Answer:
Hiccups often come after eating or drinking too much or too quickly. The stomach, which is directly below the diaphragm, becomes distended. This irritates the diaphragm and causes it to contract, as it does when we breathe in.
You can try these methods at home to get rid of hiccups: Methods that cause the body to retain carbon dioxide, which is thought to relax and stop the spasms of the diaphragm, which cause the hiccups: Hold your breath.
Explanation:
In all of the cases that I've seen it is usually subtractive, but most of the time it depends on how old the child is.
Your brain and heart hope this helps
