The mood rollercoaster: anxiety, low mood and irritability in menopause
6 min read
Mood changes during perimenopause and menopause are hormonal — not a sign that something is wrong with you. Understanding the mechanism helps it feel less terrifying, and know that it is treatable.
The hormone-mood connection
Oestrogen plays a direct role in regulating serotonin and other neurotransmitters. When oestrogen fluctuates unpredictably — as it does in perimenopause — mood can follow. This creates low mood, irritability, anxiety, and emotional volatility that many women describe as "not like themselves."
Is it depression or perimenopause?
Distinguishing between them matters for treatment. Perimenopausal mood changes often track with hormonal fluctuations — worse at certain points in the cycle, variable from week to week. They're frequently accompanied by other physical symptoms (flushes, sleep disruption, brain fog). Clinical depression can also occur or co-exist. Speak to your GP about your full picture.
Anxiety
New or worsening anxiety can occur during the menopause transition and may present in different ways, including persistent worry or panic symptoms. Anxiety also has many other possible causes. A healthcare professional can help assess the full picture, especially if symptoms are new, severe or affecting daily life.
What helps
Treatment depends on the cause and severity of symptoms. NICE recommends considering menopause-specific CBT for depressive symptoms and sleep problems associated with menopause. HRT may help some menopause-related mood symptoms, but suitability and risks are individual. Regular movement, sleep support and professional mental-health care may also form part of a plan.
Clinical reference points
Reviewed against these public guidance sources in September 2026. Content is educational and is not represented as clinician-reviewed.
Educational content only. This guide is intended to inform, not to replace medical advice. Always discuss symptoms and treatment options with a qualified healthcare provider who knows your full history.
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