Can PMS cause depression?
Yes, PMS can cause depressed mood: sadness, hopelessness and crying are common symptoms in the days before a period. When that depression is severe and comes every cycle, it may be PMDD, a recognized depressive disorder. PMS can also make existing depression worse before periods, called premenstrual exacerbation. Both PMDD and PME are treatable.
If you have thoughts of harming yourself, please reach out now: call your local emergency number, or in the US call or text 988. In the UK, Samaritans are on 116 123. You don't have to wait for your period to pass.
Three ways the cycle and depression connect
| What it is | Key sign | |
|---|---|---|
| PMS with low mood | Depressed or teary days as part of PMS | Mild to moderate, lifts within a few days of bleeding |
| PMDD | Severe premenstrual mood disorder, listed under depressive disorders in the DSM-5 | Severe mood symptoms every cycle, gone in the week after your period |
| Premenstrual exacerbation (PME) | An existing condition, such as depression or anxiety, that worsens before periods | Symptoms all month, worse in the luteal phase |
Telling these apart matters because treatment differs. Read more in PMDD, PME and depression before your period.
Why PMS can bring depression
In the late luteal phase, estrogen and progesterone fall. In people whose brains are more sensitive to these normal changes, the drop affects serotonin and the calming GABA system, and mood can sink sharply. That's why SSRIs, which act on serotonin, can work within days for premenstrual depression, much faster than they usually do for other depression.
Risk is higher if you've had depression or anxiety before, have a family history of PMS, PMDD or mood disorders, or have lived through trauma or a lot of stress.
How to find out which it is
- Rate your mood every day for at least two cycles and mark your period.
- Look at the week after your period: are you mostly OK then? That points to PMS or PMDD.
- If you're low most of the month with a dip before your period, that points to PME.
- Take the record to a doctor. Our PMDD self-check helps you put it into words.
What helps
- Medical treatment: SSRIs (all month or just in the luteal phase), some combined pills, and CBT have good evidence.
- Exercise and sleep: regular aerobic exercise and steady sleep ease PMS mood symptoms.
- Planning: lighter days and support lined up for the time you're most at risk.
- Telling someone: a partner or friend who knows the pattern can check in on harder days.
Lulu learns how you usually feel in each phase and can give you a gentle heads-up before harder days. Its PMS chart exports as a CSV for your doctor.
Frequently asked questions
Is PMDD a type of depression?
It's classified as a depressive disorder in the DSM-5, but it's tied to the menstrual cycle. See is PMDD a mental illness.
Can PMS cause suicidal thoughts?
Severe premenstrual mood changes, especially PMDD, can include suicidal thoughts. Please get help right away: your local emergency number, or 988 in the US.
Does depression before my period mean I have depression?
Not necessarily. If you feel well the rest of the month, it's more likely PMS or PMDD. Tracking shows the difference.
Can perimenopause make PMS depression worse?
Yes, hormone swings in perimenopause can intensify premenstrual mood symptoms. See perimenopause mood swings.
Sources
- Cleveland Clinic: Premenstrual dysphoric disorder (PMDD)
- Office on Women's Health: Premenstrual syndrome (PMS)
- Yonkers KA, O'Brien PMS, Eriksson E. Premenstrual syndrome. The Lancet (2008)
- 988 Suicide & Crisis Lifeline
This page is for information only and isn鈥檛 medical advice. If something worries you, please talk to a doctor.
Keep reading
Premenstrual depression: feeling low before your periodPremenstrual depression is low mood that arrives before your period and lifts after. Why it happens, PMS vs PMDD vs PME, and what treatment helps.
PMDD: premenstrual dysphoric disorder, explained kindlyPMDD is a severe, cyclical mood condition tied to your period. What it is, why it happens, how it's diagnosed, what treatment helps, and where to get support.Premenstrual exacerbation (PME): when your cycle makes existing conditions worsePremenstrual exacerbation (PME) is when depression, anxiety, ADHD or another condition worsens before your period. How it differs from PMDD, and what helps.Why do I feel depressed before my period?Why do I feel depressed before my period? Falling hormones affect serotonin in sensitive brains. PMS, PMDD or depression getting worse, and what helps.PMDD test: a self-check before you talk to a doctorFree PMDD test: check your premenstrual symptoms against the pattern doctors look for, then learn how a real PMDD diagnosis works and what to bring.
PMDD treatment: options to discuss with your doctorPMDD treatment explained: SSRIs including luteal-phase dosing, the drospirenone pill, CBT, GnRH options and lifestyle steps, plus how to find the right care.