Vardenafil 30mg: Why This Strength Does Not Exist
There is no UK-licensed vardenafil 30mg.
In the UK, vardenafil is licensed at 5mg, 10mg and 20mg only, with 20mg as the maximum dose. Trying to reach 30mg by combining tablets means moving outside licensed dosing and into avoidable safety risk.
This guide explains why the strength does not exist, why 20mg is a genuine prescribing ceiling rather than simply the highest tablet currently sold, the risks of combining doses to make up 30mg, and what to do if lower doses are not giving the effect you expected.
Key things to know
- Vardenafil's licensed UK strengths are 5mg, 10mg and 20mg. There is no genuine 30mg version
- 20mg is a deliberately established ceiling, not simply the highest dose tried so far
- Combining a 10mg and a 20mg dose to reach 30mg yourself is not a safe alternative
- Any product claiming to be vardenafil 30mg has not been through UK licensing
- If 20mg is not giving you the result you need, the safe route is reassessment rather than a higher unverified amount
Does Vardenafil 30mg Exist?
No. In the UK, vardenafil is licensed at three strengths only: 5mg, 10mg and 20mg, with 20mg the maximum.
There is no licensed product at 30mg. This is not a case of an unusual or rarely stocked option. It does not exist within this medicine's licensing at all.
Why It Is Easy to Assume Otherwise
Seeing a sequence of 5mg, 10mg and 20mg naturally invites the assumption that the pattern continues, perhaps to 30mg or 40mg, the way numerical sequences usually seem to extend.
That is an understandable assumption, but it does not reflect how medicine dosing works.
The three licensed strengths were not chosen as the first three steps of an open-ended progression. Each was established through its own testing as a distinct, complete option rather than a step on the way to something higher.
Why 20mg Is a Genuine Ceiling
This distinction matters more than it might initially seem.
20mg is not simply the largest dose that happened to be tried before testing stopped. It is the specific point established through clinical development beyond which further increases were not found to offer additional benefit relative to the added risk.
The ceiling exists because of what the evidence showed, rather than because researchers ran out of higher numbers to try.
The Actual Licensed Doses
The three genuine strengths are:
- 5mg, used in specific circumstances, including where side effects occur or where your medical history, liver function or interacting medicines make a lower strength more appropriate
- 10mg, generally the standard starting dose
- 20mg, the maximum
Whichever strength you are prescribed, vardenafil is taken 25 to 60 minutes before sexual activity, and no more than once in any 24-hour period.
A dedicated guide covers how a prescriber decides between the three in more detail.

Products Claiming to Be 30mg
If you have come across a product marketed as vardenafil 30mg, treat it as a clear red flag.
It may be inaccurately labelled, containing a different amount or a different substance than stated. It may also come from a source that has not been through any UK regulatory process at all.
Products invented at strengths outside a medicine's actual licensing are a recognised pattern among unregulated sellers. The sensible response is avoiding them rather than trying to verify the claim yourself.
Why Combining Two Doses Is Not the Answer Either
This is worth addressing directly, since it is a tempting piece of arithmetic. 10mg plus 20mg does add up to 30mg on paper.
But deliberately combining two doses to reach a total your prescriber has not assessed is not a safe substitute for a licensed strength.
It bypasses the clinical reasoning behind why 20mg is the ceiling, and effectively means self-administering an unapproved, untested amount, however straightforward the maths looks.
Standard dosing guidance does not allow more than one tablet, or more than one dose, within a 24-hour period.
The Risks of Exceeding the Maximum
Exceeding the licensed maximum, whether through a product falsely claiming 30mg or by combining doses yourself, carries genuine safety risk.
That applies particularly to vardenafil's caution around heart rhythm, which is dose-related and has not been established as safe beyond the tested maximum.
Going beyond the maximum increases the risk of side effects. It does not increase desire, and it does not address the underlying causes of erectile dysfunction.
Common reactions include headache, facial flushing, nasal congestion, blurred vision and light-headedness.
More serious reactions require immediate medical attention, including a painful erection lasting more than four hours, sudden loss of vision or hearing, chest pain, or a racing heartbeat.
This is not a theoretical concern. It is exactly the kind of risk the licensing process is designed to identify and prevent.
Safety Checks a Prescriber Makes
Before prescribing, a prescriber checks for issues that would make vardenafil unsuitable at any strength.
Nitrate medicines are the most important, because the combination can cause a severe drop in blood pressure. Alpha blockers and other interacting medicines also need reviewing.
Vardenafil works less predictably after a high-fat meal, so it is usually better taken on an empty stomach or after a lighter meal. Grapefruit and grapefruit juice can also affect how the medicine is processed.
None of these considerations disappears at a higher dose. They become harder to manage.
If 20mg Is Not Enough
If your current dose is not giving you the result you are looking for, raise it directly with your prescriber rather than trying to exceed it yourself, whether through an unverified product or by combining doses.
A proper reassessment looks at your actual circumstances, including whether the dose is genuinely the limiting factor, rather than assuming more of the same medicine is automatically the answer.
The Claims and the Reality
| Claim | Reality |
|---|---|
| Vardenafil 30mg | Does not exist as a UK-licensed strength |
| Genuine maximum dose | 20mg |
| Combining 10mg and 20mg | Not a safe way to reach a higher strength |
| Why 20mg is the ceiling | Established through testing, not simply the highest number tried |
| What to do if 20mg is not enough | Discuss reassessment with your prescriber. Do not self-adjust |
Medical Disclaimer
This page is for general information only and is not a substitute for a one-to-one clinical assessment. It does not cover every individual circumstance, and should not be used to self-diagnose or to start, stop or change any medicine.
An erection lasting more than four hours is a medical emergency. Seek immediate care by calling 999 or attending A&E.









