The treatment is for allergic pharyngitis and also for gastric reflux. Probably the doctor felt thats the cause based on your input. If its not working pl give detailed history.
Next Steps
Get a second opinion from an ENT specialist
Health Tips
Till the consultation:
1. Continue warm salt water gargles
2. Avoid sour food
3. Avoid cold food and drinks
4. Reduce spice and oil in diet