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.

Buy Podowart Online In Australia – Effective Genital Wart Treatment. Visit Our Pharmacy ↓


Podowart Review: A Doctor’s Perspective for Australian Adults Over 30

Written from a clinical viewpoint for Australian patients. Always consult a qualified doctor before starting treatment.

Educational information only. Prescription medicines require individual assessment.

Attention: The Wart You’ve Been Hiding Can Be Treated Successfully

If you are over 30, finding a wart in a sensitive area can feel deeply embarrassing. Many of my Australian patients tell me the same story: they noticed a small, fleshy bump near the genitals, on the pubic area, or around the groin. They hoped it would go away. They tried pharmacy freeze kits, acid paints, tea tree oil, or simply ignored it. Weeks turned into months. The wart remained, sometimes became larger or multiplied, and they started avoiding intimacy, feeling anxious about passing the virus to a partner, and dreading the awkward conversation with a doctor.

That silent stress is unnecessary. As a doctor, I see this every week. The good news is that modern topical treatments are far more effective and convenient than many people realise. One treatment I discuss in my practice is Podowart, a podophyllotoxin-based paint or cream that works directly on the wart. It is not a magic cure, but it has a clear pharmacological action, can be used at home, and helps many adults clear external warts without repeated freezing or painful clinic procedures.

Interest: What Is Podowart and Why Do I Recommend It?

Podowart contains podophyllotoxin 0.5%, a well-known anti-wart agent. Podophyllotoxin stops wart cells from dividing and destroys the abnormal tissue. In my clinical experience, it is especially useful for external genital warts and certain stubborn non-genital warts. It is applied directly to the wart, dries quickly, and works over a series of short treatment cycles.

Many patients over 30 appreciate Podowart because it offers privacy, convenience, and a non-surgical option. Instead of repeated visits for cryotherapy or laser, you can treat the wart at home. It is not painless for everyone — some stinging or redness can occur — but it is usually well tolerated when used correctly.

Podowart at a glance Details
Active ingredient Podophyllotoxin 0.5%
Form Liquid paint or cream
Main use External genital warts; selected stubborn non-genital warts under medical advice
Mechanism Destroys wart tissue by blocking cell division
Schedule in Australia Prescription-only medicine
Medicare/PBS Not covered by PBS; private prescription cost applies
Typical cycle Twice daily for 3 days, then 4 days off
Maximum duration Usually up to 4–6 weeks under medical review
Key precaution Not for mucosal surfaces, pregnancy, or broken inflamed skin

Desire: Answers to the Questions My Patients Ask Most

Does Medicare cover Podowart?

No. In Australia, Medicare generally does not cover the cost of Podowart itself. Podowart is not listed on the Pharmaceutical Benefits Scheme (PBS), so you will pay a private prescription price. However, Medicare may still cover part of your GP consultation, which is where the prescription is written. If you have private health insurance, check whether your extras cover non-PBS prescriptions — many basic policies do not. The out-of-pocket cost for podophyllotoxin preparations varies by pharmacy and supply route, but many patients find it comparable to repeated over-the-counter treatments that fail.

Can Podowart be used on mucosal surfaces?

No. Podowart is for external skin use only. It must not be used on mucosal surfaces such as inside the vagina, inside the anal canal, in the mouth, on the urethral opening, or on the cervix. Mucosal tissue is thinner, more sensitive, and absorbs the drug much more readily, which can lead to severe chemical burns, extensive ulceration, and systemic side effects. If you have warts on mucosal surfaces, you need a specialist assessment and a different treatment approach. Never apply Podowart internally.

Can Podowart be used with other wart treatments?

You should not combine Podowart with other wart treatments on the same lesion at the same time. Using Podowart together with salicylic acid, cryotherapy, imiquimod, sinecatechins, podophyllin resin, laser, or other topical acids can cause excessive skin breakdown, severe burning, scarring, and delayed healing. In some cases, a doctor may plan sequential therapy — for example, using one treatment and then later switching to another — but this should only happen under direct medical supervision. Do not try to speed up results by layering products; more treatment does not mean faster clearance.

Can Podowart be used on pubic hair area?

Yes, Podowart can be used on the external pubic hair area, provided the skin is intact and the wart is clearly visible. However, hair can make application tricky. I usually recommend trimming the hair rather than shaving, because shaving can create micro-cuts and spread the wart virus. Apply a small amount of Podowart only to the wart itself, and protect the surrounding skin with petroleum jelly or a barrier ointment. The cream formulation may be easier to control in hairy areas because the liquid paint can run. If the skin is broken, inflamed, or bleeding, stop and see your doctor before continuing.

What is the difference between Podowart liquid and cream?

Both forms contain the same active ingredient, podophyllotoxin, but their delivery differs. The choice depends on the wart location, skin sensitivity, and ease of application.

Feature Podowart liquid/paint Podowart cream
Texture Thin, alcohol-based, dries rapidly Creamier, stays in place
Best for Small, well-defined warts; precise application Larger, irregular, tender, or hairy areas
Run-off risk Higher if over-applied Lower
Drying time Fast — usually seconds Slower
Stinging sensation May sting briefly on broken or inflamed skin Usually less stinging
Active ingredient Podophyllotoxin 0.5% Podophyllotoxin 0.5%

Does Podowart have a placebo effect?

Podowart is not a placebo. Its active ingredient, podophyllotoxin, has a direct pharmacological effect on wart cells. In clinical studies, podophyllotoxin produces significantly higher clearance rates for external genital warts than placebo. However, any visible treatment can have a partial placebo response — meaning patients may feel better because they are actively doing something about the problem. That psychological boost can help adherence, but the drug itself is doing the real work. The key is consistency: use it exactly as prescribed, even if the wart starts to look irritated.

What is the batch number of current Podowart?

There is no single universal batch number for all Australian stock, because batch numbers vary by manufacturing lot, distribution channel, and pharmacy supply. Each pack of Podowart has its own batch number printed on the carton and tube or bottle. You should always check that the batch number and expiry date are clearly visible and match. For example, a pack might display a code such as “B.No. PW2503A” — but this is only illustrative. If you are purchasing Podowart, ask the pharmacist to confirm the current batch number and expiry date. Never buy a product with missing, damaged, or illegible batch labelling.

How long to leave Podowart on the wart?

Podowart is designed to be left on the skin. Apply a thin drop or smear directly onto the wart twice daily — usually morning and night — for 3 consecutive days. Let it air-dry for about 30–60 seconds before covering with clothing. Do not wash it off, and avoid excessive washing or scrubbing of the area immediately after application. After the third day, stop and give the skin a 4-day rest period. This is one full cycle. If the wart persists, repeat the cycle for up to 4 weeks, or as directed by your doctor. Do not use continuously without the rest days, because the rest period allows healthy skin to recover and reduces severe irritation.

Treatment cycle Application Rest
Days 1–3 Apply twice daily to wart only None
Days 4–7 No application Skin recovery
Repeat Weekly cycles up to 4 weeks Review with doctor if no improvement

Action: Take Control of the Problem This Week

If you have been living with a wart, especially in a sensitive area, you do not need to wait longer. The emotional burden — embarrassment, anxiety about intimacy, fear of judgement — is often worse than the treatment itself. Podowart offers a private, home-based, non-surgical option that has helped many Australian adults over 30 clear external warts and regain confidence.

Your next step is simple:

  • Book a GP appointment and show the doctor the affected area.
  • Ask whether podophyllotoxin treatment, such as Podowart, is suitable for you.
  • If prescribed, obtain Podowart from a registered Australian pharmacy or authorised supply pathway.
  • Check the batch number, expiry date, and formulation before use.
  • Follow the twice-daily-for-3-days, then-4-days-off cycle exactly.
  • Review with your doctor after about 4 weeks if the wart is not clearing.

Do not let embarrassment delay treatment any longer. Effective, discreet treatment exists. Podowart may not be right for every wart or every patient, but when used correctly under medical guidance, it is a trusted option that can save you time, discomfort, and repeated clinic visits. Speak to your doctor today about whether Podowart is the right choice for you.

Disclaimer: This article is for educational purposes and does not replace individual medical advice. Treatment decisions should be made in consultation with a registered Australian medical practitioner. Prescription medicines may have side effects and contraindications. Always read the product information and use as directed.



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