The preparation process in anticipation of being sedated is different depending on the type of sedation you are receiving. Nitrous oxide requires very minimal preparation because it has a very quick onset and is a mild sedative.
You just need to fast for 2 hours leading up to your appointment. Eat a light breakfast like toast and have some water about 2 hours before your appointment and then stop eating and drinking. This will prevent you from feeling nauseous or throwing up.
To prepare for oral conscious sedation, however, you will need to fast for 6 hours leading up to the appointment. This is why it’s best to schedule this appointment for first thing in the morning. You should get plenty of rest the night before and arrange to take the day off from work or any other responsibilities.
Because oral conscious sedation needs to be taken orally about an hour before your appointment, you will need someone to drive you to and from your appointment. Once you ingest the medication, you will not be allowed to drive for the next 24 hours. You should also arrange for someone to monitor you for the rest of the day.