Diagnosis for ATN is more difficult and complex than<unk>  TN. However, the diagnosis for ATN can be supported by a positive response to a low dose of tricyclic antidepressant medications (such as amitriptyline or nortriptyline), similar to neuropathic pain diagnoses.
Atypical trigeminal neuralgia
Trigeminal autonomic cephalgia
Occipital neuralgia
Trigeminal neuralgia
Trigeminal trophic syndrome
Thunderclap headache
Cold-stimulus headache
Notalgia paresthetica