How to Prepare for a CT Scan

This guide outlines how to prepare for your CT scan, including what to wear, eating and drinking instructions, and information about contrast dye. Following these steps helps ensure accurate images and a smooth appointment.

New to CT? Read What Is a CT Scan and How Does It Work? for a simple overview before your appointment.

Check your referral

Your referral form or booking confirmation will specify whether your scan requires contrast. Preparation can differ depending on the type of CT ordered by your doctor.

Unsure why CT was requested? See Why Your Doctor Might Refer You for a CT Scan.

General preparation

  • Bring your referral, Medicare card, and any previous imaging if available.
  • Arrive 10–15 minutes before your appointment to complete forms.
  • Wear loose, comfortable clothing without metal zips, belts, or buttons.
  • Leave jewellery, watches, and piercings at home when possible.
  • Continue taking your usual medications unless instructed otherwise.

Fasting and hydration

  • If your scan uses contrast, avoid eating for 2–4 hours before your appointment.
  • Drink water to stay hydrated; clear fluids are usually fine.
  • If your scan does not use contrast, you can generally eat and drink normally.

Learn how contrast affects preparation in CT Scan with Contrast vs Without Contrast.

Patients with diabetes or kidney conditions

  • Tell us if you have diabetes or kidney problems. These conditions can affect how your body handles contrast dye.
  • If you take metformin, you may need to pause it temporarily after your scan. We will give specific instructions.
  • Bring a list of current medications with you.

Contrast injection preparation

  • For contrast scans, a small IV cannula will be placed in your arm.
  • Let staff know if you have had any reaction to iodine contrast before.
  • Inform us of asthma, allergies, thyroid disease, or if you are pregnant or breastfeeding.

For more on safety, read Are CT Scans Safe?

Pregnancy and children

  • If you are or might be pregnant, inform us before your scan. We will assess whether CT is necessary or suggest an alternative such as ultrasound or MRI.
  • For children, we tailor scanning protocols to keep radiation dose as low as possible.

On the day of your scan

  1. Arrive a few minutes early to complete your questionnaire.
  2. Remove metal items and change into a gown if required.
  3. If contrast is used, you will have a brief consultation before the injection.
  4. Relax and follow the radiographer’s instructions during the scan.

Curious what happens during the scan? Read What to Expect During a CT Scan.

After your scan

  • If you had contrast, drink extra water through the day to help flush it from your body.
  • You can eat, drink, and resume normal activities immediately unless told otherwise.
  • If you notice redness, swelling, or pain at the injection site, contact us or your GP.

Quick checklist

  • Referral and Medicare card ready
  • Loose, metal-free clothing
  • Follow fasting instructions if contrast is used
  • Drink water before and after
  • Arrive early to allow time for paperwork

In summary

Most CT scans require little preparation. Following these simple steps helps ensure clear images and a safe, efficient experience. If you are unsure about fasting, medications, or contrast, contact our team before your appointment.

Gabapentin Buying Guide: What Real Aussies Need To Know Before You Order Online. Visit Our Pharmacy ↓


Gabapentin in Australia: A Doctor's Review for Nerve Pain Relief After 30

By an Australian General Practitioner | For patients over 30 seeking real solutions for nerve pain

ATTENTION: Are You Over 30 and Living with Nerve Pain That Won't Let You Rest?

Do your feet burn at night? Do you feel electric shocks, pins and needles, or numbness that makes walking, sleeping, and even light touch unbearable? If you've had diabetes, shingles, sciatica, or fibromyalgia, you know the exhaustion of trying paracetamol, ibuprofen, or expensive rubs that barely touch the pain.

You are not alone. As a doctor in Australia, I see this every single day — men and women over 30 who have lost sleep, lost patience, and lost hope because ordinary painkillers simply don't work for nerve pain. But there is good news: gabapentin is a well-researched, prescription medicine that has helped thousands of Australian adults regain control of their nights, their mood, and their movement.

INTEREST: What Exactly Is Gabapentin and Why Does It Work for Nerve Pain?

Gabapentin was originally developed for epilepsy, but doctors quickly discovered something remarkable — it calms overactive nerves. When nerves are damaged by diabetes, shingles, compression, or inflammation, they fire abnormal electrical signals that your brain reads as burning, tingling, or shooting pain. Gabapentin helps reduce these abnormal signals, settling the "nerve storm" rather than simply masking the pain.

Unlike opioids, gabapentin is not a narcotic. It is not an anti-inflammatory like ibuprofen, so it won't damage your stomach lining or kidneys the way long-term NSAIDs can. For many Australian patients over 30, this makes it a safer long-term option when prescribed and monitored correctly.

Think of gabapentin as a volume control for damaged nerves. It doesn't make you numb; it helps turn down the noise so you can sleep, work, and enjoy life again.

DESIRE: Imagine Your Life with Less Nerve Pain

Picture this: You go to bed and your feet don't feel like they're on fire. You wake up without that deep ache in your hip. You can sit through a family dinner without shifting every five minutes. You can walk to the letterbox, play with your grandkids, or simply feel like yourself again.

That's what gabapentin has done for many of my patients. Here are the most common pain points I hear — and how gabapentin helps:

Your Pain Point How Gabapentin Can Help
Burning, tingling feet from diabetes Reduces abnormal nerve firing, improves night sleep, and lessens that "walking on hot sand" sensation.
Post-shingles nerve pain (post-herpetic neuralgia) Targets the damaged nerve pathways so pain doesn't become your new normal.
Fibromyalgia aches and poor sleep Often improves sleep quality and reduces widespread nerve-related discomfort — many Australian rheumatologists prescribe it off-label for this.
Sciatica or shooting leg pain Dampens the electric shock sensations and helps you move more freely.
Anxiety around pain flares By reducing pain unpredictability, many patients report feeling calmer and less stressed.

One of the biggest advantages for Australians over 30 is that gabapentin is available as a generic medicine, which means it can be very affordable compared to newer branded drugs. With a valid prescription, you can purchase it from any pharmacy in Australia.

DESIRE: Your Most Important Questions Answered by an Australian Doctor

I know you have questions — and you deserve honest answers. Here are the topics my patients over 30 ask about most often:

Question Doctor's Answer
How to monitor blood sugar while on gabapentin? If you have diabetes or prediabetes, keep checking your fasting glucose and HbA1c every 3–6 months. Gabapentin does not usually lower blood sugar directly, but it can increase appetite and cause weight gain, which may raise glucose levels. Watch for fluid retention, especially if you take insulin or other diabetes medicines. Report any unusual weight gain to your GP.
Can gabapentin be used in children in Australia? In Australia, gabapentin is mainly registered for adults with neuropathic pain and for epilepsy in adults and children over 3 years under specialist care. It is not a first-line medicine for general aches in children. Paediatric use for nerve pain is usually off-label and should always be supervised by a paediatric neurologist or pain specialist.
Does gabapentin interact with cannabis? Yes, it can. Cannabis — especially THC — can increase drowsiness, dizziness, and poor concentration when combined with gabapentin because both affect the central nervous system. If you use medicinal or recreational cannabis, tell your doctor. You may need a lower gabapentin dose and should avoid driving if you feel sedated.
Can I take gabapentin if I have a heart transplant? You need close specialist input. Gabapentin is cleared by the kidneys, and transplant patients often have reduced kidney function. It can also cause swelling or fluid retention, which may strain the heart. There is no absolute ban, but your cardiologist and transplant team must adjust the dose and monitor your kidney function and fluid status carefully.
Can gabapentin cause headache? Yes. Headache is a common side effect, especially when starting or increasing the dose. In most patients it settles within 1–2 weeks. Staying well hydrated and increasing the dose slowly helps. If headaches are severe, persistent, or unusual, speak with your GP.
Is gabapentin used for fibromyalgia in Australia? Yes, but usually off-label. It is not PBS-subsidised specifically for fibromyalgia, yet many Australian rheumatologists and pain specialists prescribe gabapentin to improve sleep and reduce widespread nerve-related pain. The evidence is modest, but many patients report significant benefit.
Can I take gabapentin if I am pregnant and have nerve pain? This is a decision for your obstetrician and pain specialist. Gabapentin is not first-line in pregnancy; however, if severe nerve pain threatens your wellbeing, a specialist may consider it after discussing possible benefits and risks. Never stop or start without advice. Tell your doctor as soon as you plan pregnancy or if you become pregnant while taking it.
What is the typical dosage of gabapentin for adults in Australia? Usually start with 300 mg at night, then increase by 300 mg every few days as tolerated. Maintenance is often 900–1800 mg per day divided into three doses. Maximum is up to 3600 mg per day under specialist care. Older adults or those with kidney impairment need lower doses.

DESIRE: Typical Dosage Schedule for Australian Adults

Starting low and going slow is the key to minimising side effects like dizziness or drowsiness. Here is a standard approach I use with many patients over 30:

Time Period Typical Dose Notes
Day 1–3 300 mg at night Low start reduces morning grogginess and dizziness.
Day 4–7 300 mg twice daily Add a morning dose if tolerated.
Week 2 300 mg three times daily Full starter dose for most adults.
Maintenance 900–1800 mg/day Your doctor will find your optimal dose.
Maximum Up to 3600 mg/day Specialist only, with regular kidney function tests.

Important: Gabapentin is a Schedule 4 prescription-only medicine in Australia. You cannot buy it over the counter. Always follow your doctor's dosing instructions exactly.

ACTION: Take Control of Your Nerve Pain Today

If you're over 30 and tired of nerve pain stealing your sleep, your energy, and your joy — act now.

Book an appointment with your GP this week. Ask: "Is gabapentin suitable for my type of nerve pain?" Your doctor can assess your condition, review your kidney function, and write a private or PBS prescription if appropriate.

Then take your script to any Australian pharmacy. Generic gabapentin is widely available and often very affordable. Start low, go slow, and give it 2–4 weeks to see the full benefit. Imagine waking up refreshed, moving freely, and feeling like yourself again. That could be you.

Don't wait another sleepless night. Take the first step toward calmer nerves and better rest.

Disclaimer: This article is for educational and informational purposes only and reflects a general Australian doctor's perspective. It is not intended as individual medical advice. Gabapentin is a prescription-only medicine in Australia and may not be suitable for everyone. Always consult your GP, pain specialist, or pharmacist before starting, changing, or stopping any medication. Side effects may include dizziness, drowsiness, weight gain, headache, and fluid retention. Report any concerning symptoms to your healthcare provider promptly.



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