The symptoms look like block of eustacian tube (the tube connecting ear to nose). It is usually due to nasal block or allergy. It should resolve in couple of days with following home remedies. If persistant , then it will need medications.
Next Steps
Is persistence of symptoms after home remedies, consult ENT specialist online or locally
Health Tips
Start following home remedies:
1. steam inhalation twice daily
2. Valsalva manoeuvre (pl see YouTube videos for guidance)