Is It PMDD, or Does My Mental Health Just Get Worse Before My Period?
Maybe you've noticed a pattern.
For most of the month, your anxiety feels manageable. You can use your coping skills, keep up with work, navigate relationships, and generally feel like yourself.
Then, seemingly out of nowhere, everything gets harder.
You feel more anxious. More irritable. More sensitive. Things that normally wouldn't bother you suddenly feel overwhelming. Maybe you start questioning your relationships, feel unusually critical of yourself, struggle to concentrate, or notice that your usual coping strategies aren't working quite as well.
Then your period starts and, a few days later, you find yourself thinking:
Wait... why do I feel fine again?
When this happens repeatedly, it is reasonable to wonder whether hormones are playing a role.
But experiencing mental health symptoms before your period does not automatically mean you have premenstrual dysphoric disorder, or PMDD. Sometimes an existing mental health condition simply becomes more difficult to manage during certain phases of the menstrual cycle.
Understanding the difference can be incredibly helpful.
First, What Is PMDD?
Premenstrual dysphoric disorder, or PMDD, is a cyclical disorder involving significant emotional, cognitive, behavioral, and sometimes physical symptoms that occur in relation to the menstrual cycle.
Symptoms typically emerge during the final week before menstruation, begin improving shortly after menstruation begins, and become minimal or absent following menstruation. For a diagnosis of PMDD, symptoms must also cause clinically significant distress or interfere with areas such as work, school, relationships, or everyday functioning (American Psychiatric Association, 2022).
PMDD can involve symptoms such as mood swings, irritability, depressed mood, anxiety or tension, difficulty concentrating, low energy, changes in sleep or appetite, feeling overwhelmed, and physical symptoms.
One of the most important pieces, though, is the pattern.
PMDD is not simply feeling worse before your period. There should be a clear cyclical relationship between symptoms and the menstrual cycle, which is one reason prospective daily symptom tracking across at least two symptomatic cycles is recommended when evaluating PMDD (American Psychiatric Association, 2022). Research supports prospective tracking because recalling symptoms after the fact does not always accurately capture their timing or severity (Bosman et al., 2016). PubMed Central (PMC)
But What If You Already Have Anxiety, Depression, or Another Mental Health Condition?
This is where things get interesting.
There is another phenomenon called premenstrual exacerbation, or PME.
With PME, symptoms of an existing mental health condition are present during other parts of the month but become significantly worse around the premenstrual phase.
PMDD and PME can therefore look similar from the outside, but the underlying pattern is different.
With PMDD, there is generally a distinct cyclical pattern in which symptoms become minimal or absent outside of the symptomatic portion of the cycle.
With PME, the underlying condition does not disappear.
Someone with generalized anxiety, for example, might experience anxiety throughout the month but notice a substantial increase before menstruation. Someone experiencing depression may have depressive symptoms throughout the month but experience a predictable worsening during the premenstrual phase.
Researchers have documented premenstrual worsening across several psychiatric conditions, although PME remains considerably less studied than PMDD (Nolan & Hughes, 2022; Schmalenberger et al., 2020). PubMed
So... Is It PMDD or PME?
Unfortunately, there usually isn't a single symptom that immediately tells us.
Instead, one of the most useful questions is:
What happens during the rest of the month?
Imagine two people who both experience intense anxiety, irritability, overwhelm, and difficulty concentrating during the week before menstruation.
The first person notices that these symptoms largely disappear during the rest of the cycle.
The second person realizes, I'm actually anxious most of the month. It just becomes significantly worse before my period.
Those patterns provide different clinical information.
This distinction also matters because PMDD diagnostic criteria specify that the symptoms should not merely represent an exacerbation of another mental health disorder (American Psychiatric Association, 2022).
That does not mean someone cannot have PMDD and another mental health diagnosis. Mental health is rarely that tidy. It means that figuring out the timing and pattern of symptoms matters when determining what might be going on.
What About PMS?
Then there is PMS, which makes the terminology even more confusing.
Premenstrual syndrome can involve emotional and physical symptoms associated with the menstrual cycle. PMDD involves a more specific constellation of symptoms and clinically significant distress or impairment.
The American College of Obstetricians and Gynecologists recognizes PMS and PMDD as premenstrual disorders and recommends considering the timing, severity, and functional impact of symptoms when evaluating them (American College of Obstetricians and Gynecologists [ACOG], 2023). ACOG
Having some irritability or feeling more emotional before your period does not automatically indicate a psychiatric disorder.
The question becomes how severe, consistent, and disruptive those symptoms are.
ADHD Can Make This Even More Confusing
For people with ADHD, this can become particularly difficult to untangle.
Difficulty concentrating, emotional dysregulation, overwhelm, forgetfulness, low frustration tolerance, and problems initiating tasks can overlap with symptoms people report premenstrually.
Some people with ADHD also report that their symptoms become more difficult to manage during particular portions of their menstrual cycle.
So if you have ADHD and suddenly find yourself thinking:
Why can't I get anything done this week?
Why is everything making me angry?
Why do I suddenly feel like none of my coping skills work?
...it may be worth looking at whether there is a recurring pattern.
It doesn't necessarily mean you have PMDD. It also doesn't mean your ADHD has suddenly become “worse.”
There may be multiple things happening at once.
Tracking Your Symptoms Can Help You See the Bigger Picture
This is one of those situations where tracking can be genuinely useful.
And no, you don't need to create an elaborate spreadsheet analyzing every thought you've had for the next six months.
A simple daily check in can be enough to start noticing patterns.
You might track your anxiety, mood, irritability, concentration, energy, sleep, emotional sensitivity, physical symptoms, and the first day of menstruation.
Over a couple of cycles, you may start seeing something that wasn't obvious before.
Perhaps there is a very distinct week when your mental health changes.
Maybe your anxiety exists all month but reliably spikes before menstruation.
Maybe symptoms don't actually correspond with your cycle as closely as you thought.
All of those observations provide useful information.
Prospective daily ratings are particularly important when PMDD is being considered because they can help distinguish a cyclical premenstrual disorder from an ongoing condition that becomes worse premenstrually (American Psychiatric Association, 2022; Bosman et al., 2016). PubMed Central (PMC)
You Don't Have to Figure Out the Diagnosis Yourself
If you've noticed that your mental health seems to change dramatically throughout the month, you don't have to decide on your own whether it is PMDD, PME, PMS, anxiety, ADHD, depression, or something else entirely.
It may be helpful to bring the pattern to both a mental health professional and a medical provider.
A therapist can help you understand your emotional and behavioral patterns, identify strategies for portions of the month when symptoms become more difficult, and address mental health concerns that exist outside of your menstrual cycle.
A medical provider can also evaluate whether additional medical or hormonal factors may be contributing.
Sometimes the most helpful realization isn't immediately knowing what to call it.
It's realizing:
This keeps happening. There is a pattern here. And maybe I don't have to keep being blindsided by it every month.
References
American College of Obstetricians and Gynecologists. (2023). Management of premenstrual disorders: ACOG clinical practice guideline no. 7. Obstetrics & Gynecology, 142(6), 1516–1533.
American Psychiatric Association. (2022). Diagnostic and statistical manual of mental disorders (5th ed., text rev.).
Bosman, R. C., Albers, C. J., de Jong, J., Batalas, N., Aan Het Rot, M., & Kuiper, G. G. (2016). Daily symptom ratings for studying premenstrual dysphoric disorder: A review. Journal of Affective Disorders, 189, 43–53.
Nolan, L. N., & Hughes, L. (2022). Premenstrual exacerbation of mental health disorders: A systematic review of prospective studies. Archives of Women's Mental Health, 25, 831–852. PubMed
Schmalenberger, K. M., Eisenlohr-Moul, T. A., Surana, P., Rubinow, D. R., & Girdler, S. S. (2020). Predictors of premenstrual impairment among women undergoing prospective assessment for premenstrual dysphoric disorder: A cycle level analysis. Psychological Medicine.