What to Expect Before IV Sedation at the Dentist

If you have a dental appointment coming up with IV sedation, it is completely normal to feel a mix of relief and nerves. You chose sedation for a reason — whether that is dental anxiety, a complex procedure, or simply wanting to get through treatment without the usual stress. The good news is that IV sedation is safe, well-established, and remarkably comfortable.

This guide covers things you need to know and do before your IV sedation appointment at Sandgate Bayside Dental — from fasting and medications through to what to bring and what the morning of your appointment will feel like.

If you want to understand what happens during the appointment, see our IV sedation Brisbane page. For what to expect after you leave, read our aftercare guide.

Fasting Before IV Sedation — What You Can and Cannot Eat or Drink

Fasting is the most important preparation step and the one patients most often have questions about. The reason is straightforward: IV sedation suppresses certain protective reflexes, and having food or liquid in your stomach during sedation increases the risk of aspiration — where stomach contents can enter the airway. This risk is small but serious, which is why the fasting rules are strict.

General fasting guidelines for IV sedation:

• No food for at least 8 hours before your appointment. This includes all solid food, chewing gum, and lollies.
• No milk or milk-based drinks for at least 8 hours. This includes coffee with milk, milky tea, protein shakes, and smoothies.
• Clear fluids (water only) may be permitted up to 2 hours before in many cases — but always confirm this specifically with our team at your pre-appointment call, as this depends on your individual situation and the procedure planned.
• No alcohol for at least 24 hours before your appointment. Alcohol interacts with sedative medications and can unpredictably affect how sedation works.

Medications — What to Take and What to Stop

This is where many patients feel uncertain. The general rule is: continue taking your regular daily medications with a small sip of water unless you have been told otherwise. However, there are important exceptions.

Medications that typically need to be discussed or paused:

• Blood thinners (warfarin, aspirin, clopidogrel, newer anticoagulants) — these affect bleeding during dental procedures. Whether to pause depends on the procedure and your medical history. Your treating doctor and our team will coordinate this.
• Diabetes medications (insulin, metformin, other glucose-lowering drugs) — fasting changes how these work. You will usually need specific guidance on doses on the day of treatment.
• Herbal supplements and fish oil — these can affect bleeding and should generally be paused 7–10 days before.
• Recreational drugs — these interact unpredictably with sedative agents. Full disclosure at your consultation is essential for your safety.

At your pre-sedation consultation, bring a complete list of all medications and supplements you take — including doses. If you are unsure about any specific medication, call us on 3269 2443 before your appointment rather than making the call yourself on the day.

What to Arrange Before Your Appointment

IV sedation requires a few practical arrangements that should be in place well before the day, not the morning of.

You must have a responsible adult to drive you home

This is non-negotiable. You cannot drive, take a rideshare alone, or catch public transport after IV sedation. The sedative effects linger for several hours after the appointment ends — reaction times are impaired and judgment is affected even when you feel you are fine.

Your driver must be present at the clinic to collect you and take you directly home. They should plan to stay with you or be contactable for the rest of the day.

Plan for the rest of the day off

Most patients feel well enough to potter around at home by the afternoon, but this varies. Do not plan anything that requires concentration, physical effort, or important decisions for the remainder of the day. That includes work, looking after children alone, signing documents, or making significant financial decisions.

Arrange childcare and pet care if needed

If you have children or pets at home, make sure someone else can manage them for the rest of the day after your appointment. You will need to rest.

What to Wear and Bring on the Day

Wear:

• Loose, comfortable clothing — avoid tight sleeves as the IV cannula goes into your arm and rolled-up sleeves are easier to manage
• Comfortable, flat shoes
• No nail polish on the fingers if possible — we use a pulse oximeter clipped to your finger to monitor oxygen levels throughout the procedure

Bring:

• A complete list of your current medications and doses
• Your Medicare card and health fund card
• Your driver — confirmed and ready to wait
• Any referral letters or imaging you have been asked to bring

Leave at home:

• Contact lenses — remove these before coming in, or bring your glasses case to store them during the procedure
• Jewellery and valuables

The Morning of Your IV Sedation Appointment

Here is what a typical morning looks like for a patient coming in for IV sedation:

• Wake up and take any approved medications with the smallest sip of water only (Discuss this with sedationist beforehand)
• No breakfast (remember the 6-hour rule — if your appointment is at 10am, your last food should have been no later than 2am)
• Shower and dress comfortably
• Arrive at Sandgate Bayside Dental with your driver at least 10–15 minutes before your appointment time
• Let reception know you have arrived — you will be taken through to prepare before your scheduled time

When you arrive, one of our team will go through a short pre-procedure checklist with you — confirming you have fasted, checking your medications, and making sure you have your driver ready. This is a good moment to raise any last questions or concerns.

What Does It Feel Like When the IV Is Placed?

One of the most common questions we get is: “Will the IV needle hurt?”

A small cannula is placed into a vein, usually on the back of your hand or the inside of your elbow. Before this happens, we apply a numbing cream or spray to the area. Most patients describe a brief sensation — pressure or a slight pinch — that passes in seconds. The cannula then stays in place and is not uncomfortable once in position.

The sedative medication flows through the cannula gradually. Most patients describe a warm, floating feeling and then simply feel calm and relaxed very quickly. The transition from awake to sedated is gentle — not a sudden switch — and our team monitors you throughout.

You will remain responsive. Unlike general anaesthesia, IV sedation does not render you completely unconscious. You can respond to instructions and move if needed. However, most patients have little to no memory of the appointment afterwards, which is one of the key reasons patients find it so effective for dental anxiety.

IV Sedation vs Oral Sedation — What Is the Difference?

At Sandgate Bayside Dental we offer both IV sedation and oral sedation. Understanding the difference helps you know what to prepare for.

For a detailed comparison, read our IV sedation vs oral sedation guide.

What Dental Procedures Can Be Done Under IV Sedation?

At Sandgate Bayside Dental, IV sedation is available for a wide range of procedures — not just complex surgical cases. Common procedures performed under IV sedation include:

• Wisdom teeth removal — particularly for impacted teeth or patients who want to have multiple wisdom teeth removed in one visit
• Dental implants — including full arch All-on-X procedures
• Root canal treatment — for patients with significant anxiety around this procedure
• Multiple fillings or crowns in a single visit
• General dentistry for highly anxious patients who struggle to tolerate any dental treatment while awake

The ability to complete multiple procedures in a single sedation appointment is a significant practical advantage — fewer appointments, less disruption to work and family life, and the psychological benefit of getting a large amount of dental work done at once.

Frequently Asked Questions

Can I eat or drink anything before IV sedation?

No food or milk-based drinks for at least 8 hours before your appointment. Plain water may be permitted up to 2 hours before in many cases — confirm this with our team at your pre-appointment call as it depends on your specific procedure and health history.

Do I need to stop taking my regular medications?

For most regular daily medications, continue taking them with a small sip of water. However, blood thinners, diabetes medications, herbal supplements, and certain other drugs need to be discussed beforehand. Bring a full medication list to your consultation and call us if you are unsure about anything specific before the appointment.

Can I drive myself home after IV sedation?

No. You must have a responsible adult who can drive you home and stay with you for the rest of the day. You cannot drive, take public transport alone, or use a rideshare unaccompanied.

Does the IV needle hurt?

We apply a numbing cream or spray to the area before placing the cannula. Most patients feel a brief pressure or mild pinch that passes within seconds. Once the cannula is in position it is not uncomfortable. The sedative medication then flows through gradually and most patients feel calm and relaxed very quickly.

Will I be completely unconscious?

No — IV sedation is not general anaesthesia. You will be in a deeply relaxed state and remain responsive to verbal instructions, but most patients have little to no memory of the appointment afterwards. You will not feel anxious, fearful, or uncomfortable during the procedure.

How long before my appointment should I arrive?

Aim to arrive 10–15 minutes before your scheduled appointment time. This allows us to complete the pre-procedure check, confirm your fasting and medication status, and get you settled before treatment begins.

What should I do after IV sedation?

Go straight home with your driver and rest for the remainder of the day. Avoid driving, alcohol, important decisions, and strenuous activity for 24 hours. For a full guide on recovery, see our aftercare page.