Salivation; Excessive saliva; Too much saliva; Sialorrhea
Drooling is generally caused by:
Problems keeping saliva in the mouth
Problems with swallowing
Too much saliva production
Some people with drooling problems are at increased risk of breathing saliva, food, or fluids into the lungs. This may cause harm if there is a problem with the body's normal reflexes (such as gagging and coughing).
Some drooling in infants and toddlers is normal. It may occur with teething. Drooling in infants and young children may get worse with colds and allergies.
Drooling may happen if your body makes too much saliva. Infections can cause this, including:
Gingrich C, Carroll W. Neurology. In: Rakel RE, Rakel DP eds. Textbook of Family Medicine. 8th ed. Philadelphia, Pa: Saunders Elsevier; 2011:chap 42.
Linda J. Vorvick, MD, Medical Director and Director of Didactic Curriculum, MEDEX Northwest Division of Physician Assistant Studies, Department of Family Medicine, UW Medicine, School of Medicine, University of Washington. Also reviewed by David Zieve, MD, MHA, Isla Ogilvie, PhD, and the A.D.A.M. Editorial team.