PMDD: When Your Cycle Affects Your Mental Health More Than It Should
- Joannie Hambel
- Apr 24
- 5 min read
Updated: Jun 30
If this happens to you every month, you’re not imagining it
There are women who notice mild changes before their period.
And then there are women who feel like a completely different person.
They describe:
sudden anxiety or panic
irritability or rage that feels out of character
deep sadness or hopelessness
feeling overwhelmed by things they normally handle
wanting to withdraw from everything
And then, just as quickly as it came on…
It lifts.
And they’re left wondering what just happened.
If this sounds familiar, you may be experiencing Premenstrual Dysphoric Disorder (PMDD).
This is something I understand personally
Almost ten years ago, I was struggling with PMDD in a way that felt overwhelming and, at times, hopeless. There were periods where my thoughts became very dark, and I remember questioning why I felt so different from one week to the next.
At the time, I didn’t have an explanation for what was happening in my body.
Once I began to understand the underlying physiology—and approached it from a functional perspective—things started to change.
Not overnight. But consistently, in fact in one month. This isn't true for everyone, but I have noticed that in most patient, once we give the body what it needs, it balances itself.
That experience is part of why I approach this differently than traditional mental health. It is also why I become a Psychiatric Mental Health Nurse Practitioner (PMHNP). As nurses we are fundamentally called to see patients holistically and integrative psychiatry is exactly that.
PMDD is not “just hormones”
This is one of the most important things to understand.
PMDD is often described as a hormonal condition.
But in many cases, hormone levels are actually within normal ranges.
The issue is not just the hormones themselves.
It’s how your brain and body respond to them—and how your body processes them.
Quick recap: how your cycle works
Your hormones naturally shift throughout the month.
Estrogen rises before ovulation
Progesterone rises after ovulation
Both drop before your period
For many women, this transition is smooth.
For others, especially those with PMDD, this shift feels abrupt and intense.
Why PMDD happens
At its core, PMDD is a sensitivity.
Your nervous system is more reactive to normal hormonal changes.
This sensitivity is influenced by:
genetics
nervous system regulation
neurotransmitter balance
stress load over time
Two important genetic pathways involved are:
How estrogen plays a role
Estrogen is a stimulating hormone.
It increases serotonin and dopamine, which can improve mood—but also increase sensitivity in the nervous system.
For this reason, estrogen needs to be carefully balanced—not too low, but also not lingering too long.
Estrogen doesn’t just rise—it has to be cleared
This is a key piece that is often missed.
Your body doesn’t just make estrogen.
It has to process it and clear it out after it has done its job.
This happens in stages:
first through the liver
then through pathways like COMT that help inactivate and eliminate it
If this system is not working efficiently, estrogen can remain active in the body longer than it should.
How COMT affects estrogen levels
COMT plays a critical role in clearing estrogen after it has been processed by the liver.
If COMT is slower, this clearance process is less efficient.
This can lead to:
estrogen staying active in the system longer
a relative increase in estrogen activity over time
more stimulation of the nervous system
In practical terms, this can feel like:
increased anxiety
irritability or emotional intensity
feeling overstimulated or unable to “come down”
heightened sensitivity before your period
So while hormone levels may appear “normal,” the effective exposure to estrogen is higher because it is not being cleared as efficiently. And if you guessed that my COMT is slow-you'd be right.
Why symptoms show up before your period
In the days before your period:
estrogen and progesterone both drop
If your system has been exposed to higher or prolonged estrogen activity, this drop can feel abrupt.
And if progesterone (your calming hormone) is not strong enough to balance things out, your nervous system becomes more reactive.
This is when PMDD symptoms often peak.
How MTHFR contributes
Methylenetetrahydrofolate reductase (MTHFR) supports methylation, which is essential for:
detoxification
neurotransmitter production
hormone metabolism
If this pathway is under-supported:
estrogen clearance may be less efficient overall
stress tolerance may be lower
mood regulation may be more vulnerable
This can amplify the effects of a slower COMT pathway.
Why symptoms feel so intense
This is the part many women struggle to explain.
It’s not just feeling “off.”
It can feel like:
losing emotional control
reacting in ways that don’t feel like you
not recognizing your own thoughts or reactions
thoughts of self-harm or thinking the world would look better without you in it
And then after your cycle starts…
You feel like yourself again.
This pattern is not random.
This is not a personality issue
It’s not a lack of control. It’s not you being “too emotional.”
It’s your nervous system responding to:
hormonal changes
estrogen clearance patterns
and underlying biological sensitivity
What actually helps
Managing PMDD is not just about suppressing symptoms.
It’s about supporting the pathways involved.
This may include:
improving estrogen clearance
supporting COMT and methylation pathways
balancing estrogen and progesterone
stabilizing neurotransmitter function
strengthening nervous system regulation
addressing nutrient deficiencies
supporting sleep and stress resilience
How? Supplements, diet, exercise, and sometimes medications. But it is targeted and methodical based on your unique biological profile that is a result of your genetics and environment.
Why a root-cause approach matters
Many women are offered:
SSRIs
hormonal birth control
And for some, these help.
But for others, they don’t fully resolve the issue. One problem is about half the population has the gene that SSRIs work for.
And the main culprit, the underlying sensitivity, and the way hormones are being processed, has not been addressed.
You are not alone in this
PMDD is more common than many realize.
But it’s often misunderstood.
If you’ve felt dismissed or told to “just manage it,” that doesn’t mean your experience isn’t real.
It is.
And it’s explainable.
Work with me
If you recognize yourself in this pattern, there is a different way to approach it.
In my practice, we look at:
your genetic predisposition
how your body processes hormones
your nervous system
and how your system has been adapting over time
From there, we build a plan that supports your body—not just during your cycle, but consistently.
If you’re ready to feel more stable and understand what’s driving your symptoms, reach out to schedule a consultation.
PMDD is not random.
It’s a pattern.
And when you understand how your body processes estrogen—especially through pathways like COMT—you can finally start to change that pattern.
Disclaimer: This content is for educational purposes only and is not a substitute for personalized medical or psychiatric care. Individual needs vary. Please consult with a qualified healthcare provider before making changes to your treatment.
