A painful disorder of the sensory nucleus of the fifth cranial (trigeminal) nerve that produces episodic, paroxysmal, severe, lancinating facial pain lasting seconds to minutes
Often ...
Avoid stimulation (e.g., air, heat, cold) of trigger zones, including lips, cheeks, and gums.
Medication treatment is first line.
Invasive procedures are reserved for patients ...
Carbamazepine and/or phenytoin serum levels
Liver a...
Bendtsen L, Zakrzewska J, Heinskou T et al. Advances in diagnosis, classification, pathophysiology, and management of trigeminal neuralgia. The Lancet Neurology...
B02.22 Postherpetic trigeminal neuralgia
G50.0 Trigeminal neuralgia
12242071000119103 Left trigeminal neuralgia
12242111000119105 Right trigeminal neuralgia
230537000 Idiopathic trigemina...
Patients with TN typically have a normal physical exam.
Imaging, ideally MRI, should be obtained to rule-out secondary causes in newly-presenting patients with clinical suspicion of TN.
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