Hello, there seems to be two problems, may be related but need separate evaluation. The ringing in ear and imbalance may be due to weakness of the nerve of ear, this will require hearing test called as audiometry and tympanometry. The salty feeling in throat and thirst and sputum looks like gastric reflux. This will need medications failing which upper GI endoscopy.
Next Steps
Consult an ENT specialist online or locally and then a gastroenterologist
Health Tips
For throat:
1. Avoid spicy oily food items
2. Avoid smoking and alcohol
For ear :
1.Take steam inhalation
2. Fo Valsalva manoeuvre (look for video on YouTube)