I hope your stomach is fine and you do not have constipation
If you do have take care of that and can take--
Antireflux management after consulting your doctor
gel 2 tsf two times a day half an hour before mealsmultivitamin
Keep head end of bed elevated.
Avoid alcohol, Smoking
Do brisk walking daily
Go for walk after dinner
Avoid spicy food
Avoid late night coffee
actually reflux is one of the major cause of throat problems and that too after a course of antibiotics .