Frey’s Syndrome

What is Frey’s Syndrome?

The condition resulting from injury to the auriculotemporal nerve. The auriculotemporal nerve provides sympathetic sweat-stimulating fibers to the preauricular skin, in addition to parasympathetic fibers to the parotid gland.

What is the other Name of Frey’s Syndrome?

This is Also known as auriculotemporal syndrome.

What are the clinical Signs & Symptoms?

Sweating, flushing, and warmth in the preauricular and temporal areas immediately following salivary or gustatory stimulation.

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Cause of clinical Signs & Symptoms?

When the nerve fibers to the parotid gland are damaged, in their attempt to reestablish innervation, they may be misdirected and reconnect with sympathetic fibers, leading to sweating, flushing, and warmth in the preauricular and temporal areas immediately following salivary or gustatory stimulation.

What test should be used to to detect sweating in the preauricular area? 

Minor’s starch-iodine test.

What should be the treatment of Frey’s Syndrome?

Surgical severing of auriculotemporal or glossopharyngeal nerves, local atropine injections, or scopolamine creams can help decrease symptoms. Most cases are mild enough that long-term treatment is not required.



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