Make sure she’s getting plenty of fluids. Maybe call around to see if there’s any vets who would help while allowing you to pay in small payments if it continues for too long or gets worse. Might be an infection or something.
I just talked to my moms friend whose a vet tec, she says if she goes back to bein lethargic and her pee doesnt clear up with clean water to giive her a call and shell give us some antibiotics. Man I hope her pee clears up