hiii dear it is social phobia mostly it is depend upon your brought up and environment that have u lived till date feeling anxious in public is very common this is because fear of being humiliated or criticized that affects your performers also u have to lean cop up skills exposure therapy is the best stay there ,, if u feel anxiety than stay there learn to modify your self think positive and be confident this phobia will go when u start facing situations not by avoiding it learn from you experience anxiety features are transient ,, not every time present when you facing repeatedly it will gradually decrease and u become more confident this is ideal way to learn certain medicines will help but it is for temporary.. do meditations exercise step out in public try to expose your self, face the problems whatever than n than u will learn get well soon take care