Suggest Remedy For Chronic Acid Reflux And Headache

I m female of 49 years old and I am having acidity for some time and I have taken endoscopy and it was normal and whenever I get acidity I m getting early morning headache and after taking something to drink it goes away. ...and for taking rabibrazole and gaviscon I m fine. ....otherwise I don't get headache. ....Please doctor guide me what I should do. ..