I think you have named your phobia:
In addition, two studies reported dACC increases during anticipatory anxiety ...
Interaction between smoking rate and anxiety sensitivity: Relation to anticipatory anxiety and panic-relevant avoidance among daily smokers
If you are hesitant to use anxiety, fear is a notch down.
If you want to increase it, there is panic.
Anticipatory anxiety may also shape behavior (i.e. decisions about how to behave, what to say, where to go, etc.) in hopes of avoiding a return of symptoms. At lower levels this fear is referred to as ordinary “worry;” at higher levels it may become so intense that it can be called “anticipatory panic.”