Migraine is understood to be of condition which is an inherited, chronic neurologic disease with recurrent episodic attacks. As with many chronic diseases, prevention is key to migraine management.
Migraine is classified as episodic (up to 14 headache days per month) or chronic (15 or more headache days per month).
(If migraine/headaches are less than 10 days a month, it can be treated over the counter)
Areas of headache and causes:
Diagnostic criteria for migraine without aura | |
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Source: International Headache Society | |
A | At least five attacks fulfilling criteria B–D |
B | Headache attacks lasting 4–72 hours (untreated or unsuccessfully treated) |
C | Headache has at least two of the following characteristics:
1. Unilateral location (one side of head) 2. Pulsating quality (i.e. varying with heartbeat) 3. Moderate or severe pain intensity 4. Aggravation by or causing avoidance of routine physical activity (e.g. walking or climbing stairs) |
D | During headache, at least one of the following:
1. Nausea and/or vomiting 2. Photophobia (sensitive to light) |
E | Not attributed to another disorder (history and examination do not suggest a secondary headache disorder or, if they do, it is ruled out by appropriate investigations or headache attacks do not occur for the first time in close temporal relation to the other disorder) |
Various precipitants of migraine events have been identified:
Information on dietary triggers is often conflicting. Foods and food additives that have been suggested as potential precipitants of migraine include:
Medication
Medscape
When to have a head scan?
Neuroimaging is indicated for any of these characteristics:
Medscape
Does one have:
Have an aura 5 minutes – 1 hr before symptoms start (approximately 30% of migraine patients do).
Migraine symptoms (which can vary from 4-72 hours and repeated occurrence can vary).