There are number of causes for the heart burn and for those who are facing it, they must avoid all those things which can lead to trigger acid reflux and by changing lifestyle.
One of the major causes for the heart burn is irritation in the lower esophageal sphincter or les which is the valve muscle and food is passed through it before entering the stomach. Then food is prevented from passing up because les is closed. As esophagus do not have protective layer from acid, the stomach acid travel upward toward the esophagus and forming pain in les.

 

There are many types of foods which can become major causes for the heart burn like chocolates, tea, and coffee. All these contain theo-bromine which relaxes the muscle of esophagus to enter the stomach acid in it and forming pain in les. Alcohol is able to make stomach acid more and it is dangerous to cause heart burn as well.
Fatty and fried stuff is another cause for the heart burn because high concentration of fats can increase pressure in the stomach and it causes hard digestion. It can weaken the LES and when eating extra meals,

 

 

this concept is same. Other causes may include tobacco and tight clothing around stomach portion may include for heart burn.
Avoiding as much as possible the acid contents can save one from heart burns and it is really important for one who is suffering with heart burns to consult a doctor. Some medications can overcome the problem of weaken muscle of LES to relieve heart burn. Women at time of pregnancy have this problem number of times. They must follow consultation of gynecologist for treatment.