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Anaesthetic Services


How long do I fast before surgery?

To reduce the risk of food or fluid in the stomach being inhaled into your lungs whilst unconscious, it is important that you follow the fasting guidelines.

For a morning procedure, no food (including chewing gum) should be taken after midnight. You can continue to have clear fluids, e.g. water or diluted squash until 5am on the morning of surgery.

For an afternoon procedure you may have an early light breakfast before 6am. No food (including chewing gum) should be taken there after. You can continue to have clear fluids, e.g.water or diluted squash until 11am on the day of surgery.

Should I continue my regular medication?

Many medications are safe to take on the day of surgery with a small sip of water. Some medications like blood-thinners (Aspirin, Warfarin, Clopidogrel) and Anti-diabetics should be stopped or modified before the operation. It is always advisable to contact your Surgeon or Anaesthetist to discuss this.

We recommend stopping all Herbal and non-prescription medication prior to surgery.

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