Hormone Testing After 40: What Actually Helps Depression and Anxiety

Three antidepressants after 40 should make someone ask what changed in the body.

Not just serotonin. Not just stress. The body.

I see this pattern often enough that I do not call it "treatment-resistant depression" until I know what sleep, thyroid, ferritin, B12, vitamin D, medication history, cycle pattern, and menopause symptoms are doing.

Hormones can be part of that investigation. They are not always the whole answer.

That distinction matters.

The Fast Answer

• Perimenopause can look like depression, anxiety, panic, insomnia, ADHD worsening, or burnout.
• For otherwise healthy people age 45 and older, menopause and perimenopause are usually identified by symptoms and menstrual history, not by routine hormone labs.
• FSH, estradiol, and progesterone can swing around during perimenopause. A single blood draw may not explain the month.
• I still check labs when the story does not fit, symptoms start early, periods are hard to interpret, or treatment decisions depend on the result.
• Psychiatric symptoms after 40 deserve a medical workup. That does not mean every patient needs the same hormone panel.

What It Looks Like

A 46-year-old woman comes in saying Lexapro helped for three months, then stopped. She is sleeping four hours a night. Her period is now every 23 days, sometimes every 41. She wakes up hot at 3 AM and calls it panic because her heart is pounding.

That may be panic disorder.

It may also be perimenopause, thyroid disease, iron deficiency, sleep apnea, medication activation, alcohol rebound, or all of it stacked together.

This is where psychiatry gets sloppy. The patient gets another SSRI trial before anyone asks whether her cycle changed.

I ask.

Hormone Labs Are Not a Menopause Diagnosis

The current NICE menopause guidance is clear: in otherwise healthy people age 45 or older with menopause-associated symptoms, identify perimenopause and menopause without confirmatory lab tests. Their quality statement says hormone levels fluctuate during perimenopause and usually do not change management.

That does not mean labs are useless.

It means labs should answer a question.

If a 52-year-old has hot flashes, night sweats, irregular periods, new insomnia, and mood changes, I do not need an estradiol level to believe the symptom pattern. I need to know whether anything else is contributing and whether treatment is safe.

If a 39-year-old has skipped periods and new depression, that is different. If someone has had a hysterectomy but still has ovaries, that is different. If hormonal contraception is masking bleeding patterns, that is different. If symptoms are severe, early, atypical, or medically complicated, labs can help.

The test follows the clinical question.

What I Check First

When mood falls apart in midlife, I start with the pattern.

I want to know:

• When symptoms started.
• Whether periods changed.
• Whether sleep changed before mood changed.
• Whether hot flashes, night sweats, vaginal dryness, joint pain, migraines, or palpitations showed up.
• Whether anxiety is physical, cognitive, or both.
• Whether alcohol, cannabis, stimulants, steroids, thyroid medication, or antidepressant changes are involved.
• Whether there is a history of postpartum depression, PMDD, bipolar disorder, clotting disorder, breast cancer, abnormal bleeding, migraine with aura, or liver disease.

That history tells me where to look.

Then I check the medical basics that psychiatry misses too often.

The usual lab set is not glamorous. CBC. CMP. TSH with free T4 when indicated. Ferritin plus iron studies. B12. Folate. Vitamin D. A1c. Lipids. Sometimes CRP, magnesium, pregnancy testing, prolactin, testosterone, or additional thyroid markers depending on the story.

Sex hormones come later unless the history points there.

When FSH, Estradiol, and Progesterone Help

I consider hormone testing when the result would change the next step.

That can include:

• Symptoms before age 45, especially before 40.
• Irregular or absent periods where premature ovarian insufficiency is possible.
• Prior hysterectomy, because menstrual timing is no longer available.
• Hormonal contraception that hides the pattern.
• Atypical symptoms where thyroid disease, PCOS, hyperprolactinemia, pregnancy, or another endocrine issue is possible.
• A gynecology or menopause specialist asking for specific labs before a treatment decision.

I am more cautious with random "day 21 progesterone" testing in perimenopause. Ovulation gets inconsistent. A low value may tell you that cycle was anovulatory, not that you have a clean, permanent progesterone deficiency that explains every symptom.

That does not mean progesterone never matters. It means the interpretation has to be tied to the cycle and the patient in front of you.

What Perimenopause Can Do to Mood

Estrogen and progesterone affect sleep, temperature regulation, serotonin signaling, GABA activity, and stress response. So when ovarian signaling becomes erratic, the brain feels it.

The patient does not usually say, "My estradiol variability is destabilizing my sleep architecture."

She says:

• I wake up at 3 AM and cannot fall back asleep.
• I feel rage over things that used to annoy me.
• My ADHD meds do not work the week before my period.
• My anxiety feels physical now.
• I cry at work and I do not recognize myself.
• My doctor said my labs were normal.

That is the clinical language I trust.

When It Is Not Hormones

This is the part that keeps the article honest.

Not every woman over 40 with depression has perimenopause driving it. Sometimes it is major depression. Sometimes it is bipolar depression that has never been recognized. Sometimes it is ADHD plus chronic sleep debt. Sometimes it is low ferritin, hypothyroidism, obstructive sleep apnea, alcohol, trauma, medication side effects, or a marriage that has been clinically relevant for ten years.

I do not use hormones as a new one-size-fits-all explanation.

That would be the same mistake as reflexively prescribing another antidepressant.

Skim Map

What I check when mood falls apart after 40

Perimenopause and hormone fluctuation Erratic estrogen and progesterone destabilize sleep, serotonin, GABA, and stress response. Symptom pattern and menstrual history identify this before labs do in most cases over 45.

Thyroid disease Hypothyroidism and subclinical hypothyroidism cause fatigue, cognitive slowing, weight changes, mood symptoms, and cold intolerance. TSH with free T4 when indicated. Thyroid function can shift in midlife.

Ferritin and iron stores Low ferritin with a normal CBC is a common miss. Poor sleep, restless legs, fatigue, poor concentration, and low mood can all signal low iron stores even when hemoglobin is normal.

Sleep apnea In women, sleep apnea often presents as insomnia, fatigue, and mood symptoms rather than loud snoring. It is underdiagnosed and can drive everything downstream: focus, mood, energy, and psychiatric medication response.

Medication, alcohol, and substance effects Antidepressant activation, SSRI-related sexual dysfunction or insomnia, alcohol rebound, stimulant timing, cannabis effects, and hormonal contraception masking cycle patterns all need to be in the room.

Primary mood or anxiety disorder Perimenopause does not replace the psychiatric differential. Major depression, bipolar spectrum, anxiety disorder, ADHD, and PTSD still need to be evaluated — especially when the hormonal picture is not complete.

Treatment Depends on the Pattern

If symptoms clearly track with perimenopause, treatment may involve menopause-focused care, psychotherapy, sleep treatment, medication adjustment, or hormone therapy when appropriate.

Hormone therapy is not casual. It needs an individualized medical review. Abnormal uterine bleeding needs evaluation. Pregnancy has to be considered when relevant. Breast cancer history, clot or stroke risk, migraine with aura, liver disease, cardiovascular risk, and family history all matter.

SSRIs and SNRIs can still be useful. They may help hot flashes, anxiety, depression, and sleep in selected patients. I just do not want them used as a way to avoid asking what changed hormonally and medically.

The cleanest cases are rarely clean.

Often the answer is thyroid optimization, iron repletion, sleep treatment, therapy, and a medication plan that fits the actual symptom pattern.

What to Ask Your Clinician

If you are over 40 and your mood or anxiety changed, bring better questions.

• "Could perimenopause be part of this pattern?"
• "Do my symptoms and menstrual history fit, or are labs needed because the picture is unclear?"
• "Have we checked thyroid, ferritin with iron studies, B12, vitamin D, A1c, and sleep risk?"
• "Could my medication, alcohol use, stimulant dose, or contraception be affecting this?"
• "If hormone therapy is being considered, what risks make it unsafe for me?"

Those questions get you farther than demanding a fixed hormone panel.

How I Think About It

I do not need every midlife patient to leave with a hormone lab order.

I need them to leave with a better explanation than "your depression came back."

For some people, the explanation is perimenopause. For others, it is thyroid, ferritin, sleep, ADHD, medication mismatch, primary mood disorder, or a combination that was obvious once someone had enough time to look.

That is the work.

San Francisco Diagnostic Optimization Note

If hormone questions are happening alongside ADHD symptoms, stimulant use, GLP-1 treatment, sleep tracking, supplement stacks, or performance pressure, the visit needs more than a hormone panel.

For San Francisco patients who want the medical and psychiatric pattern reviewed together, diagnostic optimization in San Francisco is the broader pathway.

---

Medical Disclaimer: This article is for educational purposes only and does not constitute medical advice. Hormone testing, psychiatric medication, supplements, and hormone therapy should be individualized with qualified clinicians who know your medical history. Do not start, stop, taper, combine, or change psychiatric medications, hormones, or supplements without medical supervision. Seek urgent medical care for suicidal thoughts, thoughts of self-harm, mania, psychosis, severe depression, abnormal heavy bleeding, chest pain, fainting, stroke symptoms, or another emergency. In a mental health crisis, call or text 988 (Suicide & Crisis Lifeline) or go to the nearest emergency room.

---

References

• NICE. Menopause: identification and management NG23. Updated 2024. https://www.nice.org.uk/guidance/ng23/chapter/Recommendations
• NICE. Quality statement 1: Diagnosing perimenopause and menopause. https://www.nice.org.uk/guidance/QS143/chapter/quality-statement-1-diagnosing-perimenopause-and-menopause
• The Menopause Society. Perimenopause. https://menopause.org/patient-education/menopause-topics/perimenopause
• Maki PM, Kornstein SG, Joffe H, et al. Guidelines for the evaluation and treatment of perimenopausal depression. Menopause. 2018.