What are the IHS’s requirements for diagnosing a migraine without aura?

Migraine FAQs: What are the International Headache Society’s requirements for diagnosing a migraine without aura?

The International Headache’s Society’s requirements for diagnosing a migraine without aura, the person must meet the following criteria:
A. Patient experienced at least five attacks that meet the criteria, B through D, listed below
B. Headache lasting four to 72 hours (untreated or unsuccessfully treated)
C. Headache with at least two of the following four characteristics:

1. Unilateral location (pain on one side of the head)

2. Pulsating quality (head throbs)

3. Moderate or severe intensity (inhibits or prohibits daily activities).

4. Aggravation by or causing avoidance of routine physical activity, like walking up or down stairs or performing similar physical activity

D. During headache, at least 1 of the following must occur:

1. Nausea with or without vomiting

2. Photophobia (sensitivity to light) or phonophobia (sensitivity to sound)

E. Not better accounted for by another ICHD-III diagnosis