How can i control my chronic anxiety?

i suffer with severe chronic anxiety and everytime i go out i end up having panic attacks and feel so scared and if anyone talks to me i start to tremble and cant talk cos my mouth is so slow at talking and so nervous ,, i am so scared i cant control it when im out and feel so irritated and angry i have to suffer with thi horrrible problem all the time,, the psychiatric refused to give me some benzos so im left suffering with panic attacks when im out, i get so scared about people judging me so much and feeel no one likes me and cant hold a conversation due to my anxiety,, please any advice or help