Is It Your Mental Health — or Your Hormones? Why the Answer Is Usually Both

May 20

By Dr. Stephanie Zwonitzer, DNP | Revive Institute of Sexual Health | May 2025

Every May, the conversation around mental health gets louder — and that matters. Awareness saves lives. It reduces stigma. It encourages people to seek help who might otherwise stay silent.

But there is a conversation that rarely gets folded into Mental Health Awareness Month, one that I think is long overdue: the role that hormones play in mental health, and the striking degree to which undiagnosed or undertreated hormonal imbalances can look, feel, and behave exactly like psychiatric conditions.

This is not a fringe idea. The science is well-established. What's missing is the clinical integration — a healthcare system that actually looks at both when someone walks in saying they don't feel like themselves.

At Revive Institute of Sexual Health, this is the work we do every day. And in honor of Mental Health Awareness Month, I want to give you the clearest picture I can of how these systems interact — and what it means for your care.

Hormones Are Neurological Regulators

Most people think of hormones in terms of reproduction — estrogen and progesterone for women, testosterone for men. But every major hormone in the body has neurological effects. They cross the blood-brain barrier. They bind to receptors throughout the brain. They regulate the production and function of neurotransmitters.

Here is a snapshot of how significant that influence is:

Estrogen enhances serotonin activity and supports dopamine signaling. When estrogen drops — whether from perimenopause, hormonal contraceptives, postpartum changes, or other causes — mood instability, anxiety, and depressive symptoms often follow.
Progesterone is a natural anxiolytic. It converts to a neurosteroid called allopregnanolone, which activates GABA receptors — the same pathway targeted by anti-anxiety medications. Low progesterone can manifest as persistent anxiety, irritability, sleep disruption, and emotional dysregulation.
Testosterone affects drive, motivation, confidence, and cognitive clarity in all genders. Low testosterone is strongly associated with depression, fatigue, and diminished sense of self — in men and women alike.
Cortisol, the body's primary stress hormone, reshapes the brain with chronic elevation. It impairs hippocampal function, disrupts memory and learning, and is closely tied to both anxiety disorders and major depressive disorder.
Thyroid hormones regulate the metabolic rate of every cell in the body, including brain cells. Hypothyroidism — even subclinical hypothyroidism — is one of the most commonly missed contributors to depression, brain fog, and fatigue.

Hormones don't just affect how your body feels. They directly shape how your brain thinks, regulates emotion, and experiences the world.

When Hormonal Imbalance Looks Like Mental Illness

This is where it gets critical — and where the healthcare system most frequently fails patients.

The symptoms of hormonal imbalance and the symptoms of common psychiatric conditions are often indistinguishable on the surface. Low mood, anxiety, brain fog, sleep disruption, fatigue, emotional instability, loss of motivation, difficulty concentrating — these appear on both lists.

When a patient walks into a primary care office with those symptoms, the standard workup rarely includes a comprehensive hormonal panel. They may be screened for depression or anxiety, offered a referral to therapy, or started on an antidepressant. All of those things may be appropriate — but if the underlying hormonal driver is never identified, the treatment addresses the symptoms without resolving the cause.

I have seen this pattern repeatedly in my practice. Patients who have been in therapy for years, tried multiple medications, and still don't feel right. When we run a thorough hormonal evaluation, the picture becomes considerably clearer — and the path forward changes.

That is not a criticism of mental health treatment. Therapy and psychiatric medication are genuinely valuable and often necessary. But they work best when the full biochemical picture has been considered alongside them.

The Overlap Is Most Visible at Hormonal Transitions

The connection between hormones and mental health becomes most visible at the moments of greatest hormonal change — and those moments are underrecognized as mental health risk periods.

Perimenopause and menopause are associated with significantly elevated rates of depression and anxiety, even in people with no prior psychiatric history. The hormonal turbulence of this transition is a direct neurological event, not simply a psychological response to aging.
The postpartum period involves one of the most rapid hormonal shifts in human physiology. Postpartum depression and anxiety are not signs of weakness or poor maternal bonding — they are predictable consequences of dramatic hormonal withdrawal, often compounded by thyroid dysregulation.
Andropause — the gradual testosterone decline in aging men — is one of the most overlooked contributors to male depression. Men are rarely told that declining testosterone can cause them to feel emotionally flat, unmotivated, and withdrawn.
Premenstrual dysphoric disorder (PMDD) is a condition in which normal cyclical hormonal fluctuations trigger severe mood disturbance. It is frequently misdiagnosed as a mood disorder and treated accordingly, when the hormonal underpinning is central to the diagnosis.

Normal Is Not the Same as Optimal

One of the most important things I tell my patients is this: being told your labs are "normal" is not the same as being told your hormones are optimized for how you feel and function.

Standard reference ranges are built to identify disease states, not to define optimal health. A testosterone level of 280 ng/dL in a man technically falls within the normal range — but for someone who previously functioned at 650, it represents a significant decline that will affect mood, energy, and cognitive function meaningfully.

This nuance is lost in most conventional workups. Providers glance at whether values fall within the reference range and move on. Patients are told they are fine when they are very much not.

Optimal hormone management requires looking at your numbers in the context of your symptoms, your history, and your goals — not just against a population average.

"Your labs are normal" is not a complete answer. Normal range and optimal function are not the same thing — and you deserve to understand the difference.

What a Whole-Person Evaluation Actually Looks Like

At Revive, a comprehensive initial consultation includes a thorough review of symptoms, health history, and goals alongside laboratory evaluation that goes well beyond a standard panel. We look at sex hormones, adrenal function, thyroid markers, and more — and we interpret them in the context of the full clinical picture.

We also talk about mental health. Not because we practice psychiatry, but because it is impossible to evaluate hormonal health without understanding the psychological terrain a person is navigating. These systems do not exist in isolation, and neither should the conversation about them.

If you are already working with a therapist, a psychiatrist, or a primary care provider, we work alongside that care — not instead of it. Often the most meaningful progress happens when multiple pieces are being addressed simultaneously by providers who are each doing their part.

When to Consider a Hormonal Evaluation

Consider reaching out for a hormonal evaluation if any of the following resonates:

You have been experiencing depression or anxiety that hasn't fully responded to therapy or medication.
Your mood symptoms are cyclical or seem to worsen at predictable times of the month.
You are in perimenopause, postpartum, or have noticed mood changes coinciding with hormonal shifts.
You have been told your labs are normal but you still don't feel right.
You are experiencing fatigue, brain fog, low libido, or weight changes alongside mood symptoms.
Your gut tells you this is more than purely psychological — and no one has taken that seriously yet.

The Takeaway

Mental health awareness matters deeply. And part of what it means to take mental health seriously is expanding what we evaluate when someone is struggling. Hormones are not a peripheral consideration — they are central to how the brain regulates mood, cognition, and emotional resilience.

You deserve a provider who looks at the whole picture. Not just the psychological piece, and not just the physical piece — but both, together, as the interconnected system they actually are.

Dr. Stephanie Zwonitzer, DNP is the founder of Revive Institute of Sexual Health, a concierge telehealth practice in Maryland specializing in hormonal imbalances and sexual health. She hosts the Between the Sheets podcast, released every Wednesday.
Book your initial consult at reviveish.com/book.

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