Gustatory hyperlacrimation is the shedding of tears triggered by eating or drinking. It often can be controlled by injection of botulinum toxin.


Synonym: Bogorad’s syndrome


The term “crocodile tears” is based on the belief that a crocodile sheds tears before it eats.


Features of crocodile tears:

(1) The patient begins to tear prior to or while eating or drinking

(2) The tearing may be unilateral or bilateral.


It may occur:

(1) as a congenital disorder (Duane’s retraction syndrome, other)

(2) following vestibular schwannoma surgery

(3) following Bell’s palsy

(4) following trauma

(5) with Guillain-Barre syndrome

(6) with cerebellopontine angle meningioma


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