37. Patient LH (male, 90 years old, weight 57 kg) is a nu…
37. Patient LH (male, 90 years old, weight 57 kg) is a nursing home resident with frailty. He has a long-term indwelling urinary catheter in situ due to benign prostatic hyperplasia causing bladder outlet obstruction. This was last changed 3 days ago. He currently takes only paracetamol 1 g when required four times daily and has no known drug allergies. Today he is unwell with lethargy, confusion, nausea, flank pain and a temperature of 38.2°C.Which initial management option is MOST APPROPRIATE?