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Diagnosing migraine - Migraine

There is no specific test to diagnose migraine. Your GP will ask about your symptoms and if they have a pattern.

Migraine attacks can be unpredictable. It can take time to get an accurate diagnosis.

What happens at your GP appointment

Your GP may check your:

  • vision
  • coordination
  • reflexes
  • sensations

This helps to rule out some other causes of your symptoms.

They may ask if your headaches:

  • are on 1 side of your head
  • feel like a pulsing pain
  • stop you from doing daily activities
  • get worse when you move or do physical activity
  • happen with other symptoms such as feeling and being sick
  • make you more sensitive to light and noise

Migraine diary

It can help to keep a diary of your migraine attacks for at least 4 weeks.

Include:

  • the date of your migraine attack
  • the time of your migraine attack
  • what you were doing when the symptoms began
  • how long the attack lasted
  • what symptoms you had
  • when you had your last period
  • what medicines you took, if any
  • if any medicines improve your symptoms

How to keep a migraine diary - migraine.ie

Noting use of painkillers

Keep a record of:

  • what painkillers you take and the dose
  • how often you take painkillers
  • when you take the painkiller during an attack
  • how the painkiller works

Avoid taking painkillers on more than 10 days every month in the long term.

Taking painkillers often and over a long time can cause a medication overuse headache. This can make migraine difficult to treat.

Referral to a specialist

Your GP may decide to refer you to a neurologist. This is a specialist in the brain and nervous system.

The specialist may recommend other tests and treatment if:

  • a diagnosis is unclear
  • you have migraine attacks on 15 days or more a month (chronic migraine)
  • treatment does not control your symptoms
  • you have new symptoms


Content supplied by the NHS and adapted for Ireland by the HSE

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This project has received funding from the Government of Ireland’s Sláintecare Integration Fund 2019 under Grant Agreement Number 123.

Page last reviewed: 16 August 2024
Next review due: 16 August 2027