The symptoms suggest of social anxiety disorder. But we need to know a lot of details to come to a confirmed diagnosis. There can be lot of associated issues. You need to consult a psychiatrist for detailed evaluation and management

Hi , you do not require tablet just for those thoughts. You could have developed this due to various reasons and situations which you can't even remember. there will always be some reason for every behaviour. so you need to visit a Psychological Counsellor in your city and share your past experiences and emotions which is attached to those. They might give you some clarity and solutuons to handle to situatiuons

Dear friend u hv to increase ur confidence level and motivate urself that nothing wrong wl happen. Y to take medicine first. Later u can think about medicines. Best wishes

To suggest any medication, first of all one has to diagnose your problem, it can be social anxiety or any other anxiety disorder, consult a psychiatrist, if you want you can take green tea extract call L theanine which helps in anxiety, it's called tab thealife 100mg twice a day for one month and see if it helps you