you have been searching for a faster-acting, well-tolerated erectile dysfunction treatment, Avanafil 200 mg may be exactly what your prescriber has in mind. As the highest available dose of the active ingredient found in Spedra, this tablet is designed for men who need a reliable, rapid solution that fits naturally around intimacy rather than demanding careful planning hours in advance.

Quick Summary

Avanafil 200 mg is the maximum licensed dose of the PDE5 inhibitor sold under the brand name Spedra in the UK. It is prescribed to men whose erectile dysfunction has not responded adequately to lower doses, and it stands out for its unusually fast onset of action — often working within 15 to 30 minutes.

  • Avanafil belongs to the PDE5 inhibitor class, the same family as sildenafil and tadalafil
  • The 200 mg strength is the highest licensed dose and is used when 100 mg is insufficient
  • Effects can begin in as little as 15 minutes and last up to six hours
  • It has a favourable side effect profile compared to older ED medications
  • A valid UK prescription is required — available online through registered pharmacies like Cured Pharmacy

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Table of Contents

  1. What Is Avanafil 200 mg and How Does It Work?
  2. Who Is Avanafil 200 mg Suitable For?
  3. How to Take Avanafil 200 mg Correctly
  4. Side Effects and Safety Considerations
  5. How Avanafil Compares to Other PDE5 Inhibitors
  6. Buying Avanafil 200 mg Safely in the UK
  7. Avanafil Dosage Comparison Table
  8. Key Takeaways
  9. When to Seek Professional Advice
  10. Scientific References
  11. Frequently Asked Questions

What Is Avanafil 200 mg and How Does It Work?

Avanafil is a second-generation phosphodiesterase type 5 (PDE5) inhibitor developed specifically to address erectile dysfunction with a faster onset and improved tolerability profile compared to earlier treatments. It is marketed in the UK as Spedra and is available in three strengths: 50 mg, 100 mg, and 200 mg. The 200 mg dose represents the ceiling of what is currently licensed for use in the UK, and it is reserved for men who require a stronger therapeutic effect.

When a man becomes sexually aroused, the body releases nitric oxide into the penile tissue. This chemical triggers the production of cyclic guanosine monophosphate (cGMP), which relaxes the smooth muscle walls of blood vessels in the penis, allowing blood to flow in and create an erection. PDE5 is an enzyme that breaks down cGMP, effectively ending the erection prematurely or preventing one from forming. Avanafil 200 mg works by selectively inhibiting PDE5, which means cGMP is preserved for longer, enabling a sustained, natural erection in response to sexual stimulation.

What makes avanafil particularly valuable is its selectivity for PDE5 over related enzymes such as PDE6 (found in retinal tissue) and PDE11 (found in the testes and heart). This selectivity is one of the key reasons why avanafil tends to produce fewer visual disturbances and muscle aches compared to sildenafil and tadalafil. In 2026, avanafil continues to be regarded by UK prescribers as one of the most precise and well-tolerated options within the PDE5 inhibitor class.

  • Avanafil targets PDE5 selectively, reducing off-target side effects
  • It requires sexual stimulation to work — it is not an aphrodisiac
  • The mechanism preserves the natural erectile process rather than overriding it
  • Its rapid absorption means onset can begin within 15 minutes at the 200 mg dose

Who Is Avanafil 200 mg Suitable For?

The 200 mg dose is not the starting point for most men. Prescribers typically begin with the 100 mg dose and escalate to 200 mg if the lower dose has not produced an adequate response after a reasonable trial period. Men who may be prescribed this highest strength include those with moderate to severe erectile dysfunction, those who find lower doses unpredictable, and those whose psychological burden from ED requires a more reliable outcome to restore confidence.

Avanafil is suitable for adult men aged 18 and over who have a clinical diagnosis of erectile dysfunction. It is appropriate for men with diabetes-related ED, those who have had prostate surgery, and those whose ED has a psychological component. However, a thorough medical assessment must always precede prescribing, as several conditions and medications render avanafil unsafe.

Men who are looking for an alternative to Cialis Together 10mg (Tadalafil) tablets — particularly those who find the longer duration of tadalafil's action unnecessary — often find avanafil appealing due to its shorter, more controlled activity window combined with rapid onset.

  • Suitable for men with inadequate response to 100 mg avanafil
  • Appropriate for diabetes-related and post-surgical ED
  • Not suitable for men taking nitrates in any form
  • Not recommended for men with severe hepatic impairment or unstable cardiovascular disease
  • Requires a valid prescription from a registered UK prescriber

How to Take Avanafil 200 mg Correctly

Taking avanafil correctly is essential not only for safety but for getting the best possible outcome from the medication. The tablet should be swallowed whole with a glass of water, approximately 15 to 30 minutes before sexual activity is anticipated. Unlike sildenafil, which is more sensitive to the presence of food in the stomach, avanafil can be taken with or without a meal, although a high-fat meal may slightly delay absorption and slow the onset of action.

Only one tablet should be taken per 24-hour period. Do not attempt to split the dose or take an additional tablet if you feel the first has not worked sufficiently — this significantly increases the risk of adverse effects. If 200 mg continues to show limited effectiveness after several properly conducted attempts, this should be discussed with your prescriber rather than increasing your own intake.

Consistency in how you take the medication also matters. Taking it under similar conditions each time — similar meal timing, similar stress levels, and in a relaxed setting — helps you judge its true effectiveness accurately. Many men underestimate the role of anxiety in ED, and feeling confident about your medication plays a meaningful part in its success.

  • Take 15–30 minutes before anticipated sexual activity
  • Maximum one tablet every 24 hours
  • Avoid high-fat meals immediately before taking the tablet
  • Alcohol should be limited to no more than three units
  • Do not crush, chew, or split the tablet
  • Sexual stimulation is required for the medication to work

Side Effects and Safety Considerations of Avanafil 200 mg

Every prescription medication carries a risk of side effects, and avanafil is no exception. The good news is that clinical trial data consistently demonstrates that avanafil produces fewer and less severe side effects compared to older PDE5 inhibitors. This is largely due to its improved selectivity profile. That said, men should be aware of what to expect and when to seek medical attention.

The most frequently reported side effects with the 200 mg dose include headache, facial flushing, nasal congestion, and back pain. These are typically mild, self-limiting, and resolve within a few hours. Headaches are the most common complaint and are usually managed with a standard over-the-counter painkiller if needed. Flushing tends to be less pronounced with avanafil than with sildenafil.

Serious adverse events are rare but important to recognise. These include a sudden drop in blood pressure (particularly if avanafil is taken alongside nitrates or alpha-blockers), priapism (a prolonged, painful erection lasting more than four hours), sudden vision changes, and sudden hearing loss. Any of these symptoms requires immediate medical attention. Men with pre-existing cardiovascular conditions should undergo a formal cardiovascular risk assessment before starting any ED medication.

  • Common: headache, flushing, nasal congestion, back pain
  • Less common: dizziness, gastrointestinal upset, palpitations
  • Rare but serious: priapism, sudden vision or hearing changes, severe hypotension
  • Absolutely contraindicated with nitrates (including recreational poppers)
  • Use with caution alongside alpha-blockers — prescriber guidance essential

How Avanafil Compares to Other PDE5 Inhibitors

The UK market for PDE5 inhibitors offers men four approved options: sildenafil (Viagra), tadalafil (Cialis), vardenafil (Levitra), and avanafil (Spedra). Each has a distinct pharmacological profile, and understanding the differences helps men and their prescribers choose the most appropriate treatment for their lifestyle and needs.

Sildenafil is the most widely prescribed ED medication in the UK and is available generically at very low cost. However, it requires a 30 to 60-minute lead time before activity and is more susceptible to food and alcohol interactions. Tadalafil offers a much longer duration of action — up to 36 hours — which appeals to men who want spontaneity without a narrow time window. Vardenafil has a similar profile to sildenafil but with slightly more pronounced cardiovascular caution. Avanafil distinguishes itself through its speed of onset (as fast as 15 minutes at the 200 mg dose), its reduced interaction with food, and its higher selectivity for PDE5, which translates into fewer unwanted side effects.

For men who have tried other treatments and found them either too slow, too unpredictable with food, or associated with uncomfortable side effects such as visual disturbances or severe muscle aches, avanafil at the 200 mg dose often represents a meaningful upgrade in their treatment experience.

  • Faster onset than sildenafil, vardenafil, and standard tadalafil
  • Less affected by food than sildenafil
  • Fewer visual side effects due to higher PDE6 selectivity
  • Duration of 4–6 hours — shorter than tadalafil but more focused
  • Generally well tolerated even in older men and those with diabetes

Buying Avanafil 200 mg Safely in the UK

In the UK, avanafil is a prescription-only medicine (POM), which means it cannot be purchased legally without a valid prescription issued by a registered prescriber. Buying ED medication from unlicensed online sources is not only illegal but genuinely dangerous — counterfeit tablets frequently contain incorrect doses of active ingredients, harmful adulterants, or nothing therapeutically useful at all. The Medicines and Healthcare products Regulatory Agency (MHRA) has repeatedly warned against purchasing prescription medicines from unverified websites.

The safest and most convenient legal route for most men in the UK is to use an online pharmacy registered with the General Pharmaceutical Council (GPhC). These services allow you to complete a short medical questionnaire, which is reviewed by a qualified prescriber. If avanafil is appropriate for you, a prescription is issued and the medication is dispensed and delivered in discreet packaging. This removes the need for an uncomfortable face-to-face GP appointment for a condition that many men find difficult to discuss openly.

Cured Pharmacy operates as a fully GPhC-registered online pharmacy with UK-based prescribing pharmacists reviewing every consultation. All prescriptions are issued following a clinical assessment, and treatments are dispatched in discreet, unbranded packaging. You can browse the full range of erectile dysfunction treatments at Cured Pharmacy to find the right option for your needs, including Spedra at the 50 mg, 100 mg, and 200 mg strengths.

  • Only buy from GPhC-registered online pharmacies in the UK
  • Look for the MHRA-approved internet pharmacy logo on every website
  • A medical consultation is legally required before prescribing
  • Discreet delivery is standard at reputable online pharmacies
  • Never purchase avanafil from social media sellers or unverified marketplaces

Avanafil Dosage Comparison Table

Feature Avanafil 50 mg Avanafil 100 mg Avanafil 200 mg
Starting dose? Occasionally used in elderly or sensitive patients Yes — standard starting dose for most men No — escalation dose only
Onset of action 30–60 minutes 15–30 minutes As fast as 15 minutes
Duration of action Up to 4 hours Up to 5 hours Up to 6 hours
Suitable for diabetes-related ED? Yes, with prescriber review Yes Yes, with prescriber review
Food interaction Minimal Minimal High-fat meals may slightly delay onset
Maximum frequency Once daily Once daily Once daily
Common side effects Mild headache, flushing Headache, nasal congestion Headache, flushing, back pain
Prescription required? Yes Yes Yes

Key Takeaways

  • Avanafil 200 mg is the highest licensed dose of Spedra and is prescribed when lower doses have proven insufficient
  • It can begin working in as little as 15 minutes, making it one of the fastest-acting ED treatments available in the UK
  • Its high selectivity for PDE5 means fewer visual and musculoskeletal side effects compared to sildenafil and tadalafil
  • It is absolutely contraindicated with nitrates and must only be used under valid UK prescription
  • Purchasing from a GPhC-registered online pharmacy such as Cured Pharmacy ensures clinical safety, legal compliance, and discreet service

When to Seek Professional Advice

You should speak to a prescriber or pharmacist before starting avanafil if you have any existing heart condition, have had a recent heart attack or stroke, or are taking any prescription medication — particularly nitrates, alpha-blockers, or antifungal medicines. If you experience chest pain, severe dizziness, or an erection lasting longer than four hours after taking avanafil, seek emergency medical attention immediately by calling 999 or attending your nearest A&E department.

You should also revisit your prescriber if you have completed an adequate trial of avanafil at the 200 mg dose and continue to find it ineffective. In some cases, underlying conditions such as low testosterone, cardiovascular disease, or significant psychological factors may be contributing to ED and require dedicated treatment rather than dose escalation alone.

  • Seek emergency help if you develop an erection lasting over four hours
  • Contact your prescriber if you experience sudden vision or hearing loss after taking avanafil
  • Review your treatment if 200 mg consistently fails to produce an adequate response
  • Always disclose all medications and supplements during your online consultation

Scientific References

  1. Electronic Medicines Compendium (eMC). Spedra 200 mg Film-coated Tablets — Summary of Product Characteristics. Menarini International. Available at: medicines.org.uk [Accessed 12 August 2026]
  2. National Institute for Health and Care Excellence (NICE). Lower urinary tract symptoms in men: management. Clinical Guideline CG97. NICE, London. [Accessed 12 August 2026]
  3. Eardley I, et al. An evidence-based patient preference study for the treatment of erectile dysfunction in the UK. British Medical Journal. BMJ Publishing Group. [Accessed 12 August 2026]
  4. Spedra 200 mg tablets Summary of Product Characteristics, Menarini International, Electronic Medicines Compendium (EMC), 2021 [Accessed 12 August 2026]
  5. Erectile dysfunction: avanafil, NICE Technology Appraisal Guidance TA332, National Institute for Health and Care Excellence, 2014 [Accessed 12 August 2026]
  6. Spedra (avanafil) Public Assessment Report, Medicines and Healthcare products Regulatory Agency (MHRA), 2014 [Accessed 12 August 2026]
  7. Hackett G et al., British Society for Sexual Medicine guidelines on the management of erectile dysfunction in men, Journal of Sexual Medicine, 2017 [Accessed 12 August 2026]
  8. Avanafil monograph, British National Formulary (BNF), National Institute for Health and Care Excellence, 2024 [Accessed 12 August 2026]
  9. Goldstein I et al., Avanafil for erectile dysfunction in patients with diabetes mellitus, Diabetes Care, 2013 [Accessed 12 August 2026]

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Frequently Asked Questions

How long does Avanafil 200 mg take to work?

Avanafil 200 mg typically begins to work within 15 to 30 minutes of taking the tablet. Clinical studies show that some men experience a response in as little as 15 minutes, making it one of the fastest-acting PDE5 inhibitors currently available in the UK. Its effects can last up to six hours.

Is Avanafil 200 mg safe to take with alcohol?

Avanafil 200 mg is considered safer with moderate alcohol than some other ED medications, though caution is still advised. Drinking heavily before taking avanafil increases the risk of low blood pressure, dizziness, and flushing. Clinical guidance recommends limiting alcohol to no more than three units when using avanafil.

Can you take Avanafil 200 mg with blood pressure tablets?

Taking Avanafil 200 mg alongside certain blood pressure medications requires careful prescriber review. Avanafil must never be combined with nitrates, as this can cause a dangerous drop in blood pressure. Alpha-blockers require dose adjustment. Always disclose all current medications to your prescriber before starting avanafil at any dose.

What is the difference between Avanafil 100 mg and Avanafil 200 mg?

The difference between Avanafil 100 mg and Avanafil 200 mg lies in potency and suitability. The 100 mg dose is typically prescribed first, and the 200 mg dose is recommended when 100 mg produces an insufficient response. Both doses act quickly, but the 200 mg strength offers a more robust effect for men with moderate to severe ED.

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