--- title: Generic Yaz: names, differences, and whether it works description: Generic Yaz is drospirenone and ethinylestradiol sold under other brand names, and here's whether it works the same for acne and PMDD symptoms. url: https://niyora.com/treatments/generic-yaz/ --- - [Niyora](https://niyora.com/) - [Treatments](https://niyora.com/treatments/) - Generic Yaz: names and differences Treatment # Generic Yaz: names and differences Generic Yaz contains the exact same two hormones as brand-name Yaz, drospirenone 3 mg and ethinylestradiol 20 mcg, in the same 24/4 pill pattern. Regulators require generics to match a brand's active ingredients and absorption, so they work the same way for contraception, acne, and PMDD symptoms. Only the inactive fillers and dyes can differ between generic manufacturers. Updated 13 October 2026 Niyora editorial Moderate evidence Strength of evidence Moderate Good studies point the same way, with some gaps. - None - Limited - Mixed - Moderate - Strong ## At a glance - Generic Yaz contains the same drospirenone 3 mg and ethinylestradiol 20 mcg as the brand, in the same 24 active/4 inactive pill pattern. - Regulators require generics to match a brand's active ingredients, strength, and absorption before approval, so the hormone effect is the same. - Only inactive ingredients, like fillers and dyes, can differ between generic manufacturers, and these rarely change how the pill works. - Trials behind PMDD and acne benefits used the branded formulation, but because the hormones are identical, generics are expected to work the same way. - If mood symptoms don't ease on any version of this pill, track two months of daily symptoms and bring them to a doctor. ## Strength of evidence Moderate evidence - None - Limited - Mixed - Moderate - Strong Drospirenone/ethinylestradiol has trial and review evidence for easing PMDD symptoms and moderate acne, with regulatory approval for both. Smaller add-on trials for premenstrual depression found no added benefit over placebo, though both trial arms improved. Generics aren't retested separately; approval relies on proving bioequivalence to the brand. Side by side Brand-name Yaz and Generic Yaz Active ingredients Brand-name Yaz Drospirenone 3 mg, ethinylestradiol 20 mcg Generic Yaz Same: drospirenone 3 mg, ethinylestradiol 20 mcg Also compared in the table below - Pill pattern - Inactive ingredients - Approved uses - Typical cost | Compared on | Brand-name Yaz | Generic Yaz | | --- | --- | --- | | Active ingredients | Drospirenone 3 mg, ethinylestradiol 20 mcg | Same: drospirenone 3 mg, ethinylestradiol 20 mcg | | Pill pattern | 24 active pills, 4 inactive pills | Same 24/4 pattern | | Inactive ingredients | Set by the brand's manufacturer | Can vary by generic manufacturer | | Approved uses | Contraception, PMDD, moderate acne | Same approved uses | | Typical cost | Usually higher | Usually lower | ## What is the generic version of Yaz? Yaz is a brand name for a birth control pill containing drospirenone 3 mg and ethinylestradiol 20 mcg, taken as 24 active pills followed by 4 inactive ones. The generic version contains the exact same two hormones, in the same doses, in the same 24/4 pattern. Once a brand's patent protection ends, other manufacturers can make and sell the same drug. They sell it under the chemical name, drospirenone and ethinyl estradiol, or under their own label rather than the name Yaz. Your pharmacy receipt might just read "drospirenone-ethinyl estradiol" with no brand name at all. The box looks different and the price is usually lower, but the hormone content inside is identical. If you want the background on what Yaz does and who it's prescribed for, [Yaz: what it is and whether it helps PMS](https://niyora.com/treatments/yaz/) covers that in full. ## Is generic Yaz the same as Yaz? Pharmacologically, yes. A generic drug has to contain the same active ingredients, at the same strength, in the same dosage form, and absorbed into your body at a comparable rate and amount. Regulators require this bioequivalence testing before a generic can be approved to stand in for a brand-name pill. This is the same standard used for generic versions of most common medications, not something specific to birth control. What can differ are the inactive ingredients: the fillers, binders, and dyes that hold the tablet together. These don't carry hormonal activity. For most women, switching from brand Yaz to a generic version changes nothing about how the pill works. A small number of women notice a difference after switching, usually tied to one of those inactive ingredients rather than the hormones themselves. If that happens to you, mention it to your pharmacist or doctor, since a different generic manufacturer's formula might sit better. ## Are generic Yaz pills as effective? For contraception and for moderate acne, generic drospirenone and ethinylestradiol pills work the same as brand Yaz, because approval for a generic depends on matching the brand's hormone delivery. The drospirenone/ethinylestradiol combination studied in trials is approved for contraception, and, in women who also choose it for contraception, for easing PMDD symptoms and moderate acne. The clinical trials behind that approval were run on the branded formulation. Generics aren't retested in their own PMDD or acne trials. Instead, they rely on proving they deliver the same amount of hormone into your bloodstream as the brand does. That's the basis for calling them equally effective, not a separate trial on the generic pill itself. For most women, this is a reasonable basis. If you've been stable on brand Yaz for acne or cycle symptoms, a generic switch is unlikely to change your results. ## Does generic Yaz help PMDD the same way? Drospirenone and ethinylestradiol, the two hormones in both brand and generic Yaz, have been studied for PMDD specifically. A 2007 review of drospirenone/ethinylestradiol trials (Drugs, 2007) found the 24/4 regimen improved emotional and physical PMDD symptoms over three treatment cycles, alongside its contraceptive effect. Two small trials (2007, 2017) tested it as an add-on in women with an existing depressive disorder whose symptoms flare before their period, a pattern called premenstrual exacerbation rather than PMDD itself. In both, symptoms improved, but the drug didn't outperform placebo on the main measure. Because generic versions carry identical active hormones, the mechanism behind any improvement, drospirenone's antimineralocorticoid and antiandrogenic effects, should carry over. No study has separately retested a specific generic brand for PMDD, but none would be expected to behave differently given they contain the same drug at the same dose. Niyora is a PMS and PMDD support app. If you're partway through a cycle on a new generic and want to track mood day by day rather than relying on memory, Niyora's Moon lets you write down what happened, see it from another angle, and calm down before you decide what to say. For more on the hormone itself, see [Yaz for PMDD: does it work?](https://niyora.com/treatments/yaz-for-pmdd/) and [birth control for PMDD](https://niyora.com/treatments/birth-control-for-pmdd/). What the research says One review of drospirenone/ethinylestradiol trials for PMDD noted a sizeable placebo response, meaning part of the improvement women reported wasn't from the drug alone. ## How do generic brands of Yaz differ? Generic drospirenone/ethinylestradiol pills differ from each other mainly in three places: manufacturer, inactive ingredients, and price. - **Manufacturer**: multiple pharmaceutical companies can make the same generic once patent exclusivity ends, so your pharmacy might stock a different one month to month. - **Inactive ingredients**: fillers, binders, lactose, and dyes vary by manufacturer. These don't affect the hormone dose but can occasionally cause a different reaction in someone sensitive to a specific filler. - **Price**: generics are typically cheaper than the brand, which is often the main reason a pharmacy substitutes one. The pill's shape, color, and packaging can also change between brands and even between refills of the same generic, which sometimes makes people worry the dose has changed when it hasn't. If you notice new side effects after a pharmacy switch, it's worth checking which generic you were given and comparing against [Yaz side effects, including mood](https://niyora.com/treatments/yaz-side-effects/) and confirming the schedule matches [Yaz dosage: how much and when](https://niyora.com/treatments/yaz-dosage/). ## When to check in with a doctor Switching to a generic isn't usually something that needs a doctor's visit on its own, since the hormones are the same. But if your mood symptoms don't improve, or they get worse after starting any version of this pill, that's worth tracking and raising with whoever prescribed it. If low mood, anxiety, or irritability before your period takes up a week of every month, or you have thoughts of hurting yourself, see a GP or gynecologist and bring two months of daily notes. That record, generic or brand, active ingredient and dose, helps a doctor tell whether the pill is working, whether PMDD fits what you're describing, or whether something else needs attention. For a wider look at what's behind these symptoms, see [What is PMS? Premenstrual syndrome, explained](https://niyora.com/premenstrual-syndrome/). From the research library ## Research on the pill 490 studies in the library look at the pill in PMS and PMDD. They were published from 1970 to 2026, and each one is summarised in plain English. 490 studies, 1970 to 2026 How strong the studies are Strong study design 54 Moderate study design 167 Early or limited evidence 269 - [Systematic review, 2026Does continuous paroxetine or birth control work better for PMDD?Both antidepressants and birth control pills are effective for PMDD. Continuous paroxetine (an antidepressant) and DROS/EE 24/4 (a specific birth control) showed the strongest effects in studies reviewed, though the evidence comes from relatively few studies.Strong study design](https://niyora.com/research/papers/comparison-of-premenstrual-dysphoric-disorder-treatment-with-antidepressants-and-2026/) - [Cohort study, 2026Does sleeping longer improve mood and fitness in elite athletes?Yes. Sleeping longer was linked to better mood and fitness across all athletes, regardless of menstrual cycle status. Sleeping less than 8 hours was linked to below-average mood and fitness.Strong study design](https://niyora.com/research/papers/sleep-duration-impact-on-sleep-quality-mood-and-fitness-in-elite-athletes-with-a-2026/) - [Randomised trial, 2025Does mood, well-being, and sexual function change across the menstrual cycle?No, there were no meaningful changes in sexual function, mood, or well-being across menstrual cycle phases in healthy young women. Being in a stable relationship predicted better sexual function overall, but cycle phase did not.Strong study design](https://niyora.com/research/papers/associations-between-menstrual-cycle-phases-and-sexuality-well-being-and-mood-in-2025/) - [Cohort study, 2025Are irregular menstrual cycles linked to lower thinking and memory skills in middle-aged women?Yes. Women with irregular cycles at ages 29-46 and women with very short cycles (25 days or less) at ages 18-22 both had slightly lower memory scores later in life.Strong study design](https://niyora.com/research/papers/menstrual-cycle-characteristics-across-the-reproductive-lifespan-and-cognitive-2025/) - [Randomised trial, 2024Does estetrol/drospirenone birth control improve PMS symptoms?Yes. Women who started this birth control experienced significant improvements in pain, bloating, and negative mood symptoms. Women already on other birth control saw minimal improvements.Strong study design](https://niyora.com/research/papers/effects-of-e4-drsp-on-self-reported-physical-and-emotional-premenstrual-and-2024/) - [Systematic review, 2024What are the best treatments for PMDD and PMS?SSRIs (antidepressants) and combined oral contraceptives (birth control pills) have the strongest evidence. For difficult cases, GnRH agonists and surgery work. Some alternatives like acupuncture and yoga show promise but need better quality research.Strong study design](https://niyora.com/research/papers/management-of-premenstrual-dysphoric-disorder-a-scoping-review-2024/) ### Clinical trials - [Oral Contraceptives for Treating Premenstrual Dysphoric Disorder in Bipolar DisorderCompleted, Canada](https://niyora.com/research/trials/oral-contraceptives-for-treating-premenstrual-dysphoric-nct05098574/) - [Different Does of Acupuncture on Premenstrual Syndrome Efficacy AnalysisStatus unknown, Taiwan](https://niyora.com/research/trials/different-does-of-acupuncture-on-premenstrual-syndrome-nct04296422/) - [Does Adding Oral Contraceptives to Fluoxetine Improve the Management of Premenstrual Syndrome?Status unknown, Egypt](https://niyora.com/research/trials/does-adding-oral-contraceptives-to-fluoxetine-improve-the-nct02562053/) [See all 490 studies on oral contraceptives and drospirenone](https://niyora.com/research/topics/treatment-hormonal-contraceptives/) ## Questions people ask What is the generic name of Yaz birth control? + Yaz's generic name is drospirenone and ethinylestradiol, taken as 24 active pills followed by 4 inactive ones, at 3 mg and 20 mcg (24/4 regimen). Pharmacies may sell it under this chemical name or under a different manufacturer's label, but the hormones and doses stay the same. Is generic Yaz as effective as brand Yaz for acne? + Generic Yaz should work the same for acne as the brand, since the drospirenone/ethinylestradiol combination is approved for moderate acne in women who also want contraception, and generics must deliver the same hormone dose as the brand to earn approval. Can I switch between brand Yaz and a generic without extra steps? + Pharmacies commonly substitute a generic for brand Yaz automatically, since regulators consider them equivalent, so you don't usually need a new prescription. If you notice new side effects after a switch, mention which generic you received to your doctor or pharmacist. Do generic Yaz pills look different from the brand? + Generic Yaz pills often differ in shape, color, and packaging from brand Yaz, and can change again if your pharmacy switches manufacturers. This doesn't mean the dose changed. The active hormones, drospirenone 3 mg and ethinylestradiol 20 mcg, stay the same across generics. Does generic Yaz help PMDD symptoms? + Generic Yaz should help PMDD symptoms the same way brand Yaz does, since trials showing improvement in PMDD's emotional and physical symptoms tested the same drospirenone/ethinylestradiol combination generics contain. Give any version a few cycles and track daily symptoms rather than judging from memory alone. ## Sources - 1. [Treatment of Premenstrual Breakthrough of Depression With Adjunctive Oral Contraceptive Pills Compared With Placebo](https://doi.org/10.1097/jcp.0000000000000761), Journal of clinical psychopharmacology, 2017 - 2. [Safety, efficacy, actions, and patient acceptability of drospirenone/ethinyl estradiol contraceptive pills in the treatment of premenstrual dysphoric disorder](https://doi.org/10.2147/ijwh.s4338), International journal of women's health, 2010 - 3. [Treatment of premenstrual worsening of depression with adjunctive oral contraceptive pills: a preliminary report](https://doi.org/10.4088/jcp.v68n1218), The Journal of clinical psychiatry, 2007 - 4. [Drospirenone/ethinylestradiol 3mg/20microg (24/4 day regimen): a review of its use in contraception, premenstrual dysphoric disorder and moderate acne vulgaris](https://doi.org/10.2165/00003495-200767120-00007), Drugs, 2007 Ask AI about this page Copy prompt ChatGPT ↗ Claude ↗ Perplexity ↗ Google AI Mode ↗ Grok ↗ On this page - [What is the generic version of Yaz?](#what-is-the-generic-version-of-yaz) - [Is generic Yaz the same as Yaz?](#is-generic-yaz-the-same-as-yaz) - [Are generic Yaz pills as effective?](#are-generic-yaz-pills-as-effective) - [Does generic Yaz help PMDD the same way?](#does-generic-yaz-help-pmdd-the-same-way) - [How do generic brands of Yaz differ?](#how-do-generic-brands-of-yaz-differ) - [When to check in with a doctor](#when-to-check-in-with-a-doctor) - [Research](#research) - [Questions](#faq) Niyora PMS & PMDD support For the hard moment before your period. Private, no account. [Get it on iPhone](https://apps.apple.com/app/niyora-pms-emotions/id6764561688) ## Keep reading Treatment Yaz birth control: what it is and whether it helps PMS Treatment Yaz for PMDD: does it work? Treatment Yaz side effects, including mood Treatment PMS treatment: what actually helps Condition What is PMS? Premenstrual syndrome, explained