A patient with an abdominal malignancy underwent procedure for celiac plexus block. Which of the following can be the most common complication in this patient?

Anaesthesia

A patient with an abdominal malignancy underwent procedure for celiac plexus block. Which of the following can be the most common complication in this patient?

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?