[b]is it agoraphobia?[/b]

When i m with lots of people i cant be around them for more than 10 minutes..or seconds but when i m with few i m ok..with lots of people i feel like i m gonna die or something like that,i want to leave..also when i have to cross a road with many cars,in college with lots of students..i dont know if its agoraphobia but i want this to stop.i cant..its like running away from someone..what should i do?

That sounds like Social Phobia to me. With agoraphobia you usually don't like new places or open places where you don't have "escape routes" planned. At least, that's what my friend seems to be like. It's more a fear of the space than the people in it.