Emetophobia – Fear of vomit
This Redditor was diagnosed with emetophobia, a phobia that causes intense anxiety while vomiting or seeing the vomit of another. People who fear vomiting may avoid traveling or fun activities like roller coasters because they worry about motion sickness or others experiencing it near them.
It is also not uncommon for most emetophobic to be underweight or undergo a strict diet to restrict themselves from vomiting. They are also known to be neat freaks and shy away from germs. If there happens to be alcohol or children in a social gathering, emetophobes would rather not attend for fear of vomiting.