--- title: How to prevent PMS: what helps and what the evidence says description: How to prevent PMS fully isn't possible, but regular exercise, diet changes and cycle tracking can ease symptoms before they start each month. url: https://niyora.com/questions/how-to-prevent-pms/ --- - [Niyora](https://niyora.com/) - [Questions](https://niyora.com/questions/) - How to prevent PMS Question # How to prevent PMS There's no guaranteed way to prevent PMS, but regular exercise, diet changes, cutting back on alcohol, and tracking your cycle can make symptoms milder. For most people, PMS eases on its own once bleeding starts. PMDD doesn't respond the same way to lifestyle changes alone and often needs medical treatment. Updated 13 October 2026 Niyora editorial Mixed evidence Strength of evidence Mixed Trials disagree, or the effect is small. - None - Limited - Mixed - Moderate - Strong ## At a glance - No method prevents PMS completely, but exercise, diet changes and cutting back on alcohol can make it milder. - Aerobic exercise helps with pain, bloating, anxiety and irritability for many women, based on systematic reviews of randomized trials. - A low-fat, high-carbohydrate diet reduced breast tenderness and swelling in a six-month trial of 21 women. - PMS usually eases within a day or two of your period starting; if it doesn't, that pattern is worth tracking. - PMDD doesn't respond to lifestyle changes the same way PMS does, and often needs SSRIs, certain hormonal contraceptives or CBT, decided with a doctor. ## Strength of evidence Mixed evidence - None - Limited - Mixed - Moderate - Strong Exercise and diet changes have modest, mostly small-trial support for easing PMS. Hormonal treatments for PMS and PMDD have stronger randomized evidence, but choosing between them still needs a doctor's input. ## How to prevent PMS There's no way to prevent PMS completely. It comes from the normal hormone shift of ovulation, and most women who cycle notice some effect before their period. What you can change is how intense it feels. The habits with the best evidence behind them are **regular exercise**, cutting back on alcohol, and swapping some fat for complex carbohydrates. None of these cure PMS. They lower how hard bloating, breast tenderness, irritability and low mood land, cycle after cycle. What tends to help, based on current research: - Move most days. Walking, swimming or cycling eases pain, breast tenderness, anxiety and anger in women with PMS, according to a 2020 review of 17 studies (Complementary Therapies in Medicine). - Cut the fat, add the carbs. A six-month trial found less dietary fat and more complex carbs reduced breast tenderness and swelling (The Lancet, 1988). - Watch alcohol. Higher alcohol intake is linked to more severe premenstrual symptoms in survey data of working women (International Journal of Environmental Research and Public Health, 2021). - Track your cycle. Knowing your pattern lets you plan lighter days ahead of the drop. The [PMS calculator](https://niyora.com/tools/pms-calculator/) estimates your window from your last few cycles. ## When does PMS stop? PMS usually stops on its own, within a day or two of your period starting. Symptoms build in the week or two before bleeding, during the [luteal phase](https://niyora.com/luteal-phase/), then fall away as estrogen and progesterone bottom out and your period begins. For most women, that leaves a stretch of symptom-free days each month before the pattern starts again. If your symptoms don't ease once bleeding starts, or they're present most of the month, that pattern is worth tracking closely. It may point to something other than PMS, like premenstrual exacerbation of an existing condition. See [when PMS starts](https://niyora.com/questions/when-does-pms-start/) and [how long PMS lasts](https://niyora.com/questions/how-long-does-pms-last/) for the fuller timeline. Writing down your days, even roughly, is the fastest way to see your own pattern instead of guessing from memory. ## What does the research say? The strongest evidence for easing PMS points to the same few things across different studies. | Approach | What it does | Evidence | | --- | --- | --- | | Aerobic exercise | Eases pain, breast tenderness, anxiety and anger | Systematic reviews of RCTs (International Journal of Women's Health, 2022; Complementary Therapies in Medicine, 2020) | | Low-fat, high-carb diet | Reduced breast tenderness and swelling in one small trial | Single RCT, 21 women (The Lancet, 1988) | | Combined oral contraceptives | Can ease depressive and overall premenstrual symptoms | Network meta-analysis, 1205 women (American Journal of Obstetrics and Gynecology, 2021) | | Non-contraceptive estrogen patches or gel | Stops ovulation and the cyclical symptoms it drives | Cochrane review (2017) | | Lower stress, more sleep | Linked to milder menstrual pain; less direct evidence for PMS itself | Meta-analysis of risk factors (International Journal of Environmental Research and Public Health, 2022) | Most of these trials are small. The diet study had only 21 participants, and larger reviews often combine studies that used different symptom scales. Hormonal options have firmer trial evidence but still need a doctor's input on fit and risk. What the research says Treat the exercise and diet findings as promising, not proven. The evidence for hormonal treatments is stronger, but still calls for medical guidance on what fits you. ## Is it different for PMS and PMDD? Yes. PMS is common and eases on its own. PMDD is a diagnosis that needs a different approach, and lifestyle changes alone rarely cover it. | | PMS | PMDD | | --- | --- | --- | | What it is | Physical or emotional symptoms in the one to two weeks before a period | A DSM-5-TR and ICD-11 diagnosis: at least five symptoms, one a mood symptom | | How common | Very common; most cycling women notice some effect | PMDD affects about 3.2% of women across all studies with a confirmed diagnosis, and up to 7.7% when the diagnosis is provisional (Reilly et al., 2024, Journal of Affective Disorders) | | What helps | Exercise, diet changes, cutting back on alcohol | Often needs SSRIs (sometimes luteal-phase only), certain hormonal contraceptives, or CBT, decided with a doctor | | Cause | Normal hormone shifts of ovulation | A different brain reaction to normal hormone changes, not abnormal hormones themselves | PMDD has been linked to allopregnanolone, a hormone metabolite that rises in the second half of the cycle. In one small trial, blocking its rise at a high dose eased irritability, sadness and anxiety in women with PMDD (Neuropsychopharmacology, 2016). That's one mechanism study, not a treatment anyone can act on without medical guidance. If this pattern sounds closer to what you live with, start with [what is PMS](https://niyora.com/premenstrual-syndrome/) to see where your symptoms fit, or try the [quiz](https://niyora.com/quiz/) to see how much it's affecting you. ## What helps? When irritability or sadness lands hard before your period, you don't need to solve the whole month. You need the next twenty minutes. - Name what's happening. Saying to yourself, "this might be PMS," means you're not fighting your own reaction on top of the moment. - Leave the room if you're mid-argument. Tell the other person you need twenty minutes and that you'll come back. - Move, even briefly. A short walk or a few minutes of stretching can bring down the edge, based on exercise trial data (International Journal of Women's Health, 2022). - Write down what happened before you respond. Niyora is a PMS and PMDD support app. Its Moon feature lets you write what happened, see it from another angle, and draft a reply you can hold for twenty minutes before sending anything. None of this fixes the hormone shift behind the moment. It gives you a way through it without saying something you'll regret later. ## When should you talk to a doctor? If you've tried exercise, diet changes and tracking for a couple of cycles and nothing eases, that's useful information, not failure. Some symptoms need more than lifestyle changes, especially if they affect work, sleep or relationships, not just how you feel for a day or two. A doctor might discuss: - SSRIs, sometimes taken only in the luteal phase - Certain hormonal contraceptives - CBT (cognitive behavioral therapy) These are decided with a doctor based on your history, not something to start on your own. Bring two months of daily notes, even rough ones, to your appointment. That's what turns "maybe PMS" into something a doctor can actually assess. When to see a doctor If your symptoms take over a week of every month, or you have thoughts of hurting yourself, see a GP or gynecologist and bring two months of daily notes. ## Questions people ask Can you completely prevent PMS? + PMS can't be fully prevented, since it comes from the normal hormone drop before your period. Exercise, cutting back on alcohol, and eating less fat and more complex carbs can make symptoms milder, based on small trials and systematic reviews. When does PMS usually stop? + PMS usually stops within a day or two of your period starting, as estrogen and progesterone bottom out. Symptoms build during the one to two weeks before bleeding and ease once it begins. If yours don't ease, that pattern is worth tracking and mentioning to a doctor. Does exercise help prevent PMS? + Exercise doesn't prevent PMS outright, but aerobic exercise like walking, swimming or cycling eases pain, bloating, anxiety and anger for many women, according to systematic reviews of randomized trials. It's one of the better-supported options, though most trials are small. Is PMDD prevented the same way as PMS? + PMDD doesn't respond to lifestyle changes the same way PMS does. It's a diagnosis that often needs SSRIs, certain hormonal contraceptives, or CBT, decided with a doctor, since it reflects a different brain reaction to normal hormones, not symptoms lifestyle changes alone can prevent. Can diet changes prevent PMS symptoms? + Diet changes can ease some PMS symptoms rather than prevent them outright. A six-month trial found a low-fat, high-carbohydrate diet reduced breast tenderness and swelling. Cutting back on alcohol has also been linked to milder symptoms in survey data of working women. ## Sources - 1. [Effect of a low-fat high-carbohydrate diet on symptoms of cyclical mastopathy](https://doi.org/10.1016/s0140-6736(88)90684-8), Lancet (London, England), 1988 - 2. [5α-Reductase Inhibition Prevents the Luteal Phase Increase in Plasma Allopregnanolone Levels and Mitigates Symptoms in Women with Premenstrual Dysphoric Disorder](https://doi.org/10.1038/npp.2015.246), Neuropsychopharmacology : official publication of the American College of Neuropsychopharmacology, 2016 - 3. [Effect of exercise on premenstrual symptoms: A systematic review](https://doi.org/10.1016/j.ctim.2019.102272), Complementary therapies in medicine, 2020 - 4. [Premenstrual Symptoms and Work: Exploring Female Staff Experiences and Recommendations for Workplaces](https://doi.org/10.3390/ijerph18073647), International journal of environmental research and public health, 2021 - 5. [Factors Associated with the Prevalence and Severity of Menstrual-Related Symptoms: A Systematic Review and Meta-Analysis](https://doi.org/10.3390/ijerph20010569), International journal of environmental research and public health, 2022 - 6. [Efficacy of combined oral contraceptives for depressive symptoms and overall symptomatology in premenstrual syndrome: pairwise and network meta-analysis of randomized trials](https://doi.org/10.1016/j.ajog.2021.06.090), American journal of obstetrics and gynecology, 2021 - 7. [Non-contraceptive oestrogen-containing preparations for controlling symptoms of premenstrual syndrome](https://doi.org/10.1002/14651858.cd010503.pub2), The Cochrane database of systematic reviews, 2017 - 8. [Effect of Aerobic Exercises in Improving Premenstrual Symptoms Among Healthy Women: A Systematic Review of Randomized Controlled Trials](https://doi.org/10.2147/ijwh.s371193), International journal of women's health, 2022 Ask AI about this page Copy prompt ChatGPT ↗ Claude ↗ Perplexity ↗ Google AI Mode ↗ Grok ↗ On this page - [How to prevent PMS](#how-to-prevent-pms) - [When does PMS stop?](#when-does-pms-stop) - [What does the research say?](#what-does-the-research-say) - [Is it different for PMS and PMDD?](#is-it-different-for-pms-and-pmdd) - [What helps?](#what-helps) - [When should you talk to a doctor?](#when-should-you-talk-to-a-doctor) - [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 Condition What is PMS? Premenstrual syndrome, explained Guide All symptoms Question When does PMS start? Question How long does PMS last? Guide PMS calculator Guide Take the two-minute check Condition The luteal phase: what's happening in your body and mood