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.

Hypnite Mechanism: How It Targets Your Sleep Switch. Visit Our Pharmacy ↓


Hypnite: A GP’s Review for Australians Over 30 Who Are Tired of Bad Sleep

1. Attention — The Sleep Struggle After 30 Is Real

If you are over 30, you already know the pattern. You fall into bed exhausted, but your brain will not switch off. You wake at 2 a.m. or 3 a.m., stare at the ceiling, and then drag yourself through the next day with brain fog, irritability, and a desperate need for coffee. You may have tried herbal teas, meditation apps, or old-fashioned sleeping tablets that left you feeling like a zombie the next morning. Many Australians in their 30s, 40s, 50s and beyond tell me the same thing: “I just want to sleep normally again — without feeling drugged, dependent, or worried about what the pill is doing to my liver.”

This is exactly where Hypnite enters the conversation. As a doctor, I am careful about what I recommend for sleep. But when I review the evidence, the safety profile, and the real-world experience of my patients, Hypnite stands out as a modern, melatonin-based option that addresses the root clock problem behind many adult sleep issues — rather than simply forcing the brain to shut down.

2. Interest — What Is Hypnite and Why It Matters

Hypnite contains melatonin, the same hormone your brain naturally produces in the pineal gland when daylight fades. Unlike old sedative hypnotics that suppress the central nervous system, Hypnite works by gently reinforcing the body’s natural sleep-wake rhythm. For people over 30, this matters a great deal. Shift work, late-night screen exposure, stress, caffeine after lunch, and ageing all disrupt the natural melatonin signal. The result is not just difficulty falling asleep, but also early waking and unrefreshing sleep.

Hypnite is formulated as a prolonged-release tablet, which means it releases melatonin gradually over the night. This is clinically important: it helps you fall asleep, stay asleep, and wake up feeling more refreshed. The goal is not sedation — it is restoration of a normal sleep cycle.

Hypnite vs Circadin

Australian patients often ask me how Hypnite compares with Circadin, the most widely known prolonged-release melatonin product. Both contain melatonin in a prolonged-release form. The key differences for most people come down to cost, access, and individual response. The table below summarises the practical comparison.

Feature Hypnite 2 mg prolonged-release Circadin 2 mg prolonged-release
Active ingredient Melatonin 2 mg Melatonin 2 mg
Release mechanism Prolonged-release over the night Prolonged-release over the night
Main action Supports natural sleep rhythm Supports natural sleep rhythm
Morning hangover Generally low Generally low
Risk of dependence Low to negligible Low to negligible
Typical private cost Usually more affordable Usually higher
PBS subsidy Usually private script May be PBS for eligible over-55 patients

For many patients aged 30 to 54, Circadin is not PBS-subsidised, so the private prescription cost is an important factor. That is why so many people ask about Hypnite Chemist Warehouse price.

Hypnite Chemist Warehouse Price

Prices change, but at the time of writing, a pack of 30 Hypnite 2 mg prolonged-release tablets at Chemist Warehouse is typically in the range of AUD 28–35. By comparison, Circadin 2 mg 30 tablets often costs AUD 45–60 on a private script. This means many Australians save around $20 or more per month by choosing Hypnite. For a medication you may use regularly, that saving adds up quickly.

Cost comparison — typical private prices Hypnite 2 mg 30 tablets Circadin 2 mg 30 tablets
Chemist Warehouse indicative price Approx. $29.95 Approx. $49.95
Monthly saving with Hypnite Around $20 per month

3. Desire — What You Gain When You Choose Hypnite

The real reason I write this review is simple: patients who switch to Hypnite often describe a better quality of life. They report falling asleep more easily, fewer middle-of-the-night awakenings, and a clearer head the next day. They also feel relief because the medication is not controlling their brain — it is supporting their natural rhythm.

Hypnite Headache: What to Expect

Some patients notice a mild headache during the first few nights of taking Hypnite. This is usually transient and tends to resolve within a few days as the body adjusts. To reduce the chance of headache, take Hypnite with a small amount of water and avoid alcohol. If a headache persists or is severe, speak with your doctor. The key point is that this is generally not a sign of harm — it is a short-term adjustment effect.

Hypnite Pregnancy: Clear Guidance

If you are pregnant, planning a pregnancy, or breastfeeding, do not self-medicate with Hypnite. The safety data for melatonin in pregnancy are limited, so the responsible medical advice is to avoid Hypnite during pregnancy unless a specialist has specifically recommended it. For sleep difficulties in pregnancy, behavioural strategies and sleep hygiene should be the first line. This clear guidance protects both mother and baby, and it is part of why Hypnite is trusted: it is used with respect for its hormonal nature.

Hypnite and Liver Disease

Melatonin is metabolised in the liver, so patients with significant liver disease should use Hypnite only under medical supervision. That said, compared with many older sleeping tablets, Hypnite has a relatively low liver burden and does not rely on the same heavy sedative pathways. If you have mild fatty liver or mild liver enzyme elevations, your GP may consider Hypnite appropriate after reviewing your history. If you have advanced cirrhosis or severe hepatic impairment, it is generally best to avoid or use a reduced dose under specialist care.

Hypnite Rebound Insomnia: Far Less Than Older Sleeping Pills

One of the biggest fears I hear from patients is rebound insomnia — the idea that when you stop a sleeping tablet, your sleep becomes even worse than before. This is a genuine risk with benzodiazepines and z-drugs such as zolpidem or temazepam. With Hypnite, the risk of severe rebound insomnia is low. Some people may have one or two mildly unsettled nights after stopping long-term use, but this is usually manageable. If you have been using Hypnite for many months, a gradual tapering plan can make the transition even smoother.

Can I Cut Hypnite in Half?

This is one of the most common questions patients ask. The answer depends on the specific tablet format. Because Hypnite is designed as a prolonged-release tablet, cutting it in half is generally not recommended. Splitting the tablet can destroy the prolonged-release mechanism, causing a full dose of melatonin to be released at once. That can lead to a brief feeling of grogginess, a headache, or reduced sleep maintenance later in the night. Unless your pharmacist confirms that your particular pack is scored and suitable for splitting, swallow Hypnite whole with water.

Hypnite Tolerance: Myth vs Fact

Unlike benzodiazepines, melatonin does not appear to produce pharmacological tolerance or dependence in the classic sense. It does not flood the brain with artificial sedation. Instead, it reinforces a natural signal. Some people feel the medicine “isn’t working” after months of use, but this often reflects a change in the underlying sleep problem, increased stress, or worsening sleep hygiene. A short drug holiday, improved sleep routines, and treating underlying anxiety or pain can restore effectiveness. This is a far more encouraging picture than the escalating doses seen with older sedatives.

Common Patient Pain Point How Hypnite Responds Doctor’s Practical Advice
Waking at 3 a.m. and not getting back to sleep Prolonged release helps maintain melatonin levels through the night Take 1–2 hours before bed; keep lights dim
Fear of addiction or dependence Melatonin has low abuse potential and minimal withdrawal Use as prescribed; periodic review is enough
Morning grogginess or hangover Drug-free morning feeling is common Avoid alcohol and allow 7–8 hours in bed
Concern about liver effects Lower hepatic burden than many sedatives Discuss liver history with your GP before starting
Cost pressure More affordable than Circadin at Chemist Warehouse Ask pharmacist for current Hypnite price
Worry about rebound insomnia Low risk compared with benzodiazepines Taper gradually after long-term use
Wondering if tablet can be split Prolonged-release should be swallowed whole Do not cut unless pharmacist confirms safety
Feeling the medicine is no longer working Tolerance is not typical; underlying causes change Review sleep hygiene and stressors

4. Action — Your Next Steps for Better Sleep

Here is what I suggest for Australians over 30 who want a safer, affordable sleep option.

  1. Book a GP appointment. Ask whether a melatonin prolonged-release medicine such as Hypnite is right for your sleep type, medical history, and medications.
  2. Get a private prescription. If appropriate, ask your GP to prescribe Hypnite 2 mg prolonged-release tablets.
  3. Visit Chemist Warehouse. Check the current Hypnite price and compare it with Circadin. Ask the pharmacist any questions about taking it correctly.
  4. Take it properly. Swallow whole, 1–2 hours before bedtime, with dim lights and a consistent wind-down routine.
  5. Give it time. Melatonin works with your natural rhythm, not against it. Many people notice improvement within days to a few weeks.

Sleep is not a luxury. It is the foundation of memory, mood, metabolism, immunity, and heart health. If you have been tolerating broken sleep because you are afraid of sleeping tablets, it may be time to reconsider. For many of my patients over 30, Hypnite offers the right balance: effective, non-addictive, more affordable, and designed to work with the body’s own clock.

When you next find yourself awake at 2 a.m., remember that a different path is possible. Ask about Hypnite. Your mornings — and your life — may feel remarkably clearer.

Disclaimer: This article is a general medical review written for educational and informational purposes for Australian readers. It does not replace individual medical advice, diagnosis, or treatment. Always consult your doctor or pharmacist before starting, changing, or stopping any medicine. Prices are indicative only and vary by location, pack size, and pharmacy.



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