Acid reflux is when stomach acid reaches the esophagus. Acid escapes from the stomach and passes through a ring of muscle at the end of your food pipe called the lower esophageal sphincter (LES). Normally the LES is shut and only opens to allow food through, but a lack of tone or frequent opening can cause acid to leak into the esophagus. There are three main contributing factors to acid reflux symptoms. These are:
The symptoms of acid reflux include:
Acid reflux can have many causes. It can be avoided through changing lifestyle habits including how often, how much and what foods and beverages you consume. Exercising to lose weight and avoiding drugs such as alcohol and cigarettes will also help. Medications (over the counter medications and those prescribed by a doctor) and then surgery if necessary are solutions to persistent acid reflux. Remember to consult your doctor particularly if your symptoms are persistent, troublesome or you have additional symptoms indicating you may have a condition other than acid reflux.
https://www.health.harvard.edu/digestive-health/9-ways-to-relieve-acid-reflux-without-medication
https://www.medicalnewstoday.com/articles/146619#causes
https://www.nhs.uk/conditions/heartburn-and-acid-reflux/