How must the migraine pain typically feel in order to meet the diagnostic criteria?

For a diagnosis of migraine, the nature of the headache pain is a critical component of the clinical criteria. The pain is typically characterized as throbbing or pulsing, distinguishing it from other types of headaches, such as tension-type headaches. This throbbing quality can be a manifestation of the underlying neurovascular mechanisms involved in migraines, leading to changes in blood flow and inflammation.

In addition to the throbbing nature, other symptoms, such as nausea or sensitivity to light and sound, may accompany the headache. However, the requirement for the pain to be throbbing is a distinctive feature that aligns with the International Classification of Headache Disorders criteria for a migraine diagnosis.

Other characteristics like being constant and unchanging or localized to a specific area, such as the neck, are inconsistent with the typical presentation of migraine headaches. As for visual disturbances, while they can occur as part of the migraine aura, they are not required for the diagnosis of a migraine headache; thus, they do not influence the classification of the headache pain itself.