<s>[INST] i have exess saliva and i dont know why it is happening i went to many ent doctors and dentist but no soloution but there is basic problem i always feel my mouth heel up specially tongue area it feels infected but doctors says there is nothing but i feel problems realted to it [/INST] Hello, thank you for consulting with healthcaremagic. There can be many causes for this increased salivation in mouth, can be oral ulcers, gastric problem, salivary gland problem, any autoimmune disease or some neurological problem.Better once you consult an oral medicine specialist, as he can diagnose the problem and go for other investigations.Hope it will help you. Thank you. </s>