Having Anxiety Problems. Affecting Personal Life Severely. Suggestions?

i found out that i have anxiety 3 weeks ago since i have been on the tablets it has got worse , and i cant explane my problem when i get to the doctors , everywhere i go not just people i don't know i go red for nothing at all this can happen in front of my mum , girlfriend ect.. for e.g i was at my auntis house 2 days ago and my auntis friend came around and i started burning up going really hot getting bad sweats and bad dry mouth to the point where i could not talk , i did not even dare ask for a drink at my own auntis cause if i spoke i felt like i was going to cry for no reason what so ever then 15 mins or so later i walked out of the house with out saying bye my house is all up hill from there i was walking home feeling very ill bad stomac ache feeling sick and dizzy when i got home i ran to tap drinking water then saying to my mum she needs to come doctors with me cause it makes me feel unusial and down for no reason i no matter who i explane it to its like the dont under stand me , im on 10mg proponolol tablets was told to take 2 but now take 4 as that did not work and is still not working , this is really affecting my life as i am only 18 and want a job but befor a job i have to go to a job interview witch i have walked out of one due to my problem , i feel my doctor is useless to me and does not under stand how bad this affects my life bye making me feel down all the time