I don't have much advise, just wanted to tell you I hope they do agree with a picc line, at least then you don't have to worry about being a pincushion.
Are you able to keep liquids down? Could you drink Gatorade?
Hope things get better for you! Sounds like you've been through a lot lately.
31 yr old female-dx with Crohn's in '97 after emergency resection and appendectomy, 2nd resection '05
Currently on Humira, Prilosec, Effexor, Seroquel, Calcium, Vit D, sublingual B12; phenergan, ultram, clonazepam as needed