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Vardenafil Pack Sizes: Strengths, Pricing and How to Order Safely in the UK

Published: 9 November 2026

Understanding vardenafil pack sizes helps you choose the right strength and quantity for your needs. Vardenafil, the active ingredient in branded Levitra, is available in three strengths—5mg, 10mg and 20mg—and is supplied after an online consultation reviewed by a UK prescriber. At Cured Pharmacy, vardenafil is available from £16.95, or £13.56 for your first order with code Ednew.

What vardenafil pack sizes are available in the UK?

Vardenafil is licensed in the UK in three tablet strengths: 5mg, 10mg and 20mg [5]. The recommended starting dose for most men is 10mg, taken approximately 25 to 60 minutes before sexual activity [5]. Your prescriber may adjust the dose to 5mg if you experience side effects, or increase it to 20mg if the 10mg dose is not effective enough [5].

Pack sizes typically range from 4 to 12 tablets, depending on the supplier and your prescription. At Cured Pharmacy, vardenafil (generic Levitra) is supplied as a prescription-only medicine after a clinical consultation [5]. The number of tablets you receive will depend on your treatment plan and how often you anticipate needing the medication.

Unlike daily-use tadalafil, vardenafil is taken on demand, so you only use a tablet when you plan to have sex [5]. This makes smaller pack sizes practical for many men. The maximum recommended dose is 20mg, and you should not take more than one tablet in any 24-hour period [5].

How vardenafil pack sizes compare to other ED treatments

Vardenafil belongs to the same class of medicines as sildenafil (Viagra) and tadalafil (Cialis)—all are PDE5 inhibitors that help improve blood flow to the penis during sexual stimulation [1][5]. Sildenafil is available in 25mg, 50mg and 100mg strengths, while on-demand tadalafil comes in 10mg and 20mg tablets [3][4].

One key difference is onset and duration. Vardenafil typically works within 25 to 60 minutes and lasts for around four to five hours [5]. Sildenafil also takes about an hour to work, with similar duration [3]. Tadalafil, however, can work in as little as 30 minutes and may remain effective for up to 36 hours, earning it the nickname 'the weekend pill' [4].

Choosing between vardenafil pack sizes and other ED treatments depends on your lifestyle, how quickly you need the medicine to work, and any other health conditions or medications you take. All PDE5 inhibitors require sexual stimulation to be effective and are only supplied after a prescriber has reviewed your medical history [1][2].

Which strength is right for you?

Your prescriber will recommend a starting dose based on your age, overall health, other medicines you take, and any previous experience with ED treatments [5]. Most men start with vardenafil 10mg. If you are over 65, have moderate liver impairment, or take certain other medicines, a lower 5mg dose may be safer [5]. The 20mg strength is reserved for men who do not respond adequately to 10mg and have no troublesome side effects [5].

What affects the price of vardenafil pack sizes?

Several factors influence the cost of vardenafil in the UK. Generic vardenafil is typically less expensive than branded Levitra because it does not carry the research and marketing costs of the original product. At Cured Pharmacy, generic vardenafil starts at £16.95, or £13.56 for your first order when you use code Ednew.

The strength and quantity you order also affect the total price. Larger pack sizes often offer better value per tablet, but because vardenafil is taken on demand rather than daily, many men prefer smaller packs to start with. Your prescriber will help you decide on the most suitable pack size based on how frequently you expect to use the treatment.

Online pharmacies registered with the General Pharmaceutical Council, like Cured Pharmacy (GPhC 9012511), can offer competitive pricing because they have lower overheads than high-street pharmacies. However, all legitimate services require a clinical consultation before dispensing prescription medicines, so be cautious of websites that offer vardenafil without any health questions—they are not operating legally in the UK [2].

How to order vardenafil pack sizes safely online

To order vardenafil online in the UK, you must complete a confidential health questionnaire that asks about your medical history, current medications, and any heart or blood-pressure conditions [2]. A UK-registered prescriber—either a doctor or an independent prescribing pharmacist—will review your answers to ensure vardenafil is safe and suitable for you [2].

Never take vardenafil if you use nitrates (such as GTN spray or isosorbide mononitrate), nicorandil, riociguat, or recreational drugs known as 'poppers' [5]. Combining vardenafil with these medicines can cause a dangerous drop in blood pressure [5]. You should also tell the prescriber if you take alpha-blockers (for prostate or blood pressure), potent CYP3A4 inhibitors (such as ritonavir, ketoconazole or clarithromycin), or any other prescription or over-the-counter medicines [5].

Once your consultation is approved, your vardenafil pack will be dispensed by a GPhC-registered pharmacy and delivered discreetly to your home, usually within one to two working days. If vardenafil is not suitable, the prescriber may suggest an alternative ED treatment or recommend that you see your GP for further investigation [2]. New or worsening erectile dysfunction can be an early warning sign of cardiovascular disease or diabetes, so it is important to have a proper assessment [1][2].

What to expect during your online consultation

The online questionnaire will ask about your general health, any chest pain or heart problems, blood pressure, liver or kidney function, and whether you have ever had sudden vision or hearing loss [5]. You will also be asked about other medicines, including herbal supplements and recreational drugs. Answer every question honestly—the prescriber cannot make a safe decision without accurate information, and all consultations are confidential [2].

Understanding vardenafil dosage and pack sizes for your needs

Vardenafil is designed to be taken on demand, roughly 25 to 60 minutes before you plan to have sex [5]. You should not take more than one tablet in any 24-hour period, regardless of the strength [5]. If you find that 10mg works well, you may not need to increase the dose. If it does not work after several attempts, speak to your prescriber—they may increase the dose to 20mg or suggest trying a different PDE5 inhibitor [5].

Some men prefer to keep a small pack of four tablets to use occasionally, while others who are sexually active more frequently may opt for a larger pack of eight or twelve tablets. There is no 'daily' version of vardenafil, unlike tadalafil, which is available in lower daily doses (2.5mg and 5mg) for men who prefer continuous treatment [4].

If you experience side effects such as headache, flushing, nasal congestion or indigestion, these are usually mild and short-lived [5]. Lowering the dose to 5mg may help. Serious side effects are rare but include prolonged erection (lasting more than four hours), sudden vision or hearing loss, and chest pain during sex—all require urgent medical attention [5]. Always read the patient information leaflet that comes with your medicine and follow your prescriber's instructions.

Vardenafil pack sizes: key points for safe and effective use

Vardenafil is an effective treatment for erectile dysfunction when used correctly, but it is not suitable for everyone [5]. It should not be used if sexual activity itself is inadvisable—for example, if you have had a recent heart attack or stroke, suffer from unstable angina, or have severe heart failure [5]. Men with very low blood pressure, a history of non-arteritic anterior ischaemic optic neuropathy (NAION), or certain inherited retinal disorders should not take vardenafil [5].

Grapefruit juice can increase vardenafil levels in your blood and should be avoided [5]. Heavy alcohol can make erectile dysfunction worse and may increase the risk of dizziness or low blood pressure when combined with vardenafil [5]. If you are taking other blood-pressure medicines, your prescriber will check that it is safe to add vardenafil to your treatment [5].

Erectile dysfunction is common—it affects around half of men aged 40 to 70 to some degree [10]—and it is nothing to be embarrassed about. If vardenafil does not work for you, other options include sildenafil, tadalafil, avanafil, or non-tablet treatments such as vacuum devices, alprostadil cream or injections [1][2]. Your GP or online prescriber can discuss these alternatives and help you find the treatment that fits your lifestyle and health needs [2].

When to see your GP

If you are experiencing erectile dysfunction for the first time, it is a good idea to see your GP before ordering treatment online [1][2]. ED can be an early sign of underlying health problems such as diabetes, high cholesterol, or cardiovascular disease, and your doctor may want to run some tests [1][2]. Treating the underlying cause can sometimes improve erections without the need for medication [2]. Your GP can also review all your current medicines to check whether any of them might be contributing to the problem [2].

Scientific References

1. NHS. (n.d.). Erectile dysfunction (impotence). NHS website. https://www.nhs.uk/conditions/erection-problems-erectile-dysfunction/ [accessed 9 November 2026]
2. National Institute for Health and Care Excellence. (n.d.). Erectile dysfunction. Clinical Knowledge Summaries. https://cks.nice.org.uk/topics/erectile-dysfunction/ [accessed 9 November 2026]
3. Joint Formulary Committee. (n.d.). Sildenafil. British National Formulary. NICE. https://bnf.nice.org.uk/drugs/sildenafil/ [accessed 9 November 2026]
4. Joint Formulary Committee. (n.d.). Tadalafil. British National Formulary. NICE. https://bnf.nice.org.uk/drugs/tadalafil/ [accessed 9 November 2026]
5. Joint Formulary Committee. (n.d.). Vardenafil. British National Formulary. NICE. https://bnf.nice.org.uk/drugs/vardenafil/ [accessed 9 November 2026]
6. Feldman, H. A., Goldstein, I., Hatzichristou, D. G., Krane, R. J., & McKinlay, J. B. (1994). Impotence and its medical and psychosocial correlates: Results of the Massachusetts Male Aging Study. Journal of Urology, 151(1), 54–61. https://pubmed.ncbi.nlm.nih.gov/8254833/ [accessed 9 November 2026]

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