Migraine without aura

What it means

Repeated headache attacks lasting 4-72 h fulfilling at least two of the following criteria: 1) unilateral location, 2) pulsating quality, 3) moderate or severe pain intensity, and 4) aggravation by or causing avoidance of routine physical activity such as climbing stairs. Headache attacks are commonly accompanied by nausea, vomiting, photophobia, or phonophobia.

The definition of this term is based on the definition in the International Classification of Headache Disorders by the International Headache Society (PMID:15304572), which additionally stipulate that such headaches must have occurred at least five times and not other secondary cause must be apparent in order to make the diagnosis.

Rare diseases that can present with this1

The range is how often this sign appears among people diagnosed with each disease — it is not a probability of having any of them. Many of these signs also occur in common, non-rare conditions. A sign on this page is a conversation to have with a clinician, not a conclusion.

Part of the broader category