As far as my default mental model goes, ugh-field is a term that's specific enough to filter out your examples. But I have no problem accepting a mental model that defines the term more broadly. How narrowly you want to define terms always depends on the purpose for which you want to use them.

A surgery altering the tongue so that consuming food is painful.

Even if you want to lose weight, you probably don't want all eating to hurt. There's however the real world treatment of barbaric surgery that works for most people who want to lose weight. It's however not without it's issues.