It's GERD.
Avoid spicy and oily food.
Keep your self hydrated.
Reduce your caffeine intake.
Don't eat and lie down keep atleast 2 hours of gap.
Do some physical activity.
Don't over eat.
Avoid alcohol.
Stop smoking if you do.
Take tab patop D SR twice in a day for a week. Empty stomach.
If headache is unbearable then take paracetamol.
Next Steps
consult for better evaluation and treatment.
Health Tips
expecting everything for free is not good.