She probably has internal scarring from all the (useless) operations she's had. My grandmother has a lot of scar tissue and is prone to kidney infections.How can she get an kidney infection?? She never leaves her flat, has no sex (you can get bacteria from it, that leads to an kidney infection) ... basically she just sits all day on her sofa?! Was she to long in the bathtub and the water got cold? I had two kidney infections and only because I had an cystis (I’m nor sure if its the right word in english), that wouldn’t go away... but who knows