I know this sounds weird, but are kidney infections contagious? The three girls that sit beside me at work have all gotten one, about one person every two weeks, and it's going in a row. I was just laughing about me being the next person in line, but now my back is hurting where my right kidney is. All the other girls eat out every day, and one drinks a lot of sodas. But I don't do either, although my main dinner is TVDinners, which I realize have all those preservatives in them. Anyways, I'm just curious.