International Headache Society modified criteria of carotidynia (revised 2004)*
| Criteria of Carotidynia |
| A, Neuralgia of the neck and head with spontaneous improvement within 14 days |
| B, Presence of at least 1 of the following symptoms overlying the carotid artery: |
| Painful with applied pressure |
| Swelling |
| Increased pulsation |
| C, Structural lesion in the carotid artery ruled out by means of suitable procedures |
| D, Pain on 1 side of the neck and in the nape, possibly radiating to the head |
* Permission granted from Wiley-Blackwell Publishing; Headache Classification Subcommittee of the International Headache Society. The International Classification of Headache Disorders: 2nd edition. Cephalalgia 2004;24(suppl 1):9–160