When your hiccup symptoms are very severe, it may be that you have a hiccuff allergy.
This is called anaphylaxis.
Hiccups can also be a sign that you are allergic to certain foods, which may make it difficult to eat certain foods.
The most common type of hiccUP is called a rhinitis or eczema, but there are other hiccUps, too.
These can include: Anaphylactic reactions that are triggered by allergic substances such as pollen, wool, glue, or other substances.