I think I may have diabetes Help?

Hi everyone, I hope I get some advice in here well I'm a 20 year old girl my height is 5"7' and I weigh in 117 ! Lately I haven't bn feeling good I'm feeling really sick! This are the symtoms that I've feeling, Fatigue,Drowyness, Thirsty, Tired, Cramping, Peeing, Blurry Vision, I crash fast when I eat, my veins POP out, my heart starts beating fast, my face gets red like I don't have circulation in my head! Please what should I do I need help!