I've had anxiety my whole life. i don't know why it is worst when i'm at school or in supermarkets and driving. how can i lessen it when im out?

Anxiety: Firstly i would suggest you talk to your pmd and perhaps a referral to a psychologist will be helpful. You need to be taught coping and environmental modification thought skills.Its not impossible to overcome this. Some childhood issues may have resulted in this situation., .

CBT: Recommend that you see a behavioral health provider who is trained in cognitive behavioral therapy. If you have not had a comprehensive psychological assessment - should do so. Are you diagnosed with agoraphobia?