Thanks for choosing H.C.M. for your query.
By your query I came to knew that you are having tightness in throat on right side with difficulty in swallowing.
Though you are being examined by ENT doctor and he find nothing abnormal in throat therefore possibilities are-
( gastro esophageal reflux disease
2- Cardiac problem- though chances are very less but some times cardiac problems presents as tightness in neck or chest.
Anyway at present you may take -
2- Avoid spicy foods.
3- take plenty of fluid.
4- Take proper rest.
I hope now your doubts are clear.