For an older adult, a stay in the hospital can come with an unexpected and frightening side effect: delirium. If you’ve ever visited an elderly parent or grandparent in the hospital and found them suddenly confused, disoriented, or not themselves, you’ve witnessed this condition. Hospital delirium is an acute state of mental confusion that happens to many seniors during an illness or after surgery. It’s often called a “hidden risk” because it’s not the illness that brought them to the hospital - it’s a complication that arises from the hospitalisation itself, and it can be easily overlooked or misattributed to something like dementia. However, delirium is usually temporary and treatable, and recognising it early can make a big difference. What Is Delirium? Delirium is an abrupt change in brain function that causes confusion and difficulty with attention and clear thinking. It develops over hours to a couple of days and fluctuates through the day. People may be disoriented, ...