Can perimenopause cause anxiety, rage and brain fog?
Yes, perimenopause can cause all three. Perimenopause anxiety, rage and brain fog are common, and much of what drives them is the uneven way estrogen and progesterone fall. In a US study that followed 2,956 women for 10 years, women who weren’t anxious beforehand had about 1.6 times the odds of high anxiety during and after the transition.[1]
A 2024 review covering more than 9,000 women found 40 percent higher odds of depression in perimenopause than before it, and no raised risk after menopause.[2]
In a study of 242 Chinese women in the transition, irritability was one of the most common symptoms observed.[3]
Many women quietly wonder whether they’re just becoming an angrier, more anxious person. For most, the answer is no, because something measurable is changing in the body.
Why do hormone swings impact your mood harder than low hormones?
Estrogen levels often fluctuate during perimenopause. A review proposed that mood may be more sensitive to these ups and downs than to low estrogen levels alone.[4] This may help explain why depression risk increases during perimenopause but not after menopause, when estrogen levels are generally low but more stable.[2] Greater estrogen fluctuations are also linked to a stronger rise in cortisol, the body's main stress hormone.[5]
Progesterone is falling at the same time. Your body needs it to produce a calming chemical that acts on GABA, your brain’s main braking signal. Researchers think that when this supply rises and falls, your stress response loses some of its brakes.[4] That would explain a short fuse and a racing mind in the same week, though it’s still an unproven model.
Why does perimenopause make you forget words?
Losing a word mid-sentence, or walking into a room and forgetting why, is how many women describe brain fog. A 2009 study in Neurology followed 2,362 women for four years.[6] Women usually score a little better each time they retake the same memory tests, but in perimenopause that improvement stopped. The fog is temporary though as memory returns to premenopausal levels after menopause.
Apart from cognitive decline, research also shows that hot flashes and night sweats hurt sleep.[7]
How do hot flashes and night sweats affect sleep and mood?
A hot flash wakes you at three in the morning with your heart pounding. Sleep comes back slowly. The next day starts with less patience, and a worry that would have stayed small looks enormous by evening.
A US study followed 3,045 women, aged 42 to 52 at the start, for seven years through the menopause transition. Trouble falling asleep and staying asleep became more common as the transition went on. Women with more frequent hot flashes were more likely to have each sleep problem the study tracked.[8]
In a 2016 study published in the Journal of Clinical Endocrinology and Metabolism, 29 healthy women in their twenties took a drug that shut down their estrogen for four weeks. Those whose sleep broke up most, or who had more hot flashes at night, developed more depressive symptoms. Hot flashes during the day made no difference.[9] The study was small and short, and the women were in their twenties rather than in perimenopause.
Guidelines from The North American Menopause Society via Refresh Psychiatry say depression in perimenopause often comes with hot flashes and poor sleep, and that doctors should assess them together. So when night sweats are waking you, raise them in the same appointment as your mood. If sleep is breaking first, our guide to herbs for sleep covers what to take and when.
Is there a test for perimenopause?
For women 45 and over, a blood test isn’t how perimenopause is confirmed. UK guidance from the National Institute for Health and Care Excellence says to identify it from symptoms and cycle changes, and it lists an estrogen blood test among the tests not to use. An FSH test, which measures the hormone that signals the ovaries, is suggested only under 45 and only to confirm menopause.
A blood draw catches one morning of a hormone that moves week to week, so a normal Tuesday result says little about Friday.
So a normal result doesn’t rule out a hormonal cause. A free record helps more: your worst days, sleep and period dates over two or three cycles.
What helps perimenopause anxiety, rage and brain fog?
Three options have the strongest research behind them, and each works on a different link in the chain.
|
Option |
What it can help |
What the research shows |
Worth knowing |
|
Hormone therapy, or HRT (estrogen, usually with progesterone) |
Hot flashes, sleep and mood early in the transition |
12 months, 172 women: 17 percent on an estrogen patch with progesterone pills developed significant depressive symptoms, against 32 percent on placebo. The benefit showed in women early in the transition.[10] |
There are no studies testing whether hormone therapy can prevent the onset of perimenopausal and early postmenopausal depressive symptoms.[10] |
|
Antidepressants (SSRIs and SNRIs) |
Clinical depression and anxiety |
Named a front-line option for depression in perimenopause. |
Common side effects include a lower sex drive, trouble reaching orgasm, weight gain, poor sleep and feeling emotionally numb. For some people the sexual effects last after stopping.[11] |
|
Cognitive behavioral therapy |
Low mood, sleep and how much hot flashes disrupt your day |
12 weeks, 71 women: better depressive symptoms and sleep, gains still there three months later.[12] |
Its effect on anxiety isn’t confirmed yet.[12] |
Each of these treatments work on one link, however mood, sleep and hot flashes are best checked together. That’s what a personalized hormonal health care plan helps achieve.
Do herbs or perimenopause supplements help?
Researchers have tested shatavari, the root of a wild asparagus, in two placebo-controlled trials. In a 2024 trial of 70 women aged 40 to 65, published in Cureus, 250 mg of shatavari root extract twice a day for eight weeks eased hot flashes, night sweats, sleep trouble and anxiety more than placebo.[13] A 2026 trial of 60 women found better emotional and social scores on a menopause quality-of-life questionnaire after eight weeks of 100 mg a day.[14]
The root they tested has been in clinical use in Ayurvedic Science for centuries. Ayurvedic Science calls this stage rajonivritti, the closing of the menstrual years. In that framing, Vata, the principle of movement, rises with restlessness and broken sleep, and Pitta, the principle of heat, builds into hot flashes and a short temper.
Our Herbal Meno Care pairs shatavari with two classical roots, so one formulation works beyond hot flashes and mood. Tribulus is in the blend for something the options above don’t target: low desire, which antidepressants can make worse. In a 90-day trial of 60 postmenopausal women, 750 mg of tribulus a day raised desire scores while placebo stayed flat.[15] Chlorophytum, or safed musli, a rejuvenative and a recommended natural aphrodisiac in Ayurvedic Science completes the pairing.[16]
Herbal Meno Care is formulated to help address occasional hot flashes, night sweats and mood swings,* and your physician checks it against any hormone therapy or antidepressant you already take.
How LYBL supports perimenopause
Perimenopause often gets looked at in pieces, with hot flashes at one appointment and mood at another. LYBL works on a whole-body, root-cause clinical model designed to deliver consistent, evidence-based, and deeply personalized care.
The LYBL Women’s Health program starts with an intake covering your cycle history, night sweats, sleep, mood and stress, plus everything you already take. Your Holistic Health Physician builds one plan. It combines nutrition, yoga therapy, and targeted formulations such as Herbal Meno Care, and your physician reviews it with you in a 30-minute follow-up every month as your cycle changes. The health assessment is the first step, and your answers give your physician a starting point.
