Can I Take Levitra (Vardenafil) While Pregnant?
Medically reviewed by Linda Girgis | MD, Girgis Family Medicine on September 5th, 2026.
Published on September 4th, 2026.
Key takeaways
Vardenafil is not approved or proven safe for use during pregnancy without specialist direction.
Animal studies showing no harm do not confirm safety for humans without large controlled trials.
The STRIDER trial raised serious concerns about the entire PDE5 inhibitor class in pregnancy.
Accidental single-dose exposure warrants a prompt OB-GYN conversation, not panic but not dismissal.
A pregnancy-safer alternative likely exists for any condition vardenafil was originally treating.
Is It Safe to Take Vardenafil (Levitra) While Pregnant?
The short answer is no, and this matters whether you took it accidentally, have a prescription for an underlying condition, or are just researching before a decision. Vardenafil has not been proven safe for pregnant women. Human safety data is essentially absent, and evidence from related medications raises real concerns for the entire drug class. If you are pregnant and have taken or are considering vardenafil, talking to a clinician quickly is the right call.
Vardenafil was developed and approved specifically for erectile dysfunction in men. That means no large, controlled studies in pregnant women were ever conducted. Under older FDA pregnancy classification frameworks, it carries a Category B designation, which sounds reassuring but simply means animal studies did not show harm. It does not mean human safety has been established.
Why Were Researchers Ever Studying Vardenafil in Pregnancy?
Vardenafil belongs to a class of drugs called PDE5 inhibitors (medications that relax smooth muscle and widen blood vessels). That blood vessel-relaxing effect led researchers to ask whether PDE5 inhibitors might help in certain high-risk obstetric situations, including:
- Intrauterine growth restriction (IUGR): A condition where the baby grows too slowly, often due to poor placental blood flow.
- Pulmonary arterial hypertension: A dangerous form of high blood pressure in the lungs that can be life-threatening during pregnancy.
A landmark 2018 Dutch clinical trial called STRIDER investigated sildenafil (a closely related PDE5 inhibitor) for fetal growth restriction. The trial was stopped early after an increase in neonatal deaths was observed in the treatment group. That outcome cast serious doubt over the entire PDE5 inhibitor class during pregnancy, vardenafil included, even in supervised research settings.
What Are the Risks to the Baby?
No confirmed birth defects (teratogenic effects) from vardenafil have been documented in human pregnancies, but the absence of documented harm is not the same as confirmed safety when human studies simply have not been done.
Drug |
Available Pregnancy Safety Data |
Primary Concern in Pregnancy |
|---|---|---|
Vardenafil (Levitra) |
Very limited; no adequate human studies |
Theoretical placental blood flow disruption; no human risk profile established |
Sildenafil (Viagra) |
More studied via STRIDER trial |
STRIDER halted early; increased neonatal deaths in treatment group |
Tadalafil (Cialis) |
Minimal human data; some animal studies |
Vasodilatory risk similar to class; used occasionally in pulmonary hypertension under specialist care |
The concern with all of these drugs is their vasodilatory effect. Altering blood vessel tone during pregnancy could unpredictably affect blood flow through the placenta. Animal reproductive studies of vardenafil at high doses did show some fetal effects, which means the data cannot simply be dismissed or extrapolated to human safety.
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What If I Already Took Vardenafil Before Knowing I Was Pregnant?
This is a common and stressful situation. Here is what is known and what to do.
A single early exposure is unlikely to carry the same level of risk as ongoing use throughout pregnancy. That is not a guarantee of safety, but it is a reasonable clinical distinction. The timing of the exposure matters significantly because different organ systems develop at different stages, and risk varies accordingly.
The correct steps are:
- Do not panic. One exposure early in pregnancy is a different situation from continued use.
- Do not dismiss it either. This is not something to self-assess or research your way out of online.
- Contact an OB-GYN or maternal-fetal medicine specialist promptly. They can document the exposure, evaluate timing relative to fetal development, and recommend appropriate monitoring if needed.
Doctronic, the first AI legally authorized to practice medicine, is available 24/7 and can help you think through your situation and connect you with a licensed provider quickly if you need one.
Are There Situations Where a Doctor Might Still Consider It?
In rare, high-stakes clinical scenarios, a specialist might consider a PDE5 inhibitor during pregnancy, but this almost never applies to vardenafil specifically.
Pulmonary arterial hypertension during pregnancy is genuinely life-threatening, and some vasodilators are used under strict multidisciplinary supervision in that context. Sildenafil has more data in this setting than vardenafil does, making it the more commonly considered option even when the drug class is being evaluated at all.
No scenario justifies self-prescribing vardenafil during pregnancy. If a partner's prescription, a leftover supply, or an old prescription is what is being considered, that is not a safe path. Dosing, timing, and individual medical history all factor into any clinical decision made by a qualified prescriber.
What Should You Do Instead?
If you were taking vardenafil for a legitimate underlying condition before pregnancy, the most important thing to know is that a safer alternative very likely exists. Many conditions can be managed with medications that have better-established pregnancy safety profiles.
Practical steps to take now:
- Talk to your OB-GYN before continuing, starting, or stopping any medication during pregnancy, including drugs originally prescribed for non-obstetric reasons.
- Bring your full medication list to every prenatal appointment, including supplements and anything taken irregularly.
- Do not rely on a pre-pregnancy prescription as a guide to what is safe now. Pregnancy changes how drugs behave in your body and what risks are acceptable.
- If you need a fast consultation, Doctronic offers free AI consultations and $39 video visits with licensed providers, with 99.2% treatment plan alignment with board-certified physicians, available any time of day.
The underlying condition that vardenafil was treating deserves attention and management. The goal is finding a safe path forward that protects both you and your pregnancy.
Frequently Asked Questions
There is no evidence confirming vardenafil is safe at any point in pregnancy, including the first trimester. Human safety data is essentially absent, and the first trimester is a critical period for fetal organ development, making avoidance the strongly recommended position.
A single accidental dose is unlikely to carry the same risk as ongoing use, but timing relative to fetal development matters. Contact your OB-GYN promptly to document the exposure, discuss your specific situation, and arrange any appropriate monitoring. Do not self-assess.
No direct evidence links vardenafil to miscarriage in humans. However, its effects on blood vessel tone could theoretically affect placental blood flow. The lack of large human studies means this risk cannot be ruled out or properly quantified at this time.
No PDE5 inhibitor, including sildenafil, tadalafil, or vardenafil, has been established as safe for routine use during pregnancy. These drugs were developed for men. A 2018 trial of sildenafil in pregnancy was stopped early due to serious fetal outcomes.
Pulmonary arterial hypertension in pregnancy is life-threatening and may require vasodilators under strict specialist supervision. Sildenafil is more studied in this context than vardenafil. Any such decision requires a multidisciplinary team, never self-prescribing.
The Bottom Line
Vardenafil during pregnancy is an open safety question leaning strongly toward avoidance. Human data is essentially absent, animal studies at high doses showed some fetal effects, and a major clinical trial of a closely related drug was halted early due to serious neonatal outcomes. Whether you took it accidentally, have an underlying condition it was treating, or are simply researching, the right move is a prompt conversation with a qualified clinician. Doctronic offers free AI consultations 24/7 and $39 video visits with licensed providers, with 99.2% treatment plan alignment with board-certified physicians, making it easy to get a real answer fast. This article is informational and is not a medical diagnosis. Confirm with a licensed clinician, especially for new, worsening, or high-risk symptoms.
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