Periodontal disease –
Tooth and gum infections can cause excess drooling. Providing dental care at home
will keep the teeth clean and healthy. In addition, yearly or bi-yearly professional cleanings are recommended. Even so, there is always the possibility of infection and drooling is one of the signs of this.
The salivary glands can become infected. Some glands such as the zygomatic salivary gland is located high on the face, near the cheek bone. Infection here can cause drooling, eye discharge and swelling around the eye.
Cysts and Tumors –
While rare, and tumors that can develop in the head or neck region and drooling is one of the symptoms of this.