Heartburn reasons are..

Gastritis, ulcer,tumor, hernia of diaphragm hole, where a first symptoms is heartburn.
If she very often,and stops your life,as if glass of milk, or fromage will not help you,and do not burn a heartburn with soda,she causes gasesand widen stomach,a base help is antacids are maalox,fosfalugel, or white cabbage juice,as 1/2 glass and of raw potato 1/3 glass,or 20 gr of hypericum, cudweed, yarrow, as three tbl.sp. mass ads in one l. of hot water, infuse 2 hours, drink 1/2 glass for 4 times/day,and good helps is Centaurea infusion of one tbl.sp. herb in two glasses of hot water.