Can perimenopause cause anxiety?

Yes, anxiety is a genuine and common symptom of perimenopause, even in women who have never been anxious before. It is hormonal, not all in your head.

The main driver is fluctuating oestrogen and falling progesterone. Oestrogen influences serotonin and other mood chemicals, so when it swings unpredictably, emotional regulation wobbles with it. Progesterone has a naturally calming effect on the brain, since it supports GABA, the same system many anti-anxiety medications target, so as progesterone declines that built-in brake weakens, leaving many women feeling on edge, restless, or hit by sudden waves of worry or even panic. Broken sleep and early-hours cortisol surges make it worse.

What catches women off guard is how new and physical it can feel:

• A racing heart or tight chest, sometimes mistaken for a heart problem (see palpitations)
• 3am dread, often without an obvious trigger
• A shorter fuse and a sense of being permanently on alert

Recognising it as a hormonal pattern rather than a personal failing is itself a relief for many. It also explains why this anxiety can feel different from anxiety earlier in life: it often arrives in waves tied to hormone swings and broken nights rather than to clear worries, which is why steadying sleep and hormones tends to help more than reasoning with the thoughts alone.

It is also commonly misread by the system meant to help. Perimenopausal anxiety is sometimes diagnosed purely as a new anxiety disorder and treated with antidepressants alone, without anyone joining the dots to hormones, when in fact the timing and the accompanying physical symptoms are the clue. Antidepressants can help, but for many women addressing the hormonal driver is what truly settles it.

What to do: the foundations genuinely help, so protect your sleep, get daylight and movement, limit alcohol and caffeine, which both amplify anxiety, and build in real downtime. For many women, HRT eases perimenopausal anxiety by steadying oestrogen and replacing progesterone, so ask your GP whether it is right for you. If anxiety is severe or persistent, raise it specifically, because effective help exists and you do not have to white-knuckle through it.