HELP!!!!!!! HELP!!!!!!!!

My hairless pet rata Crackers hasn't been actuación like herself.
She use to be extremely active,hyper, and annoying but today she was as slow as a tortuga and usually when I hand her comida she'll almost bit my finger of now she could barley hold it!!!!! i can't take her to the vet either cause the money so please some one help me!!!!!!! .><.