Perimenopause headaches: why migraine gets worse before it gets better

Withdrawal, not level

The single most clarifying fact about hormonal migraine is that the trigger is a fall in estrogen rather than a low level of it.

This is why menstrual migraine classically strikes in the two days before a period, when estrogen drops sharply, and why a steady low level after menopause is often better tolerated than the swings before it.

Perimenopause is therefore the worst phase by design: estrogen rises and falls unpredictably, producing repeated withdrawal events rather than a single managed decline. Many women find migraine settles substantially once periods stop.

Aura, and why it changes the conversation

Aura is a reversible neurological disturbance preceding or accompanying the headache, most often visual — zigzag lines, flickering, a blind spot spreading over minutes — and sometimes sensory or affecting speech.

It matters because migraine with aura is associated with a modestly increased risk of ischaemic stroke, and combined hormonal contraception containing estrogen is generally avoided in women who have it.

Hormone therapy is treated differently from contraception here: it is not contraindicated by migraine with aura, and transdermal routes delivering steady levels are commonly preferred because they avoid the peaks and troughs of oral dosing.

A new aura appearing for the first time in your forties or fifties should be assessed rather than assumed to be hormonal.

The other headaches of this age

• Tension-type headache, worsened by disrupted sleep and by the neck and shoulder tension common in this phase
• Medication overuse headache, which develops from painkillers taken on more than about ten to fifteen days a month and is frequently the real cause of daily headache
• Headache from poor sleep, which is a direct effect rather than a consequence of tiredness
• Headache from anaemia caused by heavy perimenopausal bleeding
• Cervicogenic headache arising from the neck, more common as musculoskeletal symptoms increase

Medication overuse, which catches people out

Someone with worsening perimenopausal migraine reasonably takes more painkillers. Beyond roughly ten to fifteen days a month, regular use can itself sustain a daily or near-daily headache that no longer responds to anything.

The pattern to recognise: headache present most days, worse on waking, temporarily relieved by painkillers, returning as they wear off.

It resolves on withdrawing the medication, which is unpleasant for a period of weeks and requires support. It is worth raising directly, because it is common, invisible and easily mistaken for the migraine getting worse.

When to see someone

Seek emergency care for a sudden severe headache reaching maximum intensity within seconds, headache with fever and a stiff neck, headache with weakness, numbness, confusion or difficulty speaking, headache after a head injury, or headache with new visual loss.

Book promptly for a new headache pattern starting after 50, headache that is progressively worsening, headache worse on lying down or on coughing and straining, or a first episode of aura.