specific phobia

A specific phobia is a generic term for any kind of anxiety disorder that amounts to an unreasonable or irrational fear related to exposure to specific objects or situations. As a result, the affected persons tend to actively avoid direct contact with the objects or situations, and in severe cases any mention or depiction of them.
See more at Wikipedia.org...

Specific phobia Psychology A persistent, irrational fear of an object, activity or situation that compels a person to avoid it, evoking distress and [more]Specific phobia - Community and Resources