I feel gas in my esophagus. What's going on?

1. Unreasonable diet

and unreasonable intake of gas-producing food in a short time lead to the accumulation of a large amount of gas in the gastrointestinal tract, which can cause the feeling of gas going up.

2.

Indigestion in patients with dyspepsia leads to abnormal emptying of food in the stomach, which can be expressed as gas going up.

3. Gastroesophageal reflux

patients with gastric contents reflux into the esophagus after eating, and gas can appear up.