I really need help pleaseee help me?

I have ed which is like bulimia and anorexia both..Ok today i didnt eat all day just a half cup of chicken broth(soup without the noodles) It going to be 7pm and well i bought all this junk food to binge on, a bag of onion ring chips, 1 chocolate rice crispies, 3 Donut sticks, 1 diet coke, and i plan to have a cheese sandwhich or yogurt with it a purge it all out and then have a laxative..ahh idk what to do anymore, i dont want to do it but my body is craving it..im 17 and for the first time, my last period only lasted one day and i barely bleed and i didnt have cramps like i always have..This thing is horrible and i dont want it anymore but idk..My mom and grandma knows and they dont do anything..and i cant talk to my friends because i dont have that trust in them..i plan to binge and purge right before bed when everyone is asleep so i wont be tempted to eat until tommorow..please help..and dont say eat healthy food instead cuz there is none..helppppppppppppppppppppppppppppppp… I im moving out and starting college in two weeks and i dont want to take my disorder with me..especially when there is a bakery and pizza place and chicken shack right next to where i will live!!!!!!!!