Sixteen months is far too young to be able to work a doorknob. Furthermore, it is inexcusably young to be able to open a child-proof cap.
Your harried parents
Dear K's bladder,
We're giving you a third round of antibiotics, and even taking you for an ultrasound just to say hello and make sure you're doing okay. So if you've been feeling neglected, I think we're giving you more than enough attention now. Please get better this time, okay?
Dear bacteria in K's bladder,
DIE DIE DIE DIE DIE DIE DIE