You are suffering from Eustachian tube dysfunction (Patulous Eustachian tube) causing Autophony.
Causes of patulous Eustachian tube dysfunction include:
Weight loss
Chronic neuromuscular or immunological disease
Chronic nasal allergy
A history of acid reflux disease
Stress and anxiety
Next Steps
Medical treatment for patulous Eustachian tube dysfunction includes:
Limiting decongestants and caffeine
Drinking more water
Medicated nasal drops
Surgery for patulous Eustachian tube dysfunction includes:
Implants
Fillers
Grafts or fat transfers