A Patient is on regular medications for co-existing medical problems. Which of the following drugs may be stopped safely with minimal risk of adverse effects before an abdominal surgery

Anaesthesia

A Patient is on regular medications for co-existing medical problems. Which of the following drugs may be stopped safely with minimal risk of adverse effects before an abdominal surgery

Allergy in immediate perioperative period is due to:

All of the following are true about lumbar puncture except:

Which of these is most commonly used as pre-anesthetic medication?