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Can You Take HRT With Bipolar Disorder? What the Evidence and Drug Labels Say

Can you take HRT with bipolar disorder? Often, yes. Bipolar disorder is not on the FDA estrogen label's list of reasons not to use it. But HRT does not treat bipolar disorder, the research on mood is thin, and estrogen can lower lamotrigine and valproate levels. Start it only with a plan your psychiatrist knows about.

The HRT Index is the independent decision resource for online menopause and HRT care — comparing telehealth providers on clinical legitimacy, care quality, medication fit, price transparency, and access, with every claim verified and dated, so women can choose the path that fits their situation before their first consult.

If you are in crisis right now: call or text 988 (the 988 Suicide & Crisis Lifeline) or call 911. A menopause appointment is not the right first step during a manic, mixed or severe depressive episode.

What we actually verified · Last verified October 2026

What we read on October 28, 2026:

  • The FDA-approved labels for estradiol tablets and Estrace on DailyMed (contraindications and drug interactions) and the Premarin label on the FDA's site (listed adverse reactions).
  • The FDA-approved labels for Lamictal (lamotrigine) on DailyMed and Depakote (divalproex) on the FDA's site, in their sections on estrogen-containing products.
  • The National Institute of Mental Health's bipolar disorder guide.
  • The 2018 perimenopausal depression guidelines from The Menopause Society (then NAMS) and the National Network of Depression Centers, and The Menopause Society's 2022 hormone therapy position statement.
  • Studies on bipolar disorder in the menopause transition, including the STEP-BD analysis (2012), a prospective study in the International Journal of Bipolar Disorders (2015), a 2024 review on severe mental illness and perimenopause, a 2026 review in Bipolar Disorders, a 2017 lamotrigine and HRT study in Epilepsia, and the MGH Center for Women's Mental Health's August 2026 article on lamotrigine and hormone therapy.
  • Bipolar UK's menopause guide and member survey.
  • The NHS page on taking combined HRT with other medicines.

What we did not do: we are not clinicians, we did not treat anyone, and we did not interview patients. Nothing here is advice to start, stop or change any medicine. Your psychiatrist and your menopause clinician are the people who can make that call with you.

Our commercial interest: we may earn a commission if you start care with a provider featured in Find My HRT Path. No provider is linked on this page, and that never changes what we report. How we make money.

How we judge any option (our Verification Standard, in this order): 1) clinical legitimacy, 2) care quality, 3) medication fit, 4) price transparency, 5) access. Read the full methodology.

Jump to: Quick answer by situation · Is bipolar a contraindication? · Does HRT help or hurt mood? · Medication interactions · Pill, patch or vaginal? · Progesterone · Non-hormonal options · Questions for your clinicians · Warning signs · Online care · FAQ

Can you take HRT with bipolar disorder? A quick answer for your situation

Most women with stable bipolar disorder can at least discuss HRT, because bipolar disorder by itself does not rule it out. What changes the answer is how stable your mood is right now, which mood stabilizer you take, and whether you have a standard medical reason HRT would be unsafe for anyone. Find your situation in the table below.

Your situation What the evidence and labels point to Who to talk with first
Mood stable for months, bothersome hot flashes or night sweats, no estrogen contraindications HRT can be a reasonable option to discuss. Bipolar disorder is not a listed contraindication on the estradiol label. A menopause clinician, with your psychiatrist kept in the loop
You take lamotrigine (Lamictal) Estrogen may lower lamotrigine levels. A plan to watch mood and possibly check a lamotrigine level is sensible. Your psychiatrist before you start, then your menopause clinician
You take valproate (Depakote, divalproex) The Depakote label says estrogen-containing contraceptives may lower valproate levels and tells prescribers to monitor when estrogen products are added or stopped. Your psychiatrist before you start
You take carbamazepine (Tegretol, Equetro) The estradiol label lists carbamazepine as a drug that may lower estrogen levels, which can weaken HRT's effect or change bleeding. Both clinicians, so the dose plan accounts for it
You take lithium or an antipsychotic The labels we read list no specific estrogen interaction for these. That is not the same as proof of none, so share your full list. Your menopause clinician, with your full medication list
You are in a manic, mixed or severe depressive episode now This is not the time to start a new hormone. Stabilizing mood comes first. Your psychiatrist or crisis care (988 or 911)
Your first ever mood episode began in perimenopause Perimenopause is a higher-risk time for first-onset bipolar disorder. HRT will not treat bipolar disorder on its own. A mental health clinician for diagnosis first
You have had breast cancer, a blood clot, stroke, liver disease or unexplained bleeding These are standard estrogen contraindications for every woman, with or without bipolar disorder. Your doctor in person; see who should not take HRT

The right online menopause care isn't the same for every woman — it depends on your symptoms, what you've already tried, your age, your state and your health history. Some situations belong with an in-person clinician first. Use The HRT Index's Find My HRT Path tool to explore a featured care option for your situation — and to flag when online care isn't the right starting point — before your first consult.

Is bipolar disorder a contraindication for HRT?

No. Bipolar disorder does not appear on the contraindication list in the FDA-approved labels for estradiol tablets that we read. The listed reasons not to use estrogen are pregnancy, allergy to the ingredients, liver disease, a recent stroke or heart attack, a current or past blood clot in the legs or lungs, breast cancer, other estrogen-dependent cancers, and unexplained vaginal bleeding (estradiol tablets label, DailyMed).

That does not mean the labels say nothing about mood. The Premarin label lists "mental depression," "nervousness," "mood disturbances" and "irritability" among reported adverse reactions to estrogens (Premarin label, FDA). A reported reaction is not proof that estrogen caused it, but it is a reason to watch your mood closely after any change.

So the honest answer has two parts. HRT is not off the table because you have bipolar disorder. But your bipolar disorder does change how carefully the start should be planned. The standard HRT safety rules still apply to you too. The Menopause Society's 2022 position statement says that for healthy women with bothersome symptoms who are under 60 or within 10 years of menopause, the benefits of hormone therapy generally outweigh the risks (The Menopause Society, 2022). Our guide to HRT contraindications covers those rules in full.

Does HRT help or hurt bipolar mood symptoms?

Nobody knows for sure, because very few studies have looked at it. The research that exists is small and mixed: some women with bipolar disorder seem to do better on HRT, while large clinic data found no clear difference in depression or mania. HRT should be seen as a treatment for menopause symptoms, not a treatment for bipolar disorder.

Why the menopause transition matters for bipolar disorder

The menopause transition seems to be a harder stretch for many women with bipolar disorder. These are the main findings:

  • More depression late in the transition. In a prospective study of 44 women with bipolar disorder, depression scores were about 10% higher in women in the late transition or early postmenopause than in women early in the transition. Mania scores were also about 10% higher. Estradiol and FSH levels did not track with mood scores (Marsh et al., 2015).
  • More depression and anxiety overall. A 2026 review of 14 studies found that more depression and anxiety during perimenopause were the most consistent findings in women with bipolar disorder. Findings for mania were mixed. It also found perimenopause is a higher-risk time for a first diagnosis of bipolar disorder (Bipolar Disorders, 2026).
  • Hot flashes and poor sleep go with worse mood. In the 2015 study, women with more menopause symptoms had higher depression scores. A 2024 review also points to sleep loss as something to watch (Severe mental illness and the perimenopause, 2024). For many women with bipolar disorder, protecting sleep is a big part of staying well.

What the studies on HRT actually found

There are only a handful of studies, and none is a large randomized trial in women with bipolar disorder.

  • STEP-BD analysis (2012): among 249 perimenopausal and postmenopausal women with bipolar disorder in a large U.S. treatment study, 28% used hormone therapy. Their share of clinic visits in a depressed state was 16%, the same as women not using it. Visits with mood elevation were 2% for HRT users and 4% for non-users (Marsh et al., 2012). In plain terms, HRT did not act like an antidepressant in this group, and it did not appear to set off mania.
  • An earlier, smaller report: in a retrospective study cited by the STEP-BD authors, women with bipolar disorder who were not using HRT were more likely to say their symptoms got worse during perimenopause than women who were using it. Because women were asked to remember back, this kind of study can't prove HRT caused the difference.
  • The 2026 review concluded that evidence on treatments in this group, including HRT, was "limited or absent" (Bipolar Disorders, 2026).

What we know from women without bipolar disorder

For perimenopausal depression in general, the 2018 guidelines from The Menopause Society and the National Network of Depression Centers say antidepressants and therapy remain first-line. They add that estrogen is not FDA-approved to treat depression, though there is evidence it can have antidepressant effects in perimenopausal women, especially those with hot flashes (Maki et al., 2018). Our page on HRT for depression walks through that evidence. Those results can't simply be carried over to bipolar disorder, where the main risks are mood switches and relapse.

What women with bipolar disorder report

In a Bipolar UK member survey, only 31% of women with bipolar disorder had been offered HRT. Of those using it, 64% said it had helped them. Bipolar UK also notes that some women find HRT doesn't help or makes their bipolar symptoms worse (Bipolar UK). A member survey is useful for understanding real experiences, but it is not a clinical trial, so it can't tell you how you will respond.

Which bipolar medicines interact with HRT?

The most important interaction is with lamotrigine: estrogen can speed up how fast your body clears it, which may lower its level in your blood. Valproate and carbamazepine also have interaction notes on their labels. None of these is an automatic reason to avoid HRT, but each is a reason for your psychiatrist to know before you start.

Bipolar medicine What the label or study says about estrogen Why it matters What to raise with your clinician
Lamotrigine (Lamictal) The label says estrogen-containing birth control pills raise lamotrigine clearance and that maintenance doses often need to rise "by as much as 2-fold" with them (Lamictal label, DailyMed). HRT uses lower doses. In a 2017 study, 79 women on estrogen HRT had lower lamotrigine levels than matched women not on it (Reimers, 2017). A lower lamotrigine level could weaken its mood protection. Whether to check a lamotrigine level before starting HRT and again later, and which mood changes should prompt a call
Valproate (Depakote, divalproex) The label says estrogen-containing contraceptives "may increase the clearance of valproate" and tells prescribers to monitor valproate levels and response when adding or stopping estrogen products (Depakote label, FDA). A drop in valproate could mean less mood control. Whether a valproate level check makes sense after starting or stopping estrogen
Carbamazepine (Tegretol, Equetro) The estradiol label lists carbamazepine as a CYP3A4 inducer that "may reduce plasma concentrations of estrogens," which can weaken HRT's effect or change bleeding (estradiol label). HRT may work less well, and bleeding patterns may change. Whether the HRT type or dose should account for this
Lithium We found no estrogen interaction listed on the estradiol labels we read. No known interaction is not the same as a proven lack of one. Share it anyway, along with any recent level checks
Antidepressants NIMH says antidepressants are not used alone in bipolar disorder because they can trigger mania or rapid cycling (NIMH). This matters if a clinician suggests an antidepressant-type medicine for hot flashes. Whether any non-hormonal hot flash medicine is safe with your mood plan
St. John's wort The estradiol label lists it as a product that may lower estrogen levels. Some people try it for mood; it can weaken HRT. Mention every supplement you take

Lamotrigine and HRT: what the MGH Center for Women's Mental Health suggests

The MGH Center for Women's Mental Health published a detailed look at this question in August 2026. Its main points were:

  • The effect size is uncertain. The drop in lamotrigine with HRT appears smaller than with birth control pills, at roughly 17–30% in the limited data, but it varies and is hard to predict for one person.
  • Patches and vaginal estrogen are not proven to be free of the interaction. Very few women in the studies used them.
  • Starting HRT shouldn't automatically trigger a big lamotrigine dose change. Instead, a clinician may check a level before starting, watch mood, recheck once HRT is steady, and adjust only if there is a real change.
  • Stopping HRT matters too. Lamotrigine levels could rise again if estrogen is stopped.
  • The interaction runs one way. Lamotrigine does not appear to make HRT less effective.

Source: MGH Center for Women's Mental Health, August 2026. If you take lamotrigine and are thinking about HRT, this is the single most useful thing to bring to your psychiatrist.

Taking more than one prescription for mood? Our guide to HRT and antidepressants covers those combinations in more detail.

Does it matter if HRT is a pill, patch or vaginal cream?

It may, but the evidence for women with bipolar disorder is thin. Pills, patches and gels all put estrogen into the bloodstream. Low-dose vaginal estrogen puts much less there and is mainly used for dryness and painful sex.

  • Pills (oral estradiol): these have the clearest evidence for lowering lamotrigine levels, according to the MGH review.
  • Patches and gels (transdermal estradiol): these skip the first pass through the liver, and the NHS notes that HRT patches are less affected than tablets by some interacting medicines (NHS). Whether patches lower lamotrigine less than pills is not yet known. See oral vs. transdermal estrogen for the general trade-offs.
  • Low-dose vaginal estrogen: it is absorbed into the blood far less than pills or patches. There are no good studies on it and lamotrigine, so it's still worth telling your psychiatrist about it.

There is a practical point too. A steady daily dose, whatever form it comes in, avoids the ups and downs of missed doses, which matters to many people with bipolar disorder. How steady your levels stay is a question to ask your clinician, not something to work out alone.

What about progesterone if you still have a uterus?

If you have a uterus and take estrogen, you will also need a progestogen, such as micronized progesterone, to protect the uterine lining. That is standard for every woman, not something special to bipolar disorder. Some women notice mood changes on progestogens, so it's worth telling your clinician about any past mood reactions to hormonal birth control.

The 2018 depression guidelines describe evidence on estrogen plus a progestogen for mood as limited and inconclusive (Maki et al., 2018). For what is known about side effects, see micronized progesterone side effects and does progesterone help with anxiety?

What if HRT isn't right for you?

There are non-hormonal options for hot flashes, and some may fit better with your mood plan. Each comes with its own checks, so the same rule applies: your psychiatrist should know before you start any of them.

  • Fezolinetant (Veozah) is an FDA-approved non-hormonal medicine for moderate to severe hot flashes. It carries a liver-injury warning and needs liver blood tests (Veozah side effects).
  • Antidepressant-type medicines such as low-dose paroxetine are sometimes used for hot flashes. Because NIMH notes antidepressants are not used alone in bipolar disorder, these need a careful conversation with your psychiatrist.
  • Help with sleep and routine matters a great deal. NIMH lists keeping a regular sleep and activity routine as part of managing bipolar disorder.

Our overview of non-hormonal hot flash medication online compares the options.

What should you ask your psychiatrist and menopause clinician?

The best plan is one your psychiatrist and your menopause clinician both know about. Bring these questions to each appointment, and write the answers down.

For your psychiatrist:

  1. How stable has my mood been, and is now a reasonable time to start a new medicine?
  2. I take [your mood stabilizer]. Should we check a level before I start HRT and again after?
  3. Which mood changes in the first few months should make me call you?
  4. Should my sleep be watched more closely while I start?
  5. If HRT doesn't suit me, are any non-hormonal hot flash medicines safe with my current plan?

For your menopause clinician:

  1. Do I have any of the standard reasons not to take estrogen?
  2. Would a pill, patch, gel or vaginal product make most sense for me, and why?
  3. If I have a uterus, which progestogen would you suggest, and what should I watch for?
  4. How will we follow up, and how fast can I reach you if my mood changes?
  5. Will you share notes with my psychiatrist if I ask?

Which warning signs mean you should call right away?

Call your psychiatrist promptly if you notice a clear change from your usual pattern after starting, changing or stopping HRT. NIMH lists these as signs of mania and depression:

  • Signs of mania: sleeping much less without feeling tired, racing thoughts, talking fast, or feeling unusually powerful.
  • Signs of depression: feeling hopeless or worthless, or losing interest in almost everything.
  • Changes in a known pattern: mood swings that are faster or stronger than your usual pattern.
  • Any thoughts of death or suicide. Call or text 988 right away, or call 911 if you are in danger.

Don't stop or change any medicine on your own. NIMH also advises not stopping bipolar medication without talking to your health care provider first.

Can you get HRT online if you have bipolar disorder?

You can, if your mood has been stable, your psychiatrist knows the plan, and the online service takes a full medical and medication history. Online care is a poor starting point if you are in an active episode, if your diagnosis is new or unclear, or if no one is managing your bipolar treatment.

What to look for in any service:

  • It asks about your mental health history and every medicine you take, including mood stabilizers.
  • A licensed clinician reviews your history before prescribing anything.
  • It offers follow-up visits and a way to reach a clinician between them.
  • It will send records to your psychiatrist if you ask.

Our guide to whether online HRT is safe covers the general checks. If you'd like help sorting out which kind of care fits your situation, The HRT Index's Find My HRT Path tool asks about your symptoms, what you've tried, your age, your state and your health history. It then shows a featured care option, or tells you when in-person care is a better place to start. It's free, takes about 60 seconds and needs no email. It is not a diagnosis or a prescription decision.

Frequently asked questions

Can you take HRT with bipolar disorder?

Often, yes. Bipolar disorder is not a listed contraindication on FDA estradiol labels. The decision depends on how stable your mood is, which medicines you take (especially lamotrigine, valproate or carbamazepine), and the standard HRT safety checks every woman needs. Your psychiatrist should be part of the plan.

Can HRT trigger mania?

There isn't enough research to say how often. In the STEP-BD data, women with bipolar disorder using hormone therapy did not have more clinic visits with mood elevation than non-users (2% vs. 4%). A case of mania after starting HRT has been reported in the medical literature, and estrogen labels list mood changes as reported reactions, so watch for warning signs after any change.

Can HRT replace my mood stabilizer?

No. HRT is not a treatment for bipolar disorder, and NIMH says bipolar disorder usually needs lifelong treatment. Bipolar UK also notes that even when bipolar first appears around menopause, it is unlikely to settle without its own treatment alongside any HRT.

Does estrogen lower lamotrigine levels?

It can. The lamotrigine label says estrogen-containing birth control pills raise how fast it is cleared. A 2017 study found lower lamotrigine levels in women on estrogen HRT. The effect of HRT seems smaller than with birth control pills, but it is hard to predict, so many psychiatrists monitor mood and sometimes the level.

Is a patch safer than a pill if I take lamotrigine?

We don't know. Patches avoid the first pass through the liver, but there isn't enough research to say whether they lower lamotrigine less than pills do. Treat any form of systemic estrogen as something your psychiatrist should know about.

Can I use vaginal estrogen if I have bipolar disorder?

Low-dose vaginal estrogen puts much less estrogen into the blood than pills or patches, and bipolar disorder is not a contraindication. There are no good studies on vaginal estrogen with lamotrigine, so mention it to your psychiatrist anyway.

Does lithium interact with HRT?

The estradiol labels we read do not list lithium as an interacting drug. That isn't proof there is no effect, so share your full medication list and any recent lithium levels with both clinicians.

Will perimenopause make my bipolar disorder worse?

It can for some women. Studies most consistently find more depression and anxiety during the transition, while findings on mania are mixed. Poor sleep and hot flashes are linked with worse mood, which is one reason treating menopause symptoms may matter.

Should I see a psychiatrist or a menopause doctor first?

If your mood is not stable, start with your psychiatrist. If it is stable, either can be first, as long as both know the plan before you start HRT.

The bottom line

Bipolar disorder does not, by itself, rule out HRT. But it changes how the start should be handled. The research on mood is limited, estrogen can lower lamotrigine and valproate levels, and carbamazepine can weaken HRT. The safest path is to start when your mood is stable, with your psychiatrist and menopause clinician working from the same plan, and a clear list of warning signs.

If you're not sure where your care should begin, Find My HRT Path can help you see a featured option or flag when in-person care is the better first step.

Sources

All sources were read on October 28, 2026.

  1. Estradiol tablets (Estrace) prescribing information, contraindications and drug interactions. DailyMed. https://dailymed.nlm.nih.gov/dailymed/drugInfo.cfm?setid=a3803ba3-4eee-4e2e-ac8c-821a4e6720cc
  2. Premarin (conjugated estrogens) prescribing information, adverse reactions. U.S. FDA, 2024. https://www.accessdata.fda.gov/drugsatfda_docs/label/2024/004782s181lbl.pdf
  3. Lamictal (lamotrigine) prescribing information. DailyMed. https://dailymed.nlm.nih.gov/dailymed/drugInfo.cfm?setid=d7e3572d-56fe-4727-2bb4-013ccca22678
  4. Depakote (divalproex sodium) prescribing information, section 7.1. U.S. FDA, 2026. https://www.accessdata.fda.gov/drugsatfda_docs/label/2026/018723s073lbl.pdf
  5. National Institute of Mental Health. Bipolar Disorder. https://www.nimh.nih.gov/health/publications/bipolar-disorder
  6. Maki PM, et al. Guidelines for the evaluation and treatment of perimenopausal depression: summary and recommendations. Menopause, 2018. https://pubmed.ncbi.nlm.nih.gov/30182804/
  7. The Menopause Society. The 2022 hormone therapy position statement. https://menopause.org/wp-content/uploads/professional/nams-2022-hormone-therapy-position-statement.pdf
  8. Marsh WK, et al. Progression of female reproductive stages associated with bipolar illness exacerbation. Bipolar Disorders, 2012 (STEP-BD). https://pmc.ncbi.nlm.nih.gov/articles/PMC3407285/
  9. Marsh WK, et al. Symptom severity of bipolar disorder during the menopausal transition. International Journal of Bipolar Disorders, 2015. https://pmc.ncbi.nlm.nih.gov/articles/PMC4546121/
  10. Severe mental illness and the perimenopause. 2024 review. https://pmc.ncbi.nlm.nih.gov/articles/PMC11669460/
  11. Bipolar Disorder and Perimenopause: An Update. Bipolar Disorders, 2026. https://doi.org/10.1111/bdi.70186
  12. Reimers A. Hormone replacement therapy with estrogens may reduce lamotrigine serum concentrations. Epilepsia, 2017. https://pubmed.ncbi.nlm.nih.gov/27805259/
  13. Nonacs R. Lamotrigine and Menopausal Hormone Therapy: What Women Need to Know. MGH Center for Women's Mental Health, August 27, 2026. https://womensmentalhealth.org/posts/lamotrigine-menopause-hormone-therapy/
  14. Bipolar UK. Bipolar and menopause. https://www.bipolaruk.org/about-bipolar/living-with-bipolar/women/menopause/
  15. NHS. Taking continuous combined HRT with other medicines and herbal supplements. https://www.nhs.uk/medicines/hormone-replacement-therapy-hrt/continuous-combined-hormone-replacement-therapy-hrt-tablets-capsules-and-patches/taking-continuous-combined-hrt-with-other-medicines-and-herbal-supplements/

This page is for education only. It is not medical advice and does not replace care from your own clinicians.