Bitter herbs can be great for anyone dealing with acid reflux due to low stomach acid levels this is because bitter herbs and foods stimulate the vagus nerve on the back of the tongue which signals to the brain and stomach to produce more digestive secretions ( 1 ). Can acid reflux cause oral thrush. When the gas pushes past the esophageal sphincter, it takes stomach acid with it into the esophagus leading to the burning known as heartburn over time this can lead to erosion of the esophagus under production of stomach acid the other cause of reflux is under production of stomach acid (hydrochloric acid, hcl).
can acid reflux cause oral thrush