A gastroenterologist treats stomach and intestinal problems.

Bismuth subsalicylate is used to treat diarrhea, nausea, heartburn, indigestion, and upset stomach.

Lansoprazole is used to treat and prevent stomach and intestinal ulcers, erosive esophagitis (damage to the esophagus from stomach acid), and other conditions involving excessive stomach acid such as Zollinger-Ellison syndrome.

Cherry laurel water is used for treating cough, colds, trouble sleeping (insomnia), stomach and intestinal spasms, vomiting, muscle spasms, pain, and cancer.

This medication is also used to treat certain stomach and throat problems caused by too much acid (e.g., Zollinger-Ellison syndrome, erosive esophagitis) or a backward flow of stomach acid into the esophagus (gastroesophageal reflux disease-GERD).

It is used to treat certain stomach and esophagus problems (such as acid reflux, ulcers).

It is used as an antacid to treat heartburn, indigestion, and upset stomach.

Ginger has been a favorite remedy of Chinese medicine for centuries and is often used to treat nausea and upset stomach.

Gotu kola has been used orally (by mouth) in alternative medicine as an aid to treating anxiety, depression, fatigue, memory loss, colds and flu, upset stomach, diarrhea, ulcer, bladder infections, liver problems, and diabetes.

People take lungwort to treat breathing conditions, stomach and intestinal ailments, and kidney and urinary tract problems.