Migraines

Migraines are one of the primary headaches. In the USA typically 17% of women and 6% of men have one in a year (yes, women have them more than men).

The term "migraine" comes from the Greek "hemicrania", meaning "half-head", but a migraine can occur on both sides of the head at the same time.

The IHS sub-classifies Migraines into seven sub-types as follows:

Migraine Phases

There are four phases of migraine as follows:

Prodrome are behavioural changes that happen days or hours before the headache; they include