According to your sign and symptom you are suffering from hypersalivation as temporary due to infection and constant sialorrhoea due to some muscle disorder due to nerve infection.
For treatment point of view you should take consultation as i need more history to make correct diagnosis and treatment.
Take some relaxant Flexon Mr and glycopyrolate and scopolamine with Multivitamin.
Next Steps
You should maintain hygiene .
Health Tips
please keep positive attitude to fight any disease any problem of your life.