Viagra Tablet Checklist UK Patients | Cured Pharmacy

Clinically Proven UK Registered Pharmacy

Essential Viagra Tablet Checklist for UK Patients

UK-registered clinical team
Confidential and secure
No GP visit needed
Fast and discreet delivery
Start Your Free Consultation

Takes less than 2 minutes to complete 100% online

Ednew 20% off for new customers
Genuine Products
UK-licensed only
Fast Delivery
Next-day available
Expert Advice
UK pharmacists
Man using Cured Pharmacy online consultation for erectile dysfunction treatment
From £0.45 Starting dose — clinically approved
LIVE PRICING

Our Pricing

Pricing Disclaimer: Prices on some pages may not be up to date — the live pricing table below and pricing shown during consultation are official current prices and take precedence over any other figures on the site.

Sildenafil - UK-licensed prescription Treatment
Treatment

Sildenafil

From £0.45

Future orders save 5%
Start Assessment
Tadalafil - UK-licensed prescription Treatment
Treatment

Tadalafil

From £9.99

Future orders save 5%
Start Assessment
Sildenafil Eropid - UK-licensed prescription Treatment
Treatment

Sildenafil Eropid

From £8.99

Future orders save 5%
Start Assessment
Tadalafil (Teva) - UK-licensed prescription Treatment
Treatment

Tadalafil (Teva)

From £9.99

Future orders save 5%
Start Assessment
Avarante Tablets Tadalafil Tablets 10mg - UK-licensed prescription Treatment
Treatment

Avarante Tablets Tadalafil Tablets 10mg

From £11.49

Future orders save 5%
Start Assessment
Viagra Connect 50mg - UK-licensed prescription Treatment
Treatment

Viagra Connect 50mg

From £11.49

Future orders save 5%
Start Assessment

Essential Viagra Tablet Checklist for UK Patients

This viagra tablet checklist uk patients can use covers everything you need to know before starting sildenafil or branded Viagra treatment. At Cured Pharmacy, our UK-registered clinical team ensures every patient receives a thorough assessment, genuine MHRA-licensed medicines, and clear guidance on safe, effective use of erectile dysfunction treatments.

Pre-Treatment Health Checklist for Viagra and Sildenafil

Before any UK prescriber can approve sildenafil or Viagra, they must assess your cardiovascular health, current medications, and underlying conditions [1]. Phosphodiesterase type 5 (PDE5) inhibitors like sildenafil work by dilating blood vessels, which can interact dangerously with nitrate medications used for angina or certain blood pressure treatments.

Your online consultation at Cured Pharmacy will ask about heart conditions, recent stroke or heart attack (within six months), severe liver or kidney impairment, retinitis pigmentosa, and anatomical penile abnormalities [1]. These aren't arbitrary questions — they're clinical safeguards mandated by MHRA guidance to prevent serious adverse events.

If you're taking alpha-blockers for prostate issues or hypertension, your prescriber may adjust dosing or recommend an alternative treatment. The interaction between PDE5 inhibitors and alpha-blockers can cause significant hypotension, particularly within the first four hours of dosing [2].

Medication Interaction Checklist

Always disclose all medications during your consultation, including over-the-counter products and herbal supplements. Nitrates (glyceryl trinitrate, isosorbide mononitrate) are an absolute contraindication — combining them with sildenafil can cause life-threatening drops in blood pressure [1]. Recreational nitrites ('poppers') carry the same risk and must be avoided entirely during treatment.

Choosing the Right Viagra Tablet Strength

Sildenafil is available in 25mg, 50mg, and 100mg tablets in the UK. The standard starting dose for most men is 50mg, taken approximately one hour before sexual activity [1]. Your prescriber may reduce this to 25mg if you're over 65, have moderate hepatic impairment, or take certain CYP3A4 inhibitors like erythromycin or ritonavir.

The 100mg dose is reserved for patients who've trialled 50mg without adequate response and have no contraindications. Clinical trials show dose-dependent efficacy — in the pivotal studies, 69% of attempts were successful at 50mg versus 84% at 100mg — but higher doses also increase the likelihood of side effects like headache, flushing, and visual disturbances [3].

At Cured Pharmacy, sildenafil starts from £0.45 per tablet, making it one of the most cost-effective erectile dysfunction treatments available. Generic sildenafil contains the same active ingredient as branded Viagra but at significantly lower cost, as the original patent expired in 2013.

Timing and Administration Checklist

Sildenafil should be taken on an empty stomach or after a light meal for optimal absorption. High-fat meals can delay onset by up to 60 minutes and reduce peak plasma concentration by approximately 29% [1]. Plan to take your tablet 30-60 minutes before anticipated sexual activity, though effects may be noticeable from 12 minutes in some patients.

The medication remains effective for approximately four to five hours, but this doesn't mean you'll have an erection for that duration — sexual stimulation is still required for sildenafil to work [3]. The drug facilitates the natural erectile response by inhibiting PDE5 in the corpus cavernosum, allowing cGMP to accumulate and smooth muscle to relax.

Never exceed one dose in 24 hours. Taking multiple tablets won't improve efficacy and substantially increases your risk of adverse effects including priapism (a prolonged, painful erection lasting over four hours that requires emergency medical attention) [1].

What to Expect During Your First Dose

Common side effects include mild headache, facial flushing, indigestion, and nasal congestion — these affect approximately 10-16% of users and typically resolve within a few hours [3]. Rare but serious effects include sudden vision loss (NAION), sudden hearing loss, and cardiovascular events in predisposed individuals. If you experience chest pain during sexual activity, stop immediately and seek medical attention.

Viagra Prescription Requirements and Online Consultation Checklist

All sildenafil products except Viagra Connect 50mg are prescription-only medicines (POM) in the UK and require assessment by a GPhC-registered prescriber [4]. At Cured Pharmacy, our clinical team reviews every consultation personally — there are no automated approvals. Superintendent pharmacist Tarun Kumar (GPhC 2233073) oversees all clinical governance to ensure patient safety.

Your online consultation takes under three minutes and covers medical history, current medications, cardiovascular risk factors, and specific erectile dysfunction symptoms. Be honest about recreational drug use, particularly cocaine and MDMA, which can interact dangerously with PDE5 inhibitors and mask underlying cardiac issues [2].

If your consultation reveals contraindications, our prescribers may suggest alternative treatments like tadalafil (which has a longer half-life and may suit different lifestyles), recommend lifestyle modifications, or advise you to consult your GP for further cardiovascular assessment before starting treatment.

Lifestyle Factors That Affect Viagra Effectiveness

Erectile dysfunction is often multifactorial, with psychological, vascular, neurological, and hormonal components [3]. While sildenafil addresses the vascular mechanism effectively, optimising lifestyle factors can significantly improve treatment outcomes. Smoking cessation, for example, improves endothelial function and may enhance response to PDE5 inhibitors within weeks.

Excessive alcohol consumption (more than two units before sexual activity) can impair erectile function independently of sildenafil's mechanism and may counteract its benefits [1]. Obesity, particularly central adiposity, is associated with reduced testosterone and increased inflammatory markers that contribute to erectile dysfunction — weight loss of even 5-10% can improve symptoms.

Regular cardiovascular exercise improves erectile function through multiple pathways: enhanced endothelial nitric oxide production, improved insulin sensitivity, reduced systemic inflammation, and better psychological wellbeing [2]. Many patients find that combining sildenafil with exercise and dietary changes produces better results than medication alone.

Psychological Factors and Performance Anxiety

Performance anxiety can create a self-perpetuating cycle where fear of erectile failure causes sympathetic nervous system activation that inhibits erection. Sildenafil can break this cycle by providing reliable pharmacological support, often restoring confidence after just a few successful attempts [3]. Some men find they need the medication less frequently once psychological barriers are addressed.

Storage, Expiry, and Safety Checklist for Viagra Tablets

Store sildenafil tablets below 30°C in their original packaging, away from moisture and direct sunlight. The blister pack protects tablets from degradation — never transfer them to pill organisers or other containers unless you'll use them immediately [1]. Check the expiry date before each use; expired sildenafil may have reduced potency and unpredictable effects.

Keep all erectile dysfunction medications out of reach of children and other household members. Accidental ingestion by children can cause serious hypotension and requires immediate medical attention. Never share your prescription with others, even if they describe similar symptoms — individual medical assessment is essential for safe prescribing [4].

Counterfeit erectile dysfunction medications are widespread online, with some studies suggesting up to 77% of 'Viagra' sold through unregulated websites is counterfeit [4]. These products may contain incorrect doses, dangerous contaminants like printer ink or road paint, or no active ingredient at all. Always purchase from GPhC-registered pharmacies like Cured Pharmacy (registration 9012511) to guarantee genuine, UK-licensed medicines.

Scientific References

  1. Electronic Medicines Compendium. (2023). Viagra 50mg Film-Coated Tablets - Summary of Product Characteristics. Datapharm Ltd. https://www.medicines.org.uk/emc/product/327
  2. Kloner, R. A., et al. (2018). Cardiovascular Safety of Phosphodiesterase Type 5 Inhibitors After Nearly 2 Decades on the Market. Sexual Medicine Reviews, 6(4), 583-594. https://doi.org/10.1016/j.sxmr.2018.03.008
  3. Goldstein, I., et al. (1998). Oral Sildenafil in the Treatment of Erectile Dysfunction. New England Journal of Medicine, 338(20), 1397-1404. https://doi.org/10.1056/NEJM199805143382001
  4. Medicines and Healthcare products Regulatory Agency. (2022). Buying medicines online safely. GOV.UK. https://www.gov.uk/guidance/buying-medicines-online-safely

Information on this page is for educational purposes only and is not medical advice. All prescription treatments require clinical assessment by a UK-registered prescriber. Always consult a qualified healthcare professional before starting any new medication.

How it Works?

Select from our recommended UK-licensed medications.

1

Choose your treatment

Step 1: Choose your treatment from Cured Pharmacy

Select safe UK treatments. Quick answers.

2

Answer quick questions

Step 2: Answer quick consultation questions

We will deliver direct to you as quickly as tomorrow.

3

Get it delivered fast

Step 3: Fast discreet delivery to your door

Start Your Assessment For Erectile Dysfunction

Start your journey to better health today.

  • Reviewed by UK-based prescribers
  • Takes under 3 minutes
  • Discreet Packaging

Start Your Journey To Better Health Today

Once you complete a short online assessment you will be able to choose your preferred treatment from safe medically approved options tailored to you.

Start My Assessment

Returning Customer?

Log in to Your Account

Faq

What should I check before taking Viagra for the first time?
Check that you've disclosed all medical conditions and medications to your prescriber, particularly heart conditions, nitrate medications, and blood pressure treatments. Ensure you're not taking recreational drugs containing nitrites and that you understand the correct dosing schedule.
How long does Viagra take to work?
Sildenafil typically takes 30-60 minutes to become effective, though some men notice effects from 12 minutes. Taking it on an empty stomach speeds absorption, while high-fat meals can delay onset by up to an hour.
Can I take Viagra with alcohol?
Small amounts of alcohol (one to two units) are unlikely to interfere with sildenafil, but excessive drinking can impair erectile function independently and may reduce treatment effectiveness. Alcohol also increases the risk of dizziness and hypotension.
What's the difference between Viagra and generic sildenafil?
Both contain identical active ingredient (sildenafil citrate) at the same doses and work identically. Generic sildenafil is significantly cheaper because the original Viagra patent expired in 2013, but both are MHRA-licensed and equally effective.
Is Viagra safe for patients with high blood pressure?
Sildenafil can be used safely in most men with controlled hypertension, but it requires careful prescriber assessment, particularly if you take alpha-blockers or multiple antihypertensive medications. Your blood pressure should be stable before starting treatment.
How often can I take Viagra tablets?
The maximum frequency is once per 24-hour period. Taking sildenafil more frequently increases the risk of serious side effects including priapism, severe hypotension, and visual disturbances without improving efficacy.
What should I do if Viagra doesn't work?
Ensure you're taking it correctly (on an empty stomach, with sexual stimulation, at the right time). If 50mg is ineffective after several attempts, consult your prescriber about increasing to 100mg or trying an alternative like tadalafil, which has a different pharmacokinetic profile.
Do I need a prescription for Viagra in the UK?
Yes, all sildenafil products except Viagra Connect 50mg require a prescription from a UK-registered prescriber. At Cured Pharmacy, our online consultation provides this prescription after clinical assessment by our GPhC-registered team.
How much does Viagra cost at Cured Pharmacy?
Viagra tablet prices at Cured Pharmacy start from £4.50 per tablet, depending on the strength and quantity ordered. We offer competitive pricing on 25mg, 50mg, and 100mg tablets with package deals available for better value.
Is Viagra available without a prescription in the UK?
No, Viagra requires a valid prescription in the UK as it's a prescription-only medicine. Cured Pharmacy provides a free online consultation service where our UK-registered pharmacists can assess your suitability and issue a prescription if appropriate.
How quickly can I get Viagra tablets delivered in the UK?
Cured Pharmacy offers next-day discreet delivery across the UK when you order before our cut-off time. All Viagra tablets are dispatched in plain, unmarked packaging to protect your privacy, with tracked delivery options available.
What is the difference between Viagra and generic sildenafil?
Viagra is the branded version while sildenafil is the generic equivalent, both containing the same active ingredient at identical strengths. Generic sildenafil offers the same effectiveness as Viagra but at a lower cost, and Cured Pharmacy stocks both options to suit your preference and budget.
Is Viagra safe to use long term for UK patients?
Viagra is safe for long-term use when taken as prescribed and under medical supervision. Cured Pharmacy recommends regular check-ups to ensure the medication remains suitable for you, and our pharmacists are available for ongoing support and advice throughout your treatment.
Tarun Kumar, Prescribing Pharmacist

Medically reviewed by

Tarun Kumar, Prescribing Pharmacist (GPhC 2233073)

Last reviewed: 17 July 2026