Diagnosis	Features that differentiate from trigeminal neuralgia
Cluster headache	Longer-lasting pain; orbital or supraorbital; may cause patient to wake from sleep; autonomic symptoms
Dental pain (e.g., caries, cracked tooth, pulpitis)	Localized; related to biting or hot or cold foods; visible abnormalities on oral examination
Giant cell arteritis	Persistent pain; temporal; often bilateral; jaw claudication
Glossopharyngeal neuralgia	Pain in tongue, mouth, or throat; brought on by swallowing, talking, or chewing
Intracranial tumors	May have other neurologic symptoms or signs
Migraine	Longer-lasting pain; associated with photophobia and phonophobia; family history
Multiple sclerosis	Eye symptoms; other neurologic symptoms
Otitis media	Pain localized to ear; abnormalities on examination and tympanogram
Paroxysmal hemicrania	Pain in forehead or eye; autonomic symptoms; responds to treatment with indomethacin (Indocin)
Postherpetic neuralgia	Continuous pain; tingling; history of zoster; often first division
Sinusitis	Persistent pain; associated nasal symptoms
SUNCT	Ocular or periocular; autonomic symptoms
Temporomandibularjoint syndrome	Persistent pain; localized tenderness; jaw abnormalities
Trigeminal neuropathy	Persistent pain; associated sensory loss