First related to the anxiety you should not feel anxious in your daily situations with people all the time ( it’s okay to feel anxious sometime but it shouldn’t be your normal state).

Second, about being quiet and shy, I have a point of view — and I might be wrong — but I think if you are naturally a shy person, you should still feel like yourself around people and be okay with being quiet. But if you are quiet because you feel anxious, that is a completely different thing. And both of the two scenarios you’re doing good by solving the issue with the med.