Anxiety During Perimenopause
New or worsening anxiety is a common but under-recognised perimenopause symptom. Oestrogen's role in the nervous system explains why hormonal shifts can trigger or amplify anxiety.
Medical disclaimer
This content is for informational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Dawn Phase is not a medical device. Always consult a qualified healthcare professional with questions about your health.
What causes it
Oestrogen modulates GABA receptors — the same receptors targeted by benzodiazepines. It also influences the amygdala (the brain's fear centre) and the prefrontal cortex. Falling and fluctuating oestrogen can reduce GABAergic inhibition of the stress response, making the nervous system more reactive. Many women experience perimenopausal anxiety as a new, physiological sensation — different from anxiety driven by life circumstances — often described as a sense of dread or heightened alertness without an obvious cause.
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Rate anxiety level daily (1–5) and note time of day, cycle phase, and any triggers. Many women find anxiety spikes in the late luteal phase and in the days after a period — periods of rapidly falling hormones. Tracking helps distinguish cyclical hormonal anxiety from generalised anxiety disorder.
When to see a doctor
See a doctor if anxiety is interfering with daily functioning, sleep, or relationships. Mention explicitly that you are in perimenopause — anxiety is a recognised oestrogen-driven symptom and may respond to HRT, which is often not offered unless the hormonal component is identified. CBT and some antidepressants are also effective.
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