Vardenafil and Vortioxetine: Can They Be Taken Together?
Learn about the interaction, what your prescriber checks, and practical safety advice from UK pharmacists.
Takes less than 2 minutes to complete 100% online
Vardenafil and Vortioxetine: Understanding the Interaction
Published: 5 November 2026
If you're taking vortioxetine for depression and considering vardenafil for erectile dysfunction, you may be wondering whether vardenafil and vortioxetine can be used together safely. The good news is that no major direct interaction is commonly reported between these two medicines, but your prescriber will still need to review your full medical history and current medications during a consultation. This page explains what each medicine does, how they may interact, and what practical steps you should take.
At a glance
What is vardenafil and vortioxetine?
Vardenafil (also known by the brand name Levitra) is a prescription medicine used to treat erectile dysfunction in men [5]. It belongs to a group of medicines called PDE5 inhibitors, which work by relaxing blood vessels in the penis, allowing increased blood flow when you are sexually aroused. Vardenafil is available in 5mg, 10mg, and 20mg tablets, and is usually taken about 25 to 60 minutes before sexual activity [5]. It requires sexual stimulation to work and should not be taken more than once a day.
Vortioxetine (brand name Brintellix or Trintellix) is an antidepressant prescribed for major depressive disorder [12]. It works by affecting several neurotransmitters in the brain, including serotonin, noradrenaline, dopamine, histamine, and acetylcholine. Vortioxetine is typically taken once daily and may take several weeks to show its full effect on mood. Like many antidepressants, it can sometimes contribute to sexual side effects, including erectile dysfunction, which is why some men taking vortioxetine may also need treatment for ED.
How vardenafil and vortioxetine interact in the body
There is no well-documented direct pharmacological interaction between vardenafil and vortioxetine that would make the combination unsafe [5][12]. Vardenafil is primarily broken down in the liver by enzymes called CYP3A4 and, to a lesser extent, CYP2C9 [5]. Vortioxetine is metabolised mainly by CYP2D6, with some involvement of CYP3A4, CYP2C19, and other enzymes [12]. Because they use different primary metabolic pathways, vortioxetine is not expected to significantly raise or lower vardenafil levels in the blood.
However, both medicines can have effects on blood pressure and overall cardiovascular function, and vortioxetine may contribute to sexual side effects. Your prescriber will consider your complete medication list, including vortioxetine, to ensure that vardenafil is appropriate for you. It is important to declare all medicines you are taking, including antidepressants, during your online consultation so that the prescriber can assess your individual situation and check for any other potential interactions or contraindications.
Why your prescriber needs to know about vortioxetine
Even though no major direct interaction is commonly reported, your prescriber must know you are taking vortioxetine for several reasons. First, depression and antidepressant use can both affect sexual function, and your prescriber will want to understand the full picture of your erectile dysfunction. Second, vortioxetine may interact with other medicines you are taking, and the prescriber needs to review your complete medication list. Finally, some antidepressants can very rarely affect heart rhythm or blood pressure, so a full assessment ensures that vardenafil is safe and appropriate for you.
What your prescriber checks before prescribing vardenafil and vortioxetine together
When you request vardenafil through an online consultation at Cured Pharmacy, a UK-registered prescriber will review your medical history and current medications, including vortioxetine [5]. The prescriber will check that you do not have any absolute contraindications to vardenafil, such as recent heart attack or stroke, unstable angina, severe heart failure, very low blood pressure, or use of nitrates, nicorandil, riociguat, or poppers [5]. These medicines must never be taken with vardenafil because the combination can cause a dangerous drop in blood pressure.
The prescriber will also ask about other medicines that can interact with vardenafil, including alpha-blockers (such as tamsulosin or doxazosin), other blood pressure medicines, and potent CYP3A4 inhibitors like ritonavir, ketoconazole, or clarithromycin [5]. If you are taking any of these, the prescriber may adjust the dose of vardenafil or advise that it is not suitable. You should also mention any over-the-counter medicines, herbal supplements (especially St John's wort), and recreational drugs. The consultation is confidential, and honest answers help ensure your safety.
What you need to know
- No major direct interaction is commonly reported between vardenafil and vortioxetine
- Always declare vortioxetine during your vardenafil consultation for a full safety review
- Never take vardenafil with nitrates, nicorandil, riociguat, or poppers
- Continue vortioxetine as prescribed; do not stop without medical advice
- Seek urgent help for chest pain, sudden vision or hearing loss, or erection over four hours
Practical advice for taking vardenafil and vortioxetine safely
If your prescriber approves vardenafil while you are taking vortioxetine, follow the dosing instructions carefully. Take vardenafil about 25 to 60 minutes before you plan to have sex, and do not take more than one dose in 24 hours [5]. Vardenafil will only work when you are sexually aroused; it does not cause an automatic erection. You can take it with or without food, but a heavy, high-fat meal may delay how quickly it works.
Continue taking vortioxetine exactly as prescribed by your doctor; do not stop or change the dose without medical advice, as this can affect your mental health. Avoid drinking large amounts of alcohol, as heavy drinking can worsen erectile dysfunction and increase the risk of dizziness or low blood pressure when combined with vardenafil [5]. Grapefruit juice can raise vardenafil levels in the blood, so it is best to avoid it. If you experience any new or worsening side effects after starting vardenafil, contact your prescriber or pharmacist for advice.
Managing side effects and monitoring your response
Common side effects of vardenafil include headache, flushing, nasal congestion, indigestion, and dizziness [5]. These are usually mild and short-lived. Vortioxetine can cause nausea, dizziness, headache, and sexual side effects [12]. If you notice increased dizziness or light-headedness after starting vardenafil, sit or lie down until it passes, and mention it to your prescriber. Rarely, vardenafil can cause more serious side effects such as sudden vision or hearing loss, or an erection lasting more than four hours (priapism); these require urgent medical attention. Keep track of how well vardenafil works for you and any side effects, and discuss them with your prescriber at your next review.
Other erectile dysfunction treatments and vortioxetine
If vardenafil is not suitable or does not work well for you, there are other PDE5 inhibitors available, including sildenafil (Viagra), tadalafil (Cialis), and avanafil (Spedra) [3][4][6]. Like vardenafil, these medicines have no commonly reported major direct interaction with vortioxetine, but they must still be reviewed by a prescriber. Sildenafil is taken about one hour before sex and lasts for around four to six hours [3]. Tadalafil can be taken on-demand (at least 30 minutes before sex, with effects lasting up to 36 hours) or as a lower daily dose [4]. Avanafil works quickly, often within 15 to 30 minutes [6].
All PDE5 inhibitors share the same important contraindications: never take them with nitrates, nicorandil, riociguat, or poppers, and never combine two PDE5 inhibitors [3][4][5][6]. If oral tablets are not effective or suitable, other options include Vitaros (alprostadil cream applied to the tip of the penis) or Caverject (alprostadil injection), both of which are prescription-only [7]. Your GP or a specialist can discuss these alternatives. At Cured Pharmacy, a UK prescriber will help you find the most appropriate treatment based on your individual circumstances, including your use of vortioxetine.
When to get urgent help
- Chest pain during or after sex
- Sudden loss of vision in one or both eyes
- Sudden decrease or loss of hearing, possibly with ringing in the ears or dizziness
- Erection lasting more than four hours (priapism)
- Severe dizziness, fainting, or signs of a serious 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.
When to see your GP about erectile dysfunction and vortioxetine
If you are experiencing erectile dysfunction for the first time, it is important to see your GP for a full assessment [1][2]. ED can be an early warning sign of underlying health conditions such as heart disease, diabetes, or high blood pressure, and your GP can arrange tests and discuss treatment options [1]. If you believe vortioxetine or another antidepressant is contributing to your erectile problems, do not stop taking it without medical advice; instead, discuss it with your GP or psychiatrist, who may be able to adjust your treatment.
You should also see your GP urgently if you develop chest pain during sex, sudden loss of vision or hearing, or an erection that lasts more than four hours [5]. These are rare but serious side effects that require immediate medical attention. If you have any concerns about taking vardenafil and vortioxetine together, or if you experience new symptoms after starting vardenafil, contact your prescriber, pharmacist, or GP. At Cured Pharmacy, our team is here to support you with confidential advice and to ensure your treatment is safe and effective.
Getting help from Cured Pharmacy
Cured Pharmacy is a GPhC-registered online pharmacy (GPhC 9012511) offering discreet, professional treatment for erectile dysfunction. All prescription medicines, including vardenafil, are only supplied after an online consultation reviewed by a UK-registered prescriber. During the consultation, you will be asked about your medical history, current medications (including vortioxetine), and any other health conditions. The prescriber will ensure that vardenafil is safe and appropriate for you, and you can ask any questions you have. If approved, your medicine will be dispensed by our pharmacy and delivered discreetly to your door. We are here to provide ongoing support and advice whenever you need it.
Declare all your medicines
During your online consultation, list every medicine you take, including vortioxetine, over-the-counter products, and herbal supplements. This helps the prescriber ensure vardenafil is safe and effective for you.
Scientific References
- NHS. (n.d.). Erectile dysfunction (impotence). NHS website. https://www.nhs.uk/conditions/erection-problems-erectile-dysfunction/ [accessed 5 November 2026]
- National Institute for Health and Care Excellence. (n.d.). Erectile dysfunction. Clinical Knowledge Summaries. https://cks.nice.org.uk/topics/erectile-dysfunction/ [accessed 5 November 2026]
- Joint Formulary Committee. (n.d.). Sildenafil. British National Formulary. NICE. https://bnf.nice.org.uk/drugs/sildenafil/ [accessed 5 November 2026]
- Joint Formulary Committee. (n.d.). Tadalafil. British National Formulary. NICE. https://bnf.nice.org.uk/drugs/tadalafil/ [accessed 5 November 2026]
- Joint Formulary Committee. (n.d.). Vardenafil. British National Formulary. NICE. https://bnf.nice.org.uk/drugs/vardenafil/ [accessed 5 November 2026]
- Joint Formulary Committee. (n.d.). Avanafil. British National Formulary. NICE. https://bnf.nice.org.uk/drugs/avanafil/ [accessed 5 November 2026]
- Joint Formulary Committee. (n.d.). Alprostadil. British National Formulary. NICE. https://bnf.nice.org.uk/drugs/alprostadil/ [accessed 5 November 2026]
- Electronic Medicines Compendium. (n.d.). Summaries of Product Characteristics and Patient Information Leaflets. https://www.medicines.org.uk/emc/ [accessed 5 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.
Take the First Step Today
Reviewed by UK-based prescribers · Takes under 3 minutes · Discreet Packaging
Available Treatments
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.
Trusted by thousands
Real people, real results
“Fabulous service and quick delivery”
“Felt the effects of these after about 5 days. Erections are better and can get aroused and ready easier”
“Excellent value and brilliant customer service”
“I received excellent service and everything went well. The order arrived quickly and in perfect condition. It's working very well! Thank you to the whole team for the great work!”
“Delivery was good, the product lived up to expectations.”
Get Treatment in 3 Steps
Choose your treatment
Select from our recommended UK-licensed medications.
Answer quick questions
Select safe UK treatments. Quick answers.
Get it delivered fast
We will deliver direct to you as quickly as tomorrow.
Common Questions
Can I take vardenafil if I'm on vortioxetine?
No major direct interaction is commonly reported between vardenafil and vortioxetine, but you must declare vortioxetine during your online consultation so the prescriber can review your full medication list and ensure vardenafil is safe for you.
Will vortioxetine make vardenafil less effective?
Vortioxetine is not known to significantly reduce vardenafil levels or effectiveness, as they use different primary metabolic pathways. However, individual responses vary, so discuss any concerns with your prescriber.
Can vortioxetine cause erectile dysfunction?
Yes, like many antidepressants, vortioxetine can sometimes contribute to sexual side effects, including erectile dysfunction. If you think vortioxetine is affecting your sexual function, discuss it with your GP or psychiatrist before stopping the medicine.
Do I need to stop vortioxetine before taking vardenafil?
No, you should not stop vortioxetine without medical advice. Continue taking it as prescribed and declare it during your vardenafil consultation so the prescriber can assess the combination safely.
What should I avoid when taking vardenafil and vortioxetine together?
Never take vardenafil with nitrates, nicorandil, riociguat, poppers, or another PDE5 inhibitor. Avoid heavy alcohol and grapefruit juice, and declare all other medicines, including over-the-counter and herbal products, during your consultation.
Can I take other antidepressants with vardenafil?
Most antidepressants, including SSRIs, SNRIs, and tricyclics, have no major direct interaction with vardenafil, but you must declare them during your consultation. St John's wort may reduce vardenafil effectiveness and should be mentioned.
What are the warning signs I should watch for?
Seek urgent help if you experience chest pain during sex, sudden loss of vision or hearing, or an erection lasting more than four hours. Contact your prescriber if you have increased dizziness or any new symptoms after starting vardenafil.
How do I get vardenafil if I'm taking vortioxetine?
Complete an online consultation at Cured Pharmacy, declaring vortioxetine and all other medicines. A UK-registered prescriber will review your information and, if appropriate, approve vardenafil for discreet delivery to your door.
Medically reviewed by
Tarun Kumar, Superintendent Pharmacist (GPhC 2233073)