Vardenafil and Hydrocortisone: Can You Take Them Together?
Learn whether these medicines interact and what your prescriber checks during your UK consultation.
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Vardenafil and Hydrocortisone: Understanding the Interaction
Published: 31 October 2026
Many men wonder whether vardenafil and hydrocortisone can be taken together safely. The good news is that no major direct interaction is commonly reported between vardenafil (the active ingredient in Levitra) and hydrocortisone, a corticosteroid used for inflammation, allergies, and skin conditions. However, every medicine you take—including over-the-counter treatments and topical creams—must be declared during your consultation, so your prescriber can check your full medical history and ensure vardenafil is suitable for you.
At a glance
What Is Vardenafil and How Does It Work?
Vardenafil is a prescription medicine used to treat erectile dysfunction (ED) in men [1]. It belongs to a group of medicines called PDE5 inhibitors, which also includes sildenafil (Viagra), tadalafil (Cialis), and avanafil (Spedra) [3][5].
Vardenafil works by relaxing the blood vessels in the penis, allowing more blood to flow in when you are sexually aroused [5]. It does not cause an erection on its own—sexual stimulation is still needed. The medicine is usually taken about 25 to 60 minutes before sexual activity, and the effect can last for several hours [5].
Vardenafil is available in 5 mg, 10 mg, and 20 mg tablets. Your prescriber will recommend the dose that is right for you based on your health, other medicines, and how well the treatment works. You should not take vardenafil more than once in 24 hours [5].
What Is Hydrocortisone and What Is It Used For?
Hydrocortisone is a corticosteroid medicine that reduces inflammation and suppresses the immune system. It is used to treat a wide range of conditions, including allergic reactions, skin conditions such as eczema and dermatitis, inflammatory bowel disease, arthritis, and adrenal insufficiency (when the body does not produce enough natural steroids).
Hydrocortisone is available in several forms: tablets and injections for systemic (whole-body) use, and creams, ointments, and lotions for topical (skin) use. The form and dose depend on the condition being treated. Topical hydrocortisone creams are often used for mild skin inflammation and can be bought over the counter in low strengths, while higher-strength preparations and systemic forms require a prescription.
Because hydrocortisone affects the immune system and metabolism, it can interact with some medicines and may affect certain health conditions. That is why it is important to tell your prescriber about all the medicines you use, including creams and ointments, when you are being assessed for ED treatment.
Vardenafil and Hydrocortisone: Is There an Interaction?
No major direct interaction is commonly reported between vardenafil and hydrocortisone. This means that, in most cases, men who use hydrocortisone—whether as a tablet, injection, or topical cream—can be prescribed vardenafil for erectile dysfunction, provided they are otherwise suitable candidates for ED treatment [5].
However, it is important to understand that hydrocortisone, especially when taken systemically (by mouth or injection) over a long period, can affect blood sugar levels, blood pressure, and the body's response to stress. These factors are relevant to your overall cardiovascular health, which is carefully assessed before any PDE5 inhibitor is prescribed [2].
During your online consultation, the prescriber will ask about all your current medicines, including corticosteroids, and review your medical history. This ensures that vardenafil is safe for you and that any potential risks are identified and managed. You should never stop or change a prescribed medicine like hydrocortisone without speaking to your doctor, as this can be harmful.
Why Your Prescriber Needs to Know About Hydrocortisone
Even though vardenafil and hydrocortisone do not interact directly, your prescriber needs a complete picture of your health. Long-term corticosteroid use can increase the risk of high blood pressure, diabetes, and cardiovascular disease—all of which are relevant when assessing suitability for ED treatment [2]. Your prescriber will also check for any other medicines you take that could interact with vardenafil, such as nitrates, alpha-blockers, or medicines that affect how vardenafil is broken down in the body [5].
What you need to know
- No major direct interaction is commonly reported between vardenafil and hydrocortisone.
- Always declare all medicines, including creams and tablets, in your consultation.
- Never take vardenafil with nitrates, nicorandil, riociguat, or poppers.
- Vardenafil requires a prescription and clinical assessment by a UK prescriber.
- Continue taking hydrocortisone as prescribed unless your doctor advises otherwise.
Medicines That Do Interact with Vardenafil
While vardenafil and hydrocortisone can usually be taken together, there are some medicines that must never be combined with vardenafil because they can cause a dangerous drop in blood pressure [5].
Do not take vardenafil with nitrates (such as GTN spray, isosorbide mononitrate, or isosorbide dinitrate), nicorandil, riociguat, or recreational drugs called 'poppers' (amyl or alkyl nitrites). You must also not take vardenafil at the same time as another PDE5 inhibitor, such as sildenafil or tadalafil [3][5].
Vardenafil can also interact with alpha-blockers (used for high blood pressure or prostate problems, such as doxazosin or tamsulosin), which can increase the risk of dizziness or fainting. If you take an alpha-blocker, your prescriber will usually start you on the lowest dose of vardenafil and ensure you are stable on the alpha-blocker first [5].
Certain medicines that affect liver enzymes—such as ritonavir, cobicistat, ketoconazole, itraconazole, and clarithromycin—can raise vardenafil levels in the blood. In many cases, vardenafil is contraindicated or requires a dose adjustment when these medicines are used [5]. Your prescriber will check the Summary of Product Characteristics (SmPC) for your specific medicines during the consultation [12].
What Your Prescriber Checks Before Prescribing Vardenafil
Before vardenafil is prescribed, a UK-registered prescriber will review your full medical history and current medicines through an online consultation. This is a legal requirement and ensures the treatment is safe and suitable for you [2].
The prescriber will ask about your cardiovascular health, including any history of heart attack, stroke, angina, heart failure, or abnormal blood pressure. Vardenafil is not suitable if sexual activity is inadvisable for your heart, or if you have very low blood pressure [5].
You will also be asked about eye conditions, particularly if you have ever experienced sudden vision loss (a condition called non-arteritic anterior ischaemic optic neuropathy, or NAION), and about any liver or kidney problems. All current medicines—including over-the-counter treatments, herbal remedies, and topical creams like hydrocortisone—must be declared [5][12].
If you are approved, the prescriber will recommend the most appropriate dose and provide advice on how to take vardenafil safely. Prescription medicines are only supplied after this clinical assessment has been completed by a UK prescriber.
Declaring All Your Medicines
Even if you think a medicine is unlikely to interact—such as a hydrocortisone cream for eczema—it is essential to list it in your consultation. The prescriber needs to see the full picture to make a safe decision. This includes prescription medicines, pharmacy medicines, herbal supplements like St John's wort, and recreational drugs. Being honest and thorough protects your health and ensures you get the right treatment.
When to get urgent help
- Erection lasting more than 4 hours (priapism)
- Sudden loss of vision or hearing
- Chest pain during or after sex
- Severe dizziness or fainting
- Allergic reaction (swelling of face, lips, or throat, difficulty breathing)
Call 999 or go to A&E in an emergency, or contact NHS 111 for urgent advice.
Practical Advice for Taking Vardenafil Safely
If you are prescribed vardenafil, take it about 25 to 60 minutes before you plan to have sex. Swallow the tablet whole with water, with or without food, though a heavy or high-fat meal may delay how quickly it works [5]. Do not take more than one dose in 24 hours.
Avoid drinking large amounts of alcohol, as this can make it harder to get an erection and can increase the risk of side effects such as dizziness or low blood pressure. Grapefruit juice can raise vardenafil levels in the blood and should be avoided [5].
Common side effects include headache, flushing, indigestion, nasal congestion, and dizziness. These are usually mild and short-lived. If you experience chest pain during sex, stop and seek medical help immediately. Do not take nitrates to relieve chest pain if you have used vardenafil [5].
Seek urgent medical help if you have an erection lasting more than four hours (priapism), sudden loss of vision or hearing, or severe dizziness. If you have any concerns or side effects, contact your GP or pharmacist for advice. Continue taking your other prescribed medicines, including hydrocortisone, as directed by your doctor unless advised otherwise.
When to See Your GP
If you are experiencing erectile dysfunction for the first time, it is a good idea to see your GP. ED can be an early warning sign of cardiovascular disease or diabetes, and your GP can arrange tests and address any underlying health issues [1][2]. Your GP can also review all your medicines, including hydrocortisone, and refer you to a specialist if needed. Online pharmacies like Cured Pharmacy provide convenient access to treatment, but they work best alongside your usual NHS care.
Declare Every Medicine You Use
Even if you think a medicine is unlikely to interact—such as a hydrocortisone cream—always list it in your consultation. Your prescriber needs the full picture to keep you safe and ensure vardenafil is right for you.
Scientific References
- NHS. (n.d.). Erectile dysfunction (impotence). NHS website. https://www.nhs.uk/conditions/erection-problems-erectile-dysfunction/ [accessed 31 October 2026]
- National Institute for Health and Care Excellence. (n.d.). Erectile dysfunction. Clinical Knowledge Summaries. https://cks.nice.org.uk/topics/erectile-dysfunction/ [accessed 31 October 2026]
- Joint Formulary Committee. (n.d.). Sildenafil. British National Formulary. NICE. https://bnf.nice.org.uk/drugs/sildenafil/ [accessed 31 October 2026]
- Joint Formulary Committee. (n.d.). Vardenafil. British National Formulary. NICE. https://bnf.nice.org.uk/drugs/vardenafil/ [accessed 31 October 2026]
- Electronic Medicines Compendium. (n.d.). Summaries of Product Characteristics and Patient Information Leaflets. https://www.medicines.org.uk/emc/ [accessed 31 October 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.
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Common Questions
Can I use hydrocortisone cream and take vardenafil at the same time?
Yes, in most cases. No major interaction is commonly reported between topical hydrocortisone cream and vardenafil. Always declare all medicines, including creams, in your consultation.
Will hydrocortisone tablets affect how vardenafil works?
Hydrocortisone tablets do not directly affect how vardenafil works. However, long-term corticosteroid use can affect your cardiovascular health, which your prescriber will assess before prescribing vardenafil.
Do I need to stop hydrocortisone before starting vardenafil?
No. You should continue taking hydrocortisone as prescribed by your doctor. Never stop a prescribed medicine without medical advice, as this can be harmful.
What medicines must I never take with vardenafil?
Do not take vardenafil with nitrates, nicorandil, riociguat, poppers, or another PDE5 inhibitor. These combinations can cause a dangerous drop in blood pressure.
Can I take vardenafil if I use an inhaler with corticosteroids?
Inhaled corticosteroids (such as beclometasone or budesonide) do not interact with vardenafil. Declare all your medicines in your consultation for a full safety check.
How long does vardenafil take to work?
Vardenafil usually works within 25 to 60 minutes. Sexual stimulation is needed for it to be effective, and you should not take more than one dose in 24 hours.
What should I do if I get side effects from vardenafil?
Common side effects like headache or flushing are usually mild. Seek urgent help if you have chest pain, an erection lasting over four hours, or sudden vision or hearing loss.
Can I buy vardenafil without a prescription?
No. Vardenafil is a prescription-only medicine in the UK. It is only supplied after an online consultation reviewed by a UK-registered prescriber to ensure it is safe for you.
Medically reviewed by
Tarun Kumar, Superintendent Pharmacist (GPhC 2233073)