All preeclampsia symptoms... but NORMAL blood pressure and NO protein in urine!! HELP!?

ive had a headache for three days now... i get dizzy when i wake up and sometimes nauseated... sometimes wen i get up i get blurred vision! but wen i went to the hospital today after putting up with it for 3 day they just gave me pain pills... and it still doest take my pain away! my hands and feet swell upp for everything! if i eat anything they swell.. i was very athletic before so all i drink is water! there is no way i can be dehydrated! so ... wen i went the hospital my blood pressure was good and had no preotein in my urine.. is it possible to have preeclampsia with out high blood pressure and protein in my urine!! please help! i have an appt with my doc 2 marrow! could he possibly induce me?? im 40 weeks already....