A 55-year-old man presents with severe generalised headache, confusion, and photophobia. Temperature is 39.2°C, and he has neck stiffness. What is the most appropriate immediate management?AOrder CT head and delay antibiotics until after imagingBPerform lumbar puncture immediately without giving antibioticsCStart empirical intravenous antibiotics and dexamethasone as soon as possible, after blood culturesDTreat with oral antibiotics and dischargeEObserve only and reassess in 12 hoursCheck my answer