Premedication

• Lorazepam, 1–2 mg, oral, the night before surgery and 1–2 hours preoperatively
  • Use half the dose in the elderly.
  • Duration of action (10-20 hours).
  • Unsuitable for day case surgery.

LoEIII [2]

• Midazolam, 5-7.5mg oral, one hour preoperatively.
  • Use only in healthy adults < 65 years of age.
  • Duration of action 1–4 hours.
  • Suitable for day case surgery.

LoEIII [3]