No — this is not who you are becoming. This is one of the most common and most distressing symptoms of perimenopause, and one of the least talked about, because it carries so much shame.

Irritability and emotional reactivity have a direct hormonal explanation. Oestrogen and progesterone both modulate serotonin and GABA — the brain chemicals that regulate mood and emotional buffering. When these hormones fluctuate wildly (which is what happens in early perimenopause — not a smooth decline but an erratic one), the brain’s ability to tolerate and buffer everyday stressors shrinks. Small frustrations that you would once have absorbed easily feel genuinely overwhelming, and the reaction that comes out is disproportionate to the trigger.

This is a recognised medical symptom. It is not a personality flaw, not a marriage problem, and not you “losing it.” It is your nervous system operating with significantly reduced hormonal support.

Many women find meaningful improvement with progesterone taken at bedtime, which also supports sleep. Systemic HRT addresses the oestrogen fluctuations. Antidepressants prescribed by a doctor can also help with emotional reactivity specifically.

Telling your family what is happening — even simply saying “I am going through a hormonal change and it is making it much harder for me to regulate my reactions right now; I am getting help” — can change the dynamic significantly. It is not weakness to explain. It reduces everyone’s confusion and helps them support you rather than avoid you.