Hello,
The causes of
excessive salivation are:
1.
Morning sickness or nausea during pregnancy.
2. Sinus, throat, or peri-tonsillar infections.
3. Poisonous spider bites, reptile venom, and poisonous mushrooms.
4. False teeth.
5. Ulcers, inflammation, or pain in the mouth poor
oral hygiene.
6. Severe infections such as rabies or
tuberculosis.
7. Severe or sudden pain.
8. Regurgitation of saliva during heartburn.
9. Jaw fractures or dislocation.
Until examination is done, it is difficult to say what it is. Please consult your doctor, he will examine and treat you accordingly.
Hope I have answered your query. Let me know if I can assist you further.
Regards,
Dr. Penchila Prasad Kandikattu