Do men have hormonal cycles?

No, not in the way women do. Men's main sex hormone, testosterone, rises and falls over a single day: it's highest shortly after waking and lowest by evening. That's a daily rhythm, not a monthly one.

Women's cycles work differently. Estrogen and progesterone rise through the first half of the cycle, peak around ovulation, then fall during the luteal phase, the one to two weeks before a period. That fall, not a flat low level, is what triggers PMS and, for some, PMDD. Men's testosterone doesn't have this four-week rise-and-fall pattern, so there's no male process that maps onto a woman's cycle.

Some men do notice mood or energy swings, but these usually track stress, sleep, or life events rather than a predictable hormone drop every four weeks. If you're asking because someone in your life has PMS or PMDD and you're trying to understand what's happening to her, the short answer is that her hormones are doing something real and specific that yours don't do.

No. PMS, premenstrual syndrome, is physical or emotional symptoms in the one to two weeks before a period that ease once it starts. It's tied to the hormone fall described above. Men don't have periods, so there's no premenstrual week to define it against.

You might hear 'period mood swings' or 'hormonal mood swings' used loosely to describe a man's bad week, but it's not the same mechanism, and it isn't a recognized medical condition. If a man has mood swings, the more useful questions are about his sleep, workload, drinking, or testosterone levels checked by a doctor, not an imagined monthly cycle.

This distinction matters in relationships. Treating a partner's PMS or PMDD as 'everyone gets moody sometimes' minimizes something with a real hormonal cause and a predictable pattern. Her symptoms repeat roughly every cycle and ease within days of her period starting. Knowing when PMS typically starts can help you tell the difference between a pattern and a bad day.

Most research on hormone cycles and behavior focuses on women. A 2015 systematic review of smoking studies found women report more nicotine withdrawal in the luteal phase than earlier in the cycle. A 2023 systematic review found premenstrual symptoms and cycle disorders are common among female athletes who don't use hormonal contraceptives, a reminder that these patterns show up across many areas of women's lives, including sports (https://doi.org/10.1007/s40279-023-01871-8). A 2021 systematic review of alcohol use across the menstrual cycle found inconsistent results, with some studies linking drinking to cycle phase and others finding no link, and the authors said more research is needed before any pattern can be confirmed (https://doi.org/10.3389/fgwh.2021.745263).

There isn't a matching body of research on a male hormone cycle, because testosterone doesn't rise and fall on a four-week schedule the way estrogen and progesterone do. That gap reflects a real biological difference: testosterone runs on a daily rhythm, while estrogen and progesterone run on a monthly one. If you want to understand what's actually changing in a cycle, the evidence points to women's hormones, not men's, as the thing that shifts predictably month to month.

Yes, and it's worth keeping them separate. PMS is common: physical or emotional symptoms in the one to two weeks before a period that ease once it starts. PMDD is a specific diagnosis in the DSM-5-TR and ICD-11, requiring at least five symptoms, including a mood symptom such as rejection sensitivity, irritability, low mood, or anxiety, confirmed by daily tracking over at least two cycles.

PMDD affects about 1.6% of women and girls when confirmed this way, and about 3.2% on a provisional diagnosis (Reilly et al., 2024). It isn't caused by abnormal hormone levels. Schmidt et al. (1998) and Dubey et al. (2017) found that people with PMDD react differently to the same normal hormone changes everyone with a cycle goes through.

Neither PMS nor PMDD has a recognized male counterpart. Men can have hormone-related conditions, low testosterone for example, but these don't follow the same monthly pattern and aren't diagnosed the same way. If you want a quick sense of how much PMS might be affecting you, that's a reasonable first step before deciding whether to track for two months.

If you're in a hard moment tonight, whether it's PMS, PMDD, or you're supporting someone who has it, a few things actually help.

• Name what's happening out loud: 'This feels like the week before my period,' or 'I notice this gets harder for you around this time.'
• Leave the room if things are escalating. Say you need 20 minutes and that you'll come back to finish the conversation.
• Track symptoms against the calendar for two cycles. The PMS calculator can help you estimate when your next window might start, so you can watch for the pattern.
• Avoid framing a man's mood swings as the same thing. Comparing them flattens a real, trackable biological pattern into something vague.

Niyora is a PMS and PMDD support app. If you want somewhere to put a fight before you answer, Niyora's Moon lets you write what happened, see it from another angle, and calm down before you draft a reply you can hold for 20 minutes.

If premenstrual symptoms take up a week of every month, affect work or relationships, or come with thoughts of hurting yourself, see a GP or gynecologist and bring two months of daily notes on your symptoms and where they fall in your cycle. That tracking turns 'I think this is hormonal' into something a doctor can actually diagnose and treat.

For men, persistent mood changes, low energy, or low libido are worth raising with a doctor too, but the workup looks different. It usually starts with a blood test for testosterone and a review of sleep, stress, and alcohol use, not a hormone cycle chart.

Guidelines recommend treatments like SSRIs, which can work for PMDD even when taken only in the luteal phase, certain hormonal contraceptives, and CBT, but a doctor decides what's right based on your history. The ideas above can help in the moment. They aren't treatment, and they're not a substitute for a diagnosis if the pattern is severe.