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Perimenopause Symptoms

A-Z guide to perimenopause symptoms — causes, what helps, and how to track each one.

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Perimenopause Fatigue: Why It Happens and What Helps

Guide

Perimenopause fatigue is often caused by a cascade of sleep disruption, hormonal changes, and disrupted cortisol patterns. Understanding the mechanism helps target the right interventions.

Updated Mar 21, 2026

Perimenopause Hair Loss: Why It Happens and What Helps

Guide

Perimenopause hair loss involves androgen sensitivity changes and telogen effluvium. This page explains the mechanism, distinguishes types of hair loss, and outlines evidence-based approaches.

Updated Mar 21, 2026

Perimenopause Headaches: Why They Happen and What Helps

Guide

Perimenopause headaches are often driven by estrogen fluctuations, particularly estrogen withdrawal. This page covers the mechanism, changes to migraine patterns, and what helps.

Updated Mar 21, 2026

Perimenopause Heart Palpitations: Why They Happen and When to Worry

Guide

Heart palpitations are a common and typically benign perimenopause symptom linked to vasomotor activity and estrogen's role in cardiac function. This page explains when palpitations are hormonal and when to seek evaluation.

Updated Mar 21, 2026

Perimenopause Heavy Periods: Why They Happen and When to Seek Help

Guide

Heavy periods in perimenopause are driven by anovulatory cycles and progesterone deficiency causing unregulated uterine lining buildup. This page explains the mechanism and management options.

Updated Mar 21, 2026

Perimenopause Hot Flashes: Why They Happen and How to Track Them

Guide

Hot flashes are the hallmark vasomotor symptom of perimenopause, caused by estrogen-driven changes in the hypothalamic thermostat. This page explains the mechanism, frequency, and how symptom tracking helps.

Updated Mar 21, 2026

Perimenopause Irregular Periods: What's Normal and What to Investigate

Guide

Irregular periods are the defining feature of perimenopause. This page explains anovulatory cycles, what irregular means, and the bleeding changes that warrant medical evaluation.

Updated Mar 21, 2026

Perimenopause Insomnia: Why It Happens and What Helps

Guide

Perimenopause insomnia involves changes to sleep architecture, cortisol patterns, and night sweats. This page covers why sleep changes in perimenopause and what evidence-based interventions exist.

Updated Mar 21, 2026

Perimenopause Itchy Skin: Why It Happens and What Helps

Guide

Itchy skin and formication (crawling sensations) in perimenopause involve estrogen receptors in skin and histamine sensitivity changes. This page explains the mechanism and management.

Updated Mar 21, 2026

Perimenopause Joint Pain: Why It Happens and What Helps

Guide

Joint pain and stiffness are underrecognised perimenopause symptoms linked to estrogen's anti-inflammatory role in connective tissue. This page explains the mechanism and evidence-based management.

Updated Mar 21, 2026

Perimenopause Low Libido: Why It Happens and What Helps

Guide

Low libido during perimenopause involves declining testosterone and estrogen, physical comfort changes, and psychological factors. This page covers the mechanisms and evidence-based options.

Updated Mar 21, 2026

Perimenopause Memory Problems: Why They Happen and What Helps

Guide

Memory problems during perimenopause involve estrogen receptors in the hippocampus. This page explains the mechanism, what types of memory are most affected, and evidence-based approaches.

Updated Mar 21, 2026

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