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208 Breeds, 422 Health Conditions  |  Find a Vet

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Drooling Excessively (Hypersalivation)




Condition Overview

Some degree of drooling is normal in dogs, particularly in breeds with loose, pendulous lips. Excessive drooling is called hypersalivation.


Excessive slobbering / drooling.


Hypersalivation is commonly triggered by psychological events such as fear, apprehension, and nervous anxiety, as well as the anticipation of food and treats.

Drooling also occurs in response to mouth pain caused by periodontal disease, abscessed teeth, and stomatitis. Distemper and pseudorabies are other diseases associated with drooling. Other common conditions associated with excessive drooling are heatstroke and motion sickness. Tranquilizers cause drooling, as do many poisons.


When a dog drools for no apparent reason and appears healthy, look for a foreign body in the mouth.

CAUTION: A dog who drools excessively and acts irrationally should be suspected of having rabies.


Treatment depends on the cause of the drooling


Prevention will be based around the precipitating cause of the drooling.


Please contact your veterinarian if you have questions or concerns regarding this condition.

Show Sources & Contributors +


Dog Owners Home Veterinary Handbook

Publisher: Wiley Publishing, 2007

Website: http://www.wiley.com/WileyCDA/

Authors: Debra M. Eldredge, Liisa D. Carlson, Delbert G. Carlson, James M. Giffen MD

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