If your doctor handed you a prescription and you’re now Googling drospirenone vs levonorgestrel at 11 p.m., you’re not alone. These are two of the most commonly prescribed progestins in combined oral contraceptives in the United States, and the safety differences between them are real, but smaller and more nuanced than the internet suggests.
The short answer? Both are FDA-approved and effective. But they have different side effect profiles, different blood clot risk signals, and they suit different bodies for different reasons.
Here’s what the evidence actually shows, and the practical questions worth bringing to your prescriber.
What Drospirenone and Levonorgestrel Actually Are
Both are synthetic progestins, the second hormone (alongside estrogen) in most combined birth control pills. They prevent pregnancy by suppressing ovulation, thickening cervical mucus, and thinning the uterine lining.
Levonorgestrel is the older of the two. It’s been around since the 1960s, it’s well-studied, and it’s the progestin in pills like Levora, Lutera, and Plan B emergency contraception. It’s chemically derived from testosterone, which matters for side effects.
Drospirenone is newer (approved by the FDA in 2001) and is the progestin in Yaz, Yasmin, and Slynd. It’s chemically related to spironolactone, a diuretic, which gives it some unique properties, and some unique risks.
Drospirenone vs Levonorgestrel: The Blood Clot Question
This is the headline issue. Combined hormonal contraceptives raise the risk of venous thromboembolism (VTE) compared to no contraception. The question is whether drospirenone raises it more than levonorgestrel does.
The data, frankly, has been argued about for fifteen years. A large BMJ study from 2015 of UK women found that pills containing drospirenone carried roughly a 1.5 to 1.8 times higher VTE risk than pills containing levonorgestrel. Absolute numbers are still small (around 9 to 12 clots per 10,000 women per year on drospirenone versus 6 per 10,000 on levonorgestrel), but the relative difference is consistent across multiple studies.
What that means in practice:
- For a healthy non-smoker under 35, both are reasonably safe.
- For someone with a personal or family history of clots, levonorgestrel is generally preferred.
- For smokers over 35, neither combined pill is appropriate.
- Obesity, recent surgery, and prolonged immobility all amplify clot risk on either pill.
The CDC’s Medical Eligibility Criteria is the document your prescriber is (or should be) checking against.
Side Effects Beyond Clots
This is where drospirenone vs levonorgestrel gets interesting, because the day-to-day experience can differ a lot.
Drospirenone tends to cause
- Less acne (it has anti-androgen activity, which is why Yaz is FDA-approved for acne)
- Less unwanted hair growth
- Less water retention and bloating
- Potentially elevated potassium levels, so it’s avoided in people with kidney, liver, or adrenal disease, or on potassium-sparing medications
Levonorgestrel tends to cause
- More acne or worsened acne in some users (the androgenic effect)
- More breakthrough bleeding in the first few cycles for some
- Fewer issues with potassium
- A more predictable, well-mapped side effect profile because it’s been around longer
In clinical practice, what I see most often is that patients with hormonal acne, PCOS, or PMDD prefer drospirenone, and they often feel noticeably better on it. Patients who want the most boring, well-understood option, or who have any cardiovascular risk factors, do better on levonorgestrel.
Cost and Access
Levonorgestrel pills are almost always cheaper. Generic versions have been around for decades and typically run $10 to $25 a month without insurance. Drospirenone generics now exist (generic Yaz, generic Yasmin), and prices have come down considerably, but brand-name Yaz can still run $100+ per month. Compare prices on generic drospirenone and levonorgestrel pills at edrugstore.com if cost is a deciding factor.
This matters because the "best" pill is the one you’ll actually take consistently. A perfect prescription you skip because of cost is worse than a decent prescription you take every day.
Who Should Avoid Each One
Both pills share standard combined-contraceptive contraindications: smokers over 35, history of clots or stroke, certain migraines with aura, uncontrolled hypertension, active liver disease, and known breast cancer. The ACOG practice bulletins lay these out in detail.
Drospirenone-specific cautions include kidney impairment, adrenal insufficiency, and concurrent use of ACE inhibitors, ARBs, potassium-sparing diuretics, or chronic NSAID use, all of which can drive potassium up. If you’re on a long list of medications, this is worth a careful pharmacist review. Speaking of medication interactions, if you’re also weighing options like vaginal estrogen versus oral HRT after menopause, the same logic of "match the hormone to the risk profile" applies.
Levonorgestrel doesn’t have the potassium issue, but the androgenic effects can be a dealbreaker for some patients, especially those already dealing with acne who’ve tried treatments like tretinoin or adapalene without lasting success. Hormonal acne sometimes only resolves when the underlying progestin gets switched.
So Which One Is Actually Safer?
The honest answer: it depends on your specific risk profile.
- If you have any clot risk factors, levonorgestrel is the safer choice.
- If you have acne, PCOS, PMDD, or significant bloating, drospirenone is often the better-tolerated choice and the safety difference is small in absolute terms.
- If cost matters, levonorgestrel wins on price.
- If you’re on medications that affect potassium or have kidney issues, levonorgestrel is safer.
Neither is universally "safer." They’re tools, and the right one is the one matched to your body, your health history, and your preferences.
The Bottom Line
The drospirenone vs levonorgestrel debate doesn’t have a single winner. Levonorgestrel has a slightly lower clot risk and a longer safety track record. Drospirenone has fewer androgenic side effects and is often gentler on skin and mood. Both prevent pregnancy effectively when taken consistently.
Talk to your prescriber about your personal and family history of blood clots, your kidney function, any medications you’re taking, and what side effects you’d most want to avoid. Ask your pharmacist to run an interaction check, especially if you’re on blood pressure medications or NSAIDs. The right pill is the one whose risk profile matches yours.
This article is for informational purposes only and is not medical advice. Always consult a licensed pharmacist or physician before starting, stopping, or changing any medication.
References
- U.S. Food and Drug Administration, approval history and labeling for drospirenone-containing contraceptives.
- BMJ 2015 study on hormonal contraceptives and VTE risk, comparative clot risk data across progestin types.
- CDC Medical Eligibility Criteria for Contraceptive Use, risk stratification guidance for prescribers.
- American College of Obstetricians and Gynecologists, clinical practice guidance on combined hormonal contraception.
Dr Steven Schlosser
Dr. Schlosser graduated from Lafayette College Phi Beta Kappa and attended Georgetown Medical School. He had 4 years of medical residency training at Tufts University in Boston in both Gynecology and Internal Medicine. He has had a spotless medical career for the past 40+ years and is Board Certified. Learn More