Support Pollyanna's Urgent Medical Needs

I am frantic over the possibility of losing my darling kitty, Pollyanna. I have already spent $1000 on tests for UTI. She was allergic to the penicillin and amoxicillin, so we took her to emergency and they gave us Onsior, which "seemed to work" but she now has peed again outside her litter box, and has not pooped. Pollyanna herself is in distress, and I can tell she's embarrassed, which makes me so worried about her. I cannot and do not have $500 here nor $500 there, more to get her an x-ray or an ultrasound. Please!!! If you can find it in your heart to donate and help my Pollyanna, I will be forever grateful to you, straight from the bottom of my heart!