The main reason for the hiccups after drinking alcohol is the following: 1. The gastric mucosa is stimulated, and alcohol can cause stimulation of the gastric mucosa after entering the gut, which can lead to nerve impulses that can cause the diaphragm to contract and cause hiccups. The company’s main business is to provide a wide range of products and services to its customers. The alcohol enters the stomach and brings in too much gas, but it cannot be discharged through the stomach, which can lead to hiccups.