At a glance
- Progesterone drop lowers allopregnanolone, which calms the same brain receptor alcohol acts on.
- Cravings like this often ease if you wait them out instead of acting right away.
- Eating something and moving for a few minutes can take the edge off fast.
- If this happens every month, track it for two cycles to see if a pattern holds.
Strength of evidence
Limited evidence
No studies here test alcohol cravings directly. The mechanism draws on research into allopregnanolone and GABA-A receptor changes across the menstrual cycle, and on a trial of fatty food cravings in women with PMDD, so the alcohol-specific link is reasoned, not proven.
What can you do in the next 60 seconds?
If the urge feels loud right now, don't try to argue yourself out of it. Just put some distance between you and the drink.
Move the bottle out of the room, or out of the house if someone can help you. Decisions get easier once the object itself isn't in front of you.
Cold water on your wrists or face for 30 seconds is one of the techniques with some evidence for a hard moment like this, and it works faster than reasoning does.
Set a timer for 20 minutes. You're not promising yourself forever, just that you'll wait until it goes off before deciding anything. Urges like this often lose some of their grip once you've gotten a few minutes into something else.
If you can, text one person. You don't need to explain the whole thing. "Having a rough night, can you check in with me in a bit" is usually enough.
Where this sits in your cycle
PMS window The week before your period
What's happening in your body right now?
Craving alcohol before your period is tied to a real shift in brain chemistry in the days before you bleed, not weak willpower.
Progesterone drops in the week before your period, and so does its byproduct allopregnanolone, a chemical that calms the same brain receptor, GABA-A, that alcohol also acts on. Researchers studying premenstrual dysphoric disorder have found this receptor's sensitivity changes as allopregnanolone levels shift across the cycle (Journal of Neuroendocrinology, 2018). When the calming chemical your body makes falls, some brains look for a substitute, and alcohol can feel like a shortcut to a calm you're not getting enough of on your own.
You're probably not craving only alcohol. Cravings before your period can widen to include fatty or sweet food too. One trial in women with PMDD found they wanted more fatty food in the days before their period than after (Appetite, 1999).
If the pull feels bigger than this, more like you can't think past it, that stronger pattern can show up in PMDD cravings, where the same hormone shift triggers a sharper reaction.
How do you get through the next hour?
Once the first wave passes, the next hour is about giving your body something else to do.
Eat something real, not just coffee. Protein and fat take longer to digest and keep your blood sugar steadier, and a hunger dip can make any craving louder.
Move, even a little. A short walk, stretching, or pacing the kitchen while you talk to someone on the phone all work. Movement burns off some of the restlessness underneath the urge.
Try a few rounds of slow breathing if you have a quiet minute. Breathe in for four counts, out for six. A breathing timer can hold the count for you if your mind keeps wandering back to the drink. A glass of water alongside whatever else you're doing helps too, since thirst can feel a lot like a craving when you're already running low on sleep this week.
If none of that is landing and you still feel pulled toward it, this guide has more ways to bring your body down a notch when everything feels like too much. The goal isn't to get through the whole night, just this one hour.
What should you avoid doing right now?
A few things make this harder, not easier.
- Deciding alone at 3am. Whatever you decide at your lowest, loneliest hour will still be true in the morning, so it can wait a few hours too.
- Telling yourself this is just weakness. A craving shaped by hormone shifts isn't the same as a lack of willpower, and shame tends to make urges stronger, not weaker.
- Drinking on an empty stomach if you do decide to have one. Alcohol hits harder and faster without food in you.
- Using it to end a fight or go numb to a feeling underneath the urge. If there's a specific argument or feeling driving this, it's worth untangling separately, especially if you're in the middle of a PMDD episode.
Tonight doesn't have to be perfect. Just try not to make tomorrow harder than it needs to be.
How do you look after yourself afterwards?
However the night goes, what happens after matters more than the urge itself.
If you didn't drink, notice that you made it through. The urge usually passes if you wait it out, and getting through it once makes it a little easier to believe next time.
If you did drink, don't spend tomorrow punishing yourself for it. Eat, drink water, and rest if you can. One night doesn't undo anything, and shame tends to make the next craving worse, not weaker.
Either way, write down what happened while it's fresh: the time of day, what you'd eaten, what you were feeling right before the urge showed up. Patterns are easier to see on paper than in memory a week later.
Niyora is a PMS and PMDD support app. If you want somewhere to put the night down before you forget the details, Niyora's Moon lets you write what happened and see it from another angle once you're calmer.
When is it time to get more help?
If this is a one or two night thing each cycle and you can usually ride it out, that's a pattern worth knowing about yourself, not a problem to fix.
It's different if the urge shows up most months, feels bigger than you can manage alone, or you're drinking to get through a mood that otherwise feels unbearable. PMDD cravings can feel like a need that's hard to think past, not just a want.
A pattern like this is worth paying attention to before it gets harder to handle.
Track it for two cycles: the day it starts, how strong it feels, and whether you drink and how much. Bring those notes to a GP or gynecologist if the pattern holds. They can rule out other causes and talk through options, including treatments shown to help with premenstrual mood symptoms in some women.
From the research library
Research on mood swings
116 studies in the library look at mood swings in PMS and PMDD. They were published from 1971 to 2026, and each one is summarised in plain English.
116
studies, 1971 to 2026
How strong the studies are
- Strong study design
- 6
- Moderate study design
- 41
- Early or limited evidence
- 69
Study, 2026
How do women with PMDD process emotions differently in their brains?
Women with PMDD show increased activity in emotion-processing brain networks, especially during the luteal phase, and this baseline difference even appears in the follicular phase and relates to symptom severity.
Strong study design
Case-control study, 2026
Do women with PMS handle emotions differently at different times of the cycle?
Yes. Women with PMS tend to use emotion coping strategies that make symptoms worse (like dwelling on negative thoughts) and fewer strategies that help (like accepting difficult thoughts). These patterns change across the menstrual cycle.
Strong study design
Systematic review, 2025
Do people with PMDD and severe PMS have difficulties with emotion regulation?
People with PMDD and severe PMS may have difficulties identifying emotions and choosing how to handle them, particularly using rumination (replaying upset thoughts) in the late-luteal phase. Evidence remains limited.
Strong study design
Systematic review, 2025
Does teaching adolescent girls about their menstrual cycle and health help reduce period pain and PMS?
Yes. A systematic review of five good-quality studies shows that psychoeducation (structured teaching) significantly reduced period pain and PMS symptoms and improved emotional wellbeing in adolescent girls.
Strong study design
Randomised trial, 2007
Does paroxetine work better if taken daily or just during your luteal phase for PMDD?
Daily paroxetine had an 85% response rate and was most effective overall, while luteal-phase-only paroxetine worked equally well for irritability and mood swings but was weaker for depression and physical symptoms. This well-designed study provides reliable results.
Strong study design
Survey study, 1994
How many different ways do researchers measure PMS in clinical trials?
Researchers use many different measurement tools across studies. 65 different questionnaires were found in 350 trials of PMS drugs, making it hard to compare whether treatments actually work.
Strong study design
Questions people ask
Why do I crave alcohol before my period?+
Alcohol cravings before your period usually come from a drop in progesterone and its byproduct allopregnanolone, a brain chemical that calms the same receptor alcohol acts on. When that calming chemical falls, some brains look for a substitute. It's a hormone pattern, not a lack of willpower.
Is it normal to want to drink more right before my period?+
Wanting to drink more in the days before your period is common. Cravings often widen in that window to include fatty food, sugar and alcohol, as hormone and reward chemistry shift together. It doesn't mean something is wrong with you, and it usually eases once your period starts.
Does alcohol make PMS or PMDD symptoms worse?+
Alcohol can make PMS and PMDD symptoms worse the next day, since it disrupts sleep and can deepen low mood as it wears off. It won't fix the hormone shift driving the craving, and a hard mood paired with a hangover is usually a harder combination to manage.
How long does the urge to drink usually last?+
The urge to drink before your period usually eases if you wait it out rather than act on it right away. Eating something, moving, or talking to someone tends to shorten how long it lasts. It rarely stays this intense for a whole evening.
When should I worry about drinking before my period?+
See a doctor about drinking before your period if cravings come most months alongside a hard week of low mood, anger or anxiety, or if you're using alcohol to get through feelings that scare you. Track the pattern for two cycles and bring daily notes to a GP or gynecologist.
Sources
- 1.Food "cravings" and the acute effects of alprazolam on food intake in women with premenstrual dysphoric disorder, Appetite, 1999
- 2.Effects of GABA active steroids in the female brain with a focus on the premenstrual dysphoric disorder, Journal of neuroendocrinology, 2018