Neophobia is an irrational fear of new things or experiences. It is a common phobia that can affect people of all ages and backgrounds. People with neophobia may experience extreme anxiety when faced with unfamiliar situations, objects, or people. Symptoms of neophobia can include avoidance, panic attacks,
From Wikipedia
Neophobia is the fear of anything new. In its milder form, it can manifest as the unwillingness to try new things or break from routine. In the context of human children, the term is generally used to indicate a tendency to reject unknown or novel foods. Food neophobia, as it may be referred to, is an important concern in pediatric psychology.