Is Weight Loss Medication on the PBS in Australia?

by Burst Health April 7, 2026

The Pharmaceutical Benefits Scheme (PBS) subsidises the cost of thousands of medications for Australians, making essential treatments more affordable. For people managing obesity or overweight with associated health complications, the question of whether weight management medications are available through the PBS is an important one — particularly given the high out-of-pocket costs that can be associated with private prescriptions.

The short answer is that certain weight management medications do have PBS listings, but access is restricted to specific patient populations who meet defined clinical criteria. Eligibility is determined by a prescribing doctor, not by the patient, and the criteria are set by the Pharmaceutical Benefits Advisory Committee (PBAC) — an independent body that assesses medications for PBS listing based on clinical evidence, safety, and cost-effectiveness. This article explains how the PBS works in general terms, what the current landscape looks like for weight management medications, and the role your doctor plays in the process.

What Is the PBS and How Does It Work?

The Pharmaceutical Benefits Scheme is an Australian Government program administered by the Department of Health and Aged Care. It subsidises the cost of prescription medications for Australian residents who hold a valid Medicare card. Under the PBS, patients pay a capped co-payment rather than the full market price of a listed medication. As of 2026, the general co-payment is approximately $31.60 per script, while concession card holders pay approximately $7.70.

Not all prescription medications are listed on the PBS. For a medication to be included, its manufacturer must apply to the PBAC, which evaluates the clinical evidence, comparative effectiveness, and value for money relative to existing treatments. If a medication is recommended by the PBAC, the Australian Government negotiates a price with the manufacturer before it is formally listed.

Importantly, even when a medication is PBS-listed, it may only be subsidised for specific conditions or patient groups. A medication that is listed for one indication (such as type 2 diabetes management) may not be PBS-subsidised when prescribed for a different purpose (such as weight management). The specific PBS listing — including the approved indication, patient criteria, and prescriber requirements — determines who can access the subsidy.

The Current PBS Landscape for Weight Management Medications

The PBS landscape for weight management medications in Australia has evolved in recent years. Several medications that may be used in obesity management have PBS listings, though the subsidised indications and patient criteria vary considerably between products.

Key points to understand about the current landscape:

Some weight management medications have PBS listings for specific patient populations — typically those with a BMI above a defined threshold and one or more obesity-related comorbidities.
Other weight management medications are available in Australia on a private prescription but are not currently PBS-subsidised for weight management indications. This means the patient bears the full cost.
Some medications that are PBS-listed for other conditions (such as type 2 diabetes) may also have weight management effects, but the PBS subsidy only applies when prescribed for the listed indication. A prescribing doctor cannot claim a PBS subsidy for an off-label use.
PBS listings can change. New medications may be added, existing listings may be expanded or restricted, and pricing may be renegotiated. The PBS Schedule on pbs.gov.au is the only authoritative, up-to-date source.

Because the PBS landscape changes periodically, patients should not rely on general articles (including this one) as a substitute for checking the current PBS Schedule or consulting their prescribing doctor.

PBS Eligibility Criteria for Weight Management Medications

Where a weight management medication does have a PBS listing, access is typically restricted by clinical criteria. These criteria are set by the PBAC and are designed to ensure the medication is subsidised for patients who are most likely to benefit based on the available clinical evidence.

Common eligibility requirements for PBS-listed weight management medications may include:

BMI thresholds

A BMI of 30 or above (classified as obesity), or
A BMI of 27 or above with at least one weight-related comorbidity

Weight-related comorbidities that may be considered

Type 2 diabetes
Cardiovascular disease or significant cardiovascular risk factors
Obstructive sleep apnoea
Dyslipidaemia (abnormal cholesterol or triglyceride levels)
Hypertension (high blood pressure)

Prior treatment requirements

Some PBS listings require that the patient has previously attempted lifestyle interventions (such as dietary modification and increased physical activity) before medication is subsidised.
Certain listings may also require that the patient has tried other PBS-listed treatments first.

Ongoing treatment conditions

Continued PBS access may be contingent on the patient achieving a minimum percentage of weight loss within a defined timeframe (for example, 5% of initial body weight within 12 weeks).
Prescribers may need to apply for continuing authority to prescribe beyond an initial treatment period.

These criteria vary between medications and may be updated by the PBAC at any time. The specific criteria that apply to a given medication can be found on the PBS website (pbs.gov.au) under the relevant item listing.

How PBS Listing Works: Authority Prescriptions and Streamlined Authority

Most weight management medications that are PBS-listed require an authority prescription rather than a standard PBS prescription. There are two types of authority prescriptions in the PBS system:

Streamlined authority

The prescriber does not need to contact Services Australia before writing the prescription. Instead, the prescriber includes a streamlined authority code on the script, certifying that the patient meets the PBS criteria. The pharmacist processes the prescription at the PBS-subsidised price based on this code.

Phone/online authority

The prescriber must contact Services Australia (previously the Medicare hotline) to obtain an approval number before writing the prescription. During this process, the prescriber confirms that the patient meets the specific clinical criteria. This is typically required for medications with tighter access restrictions or higher costs.

In both cases, the prescribing doctor is responsible for verifying that the patient meets the eligibility criteria. Patients cannot self-certify their eligibility or request a PBS prescription — the clinical assessment and decision rest with the prescriber.

What If a Weight Management Medication Is Not on the PBS?

Not all weight management medications available in Australia are listed on the PBS, and some that are listed for other indications are not subsidised when prescribed for weight management. In these cases, patients may still be able to access the medication through a private prescription, but the cost implications are different.

Key considerations for private (non-PBS) prescriptions:

The patient pays the full retail price set by the pharmacy or dispensing provider. There is no government subsidy.
Costs for weight management medications on private prescription can range from approximately $100 to over $500 per month, depending on the specific medication, dosage, and pharmacy.
Private prescriptions are not counted toward the PBS Safety Net threshold, which means they do not contribute to reducing future PBS co-payments within the same calendar year.
Some private health insurance plans may offer partial rebates on prescription medications, though this varies between funds and policies. Patients should check with their insurer directly.

Even when a medication requires a private prescription, it must still be prescribed by a registered medical practitioner following a clinical assessment. A private prescription does not mean unregulated access — the same prescribing standards and clinical considerations apply.

The Role of Your Prescribing Doctor

Whether a weight management medication is accessed through the PBS or via a private prescription, the prescribing doctor plays the central role in the process. It is the prescriber — not the patient — who determines whether a particular medication is clinically appropriate.

Your prescribing doctor will typically:

Conduct a clinical evaluation, including a review of your medical history, current medications, BMI, and any weight-related health conditions
Assess whether medication is appropriate as part of a broader weight management plan that may include dietary, behavioural, and physical activity modifications
Determine whether you meet the PBS eligibility criteria for a specific medication, if applicable
Select the most appropriate medication based on your individual clinical profile, contraindications, and potential interactions with other medications
Monitor your response to the medication over time and make adjustments as clinically indicated
Apply for PBS authority approval where required

Patients who have questions about whether they may be eligible for a PBS-listed weight management medication should discuss this with their doctor. The clinical assessment process considers the individual patient's full medical picture — not just their BMI or weight alone.

Frequently Asked Questions

Is all weight loss medication on the PBS?

No. Only certain weight management medications have PBS listings in Australia, and those listings are typically restricted to specific patient populations. Several medications used for weight management are available only on private prescription and are not PBS-subsidised. The PBS Schedule on pbs.gov.au provides the current list of subsidised medications and their approved indications.

Can I request a PBS-listed weight management medication from my doctor?

You can discuss your interest in weight management medication with your doctor, but the prescribing decision is a clinical one. Your doctor will assess whether medication is appropriate for your situation and, if so, whether you meet the PBS eligibility criteria. The prescriber determines which medication to prescribe based on your clinical profile — patients cannot self-select or demand a specific PBS medication.

Where can I check current PBS listings for weight management medications?

The PBS website (pbs.gov.au) is the authoritative source for current PBS listings, including eligibility criteria, prescriber requirements, and approved indications. You can search by medication name or browse by therapeutic class. The PBS Schedule is updated regularly, so checking the website directly is the most reliable way to confirm current listings.

Will my weight management medication always stay on the PBS?

PBS listings are subject to change. Medications can be added, removed, or have their listing criteria modified by the PBAC. Price negotiations between the government and manufacturers can also affect availability. If you are currently accessing a medication through the PBS, your prescribing doctor can advise you if there are any changes to its listing status.

What is the difference between a PBS prescription and a private prescription?

A PBS prescription is subsidised by the Australian Government, so the patient pays only the co-payment amount (approximately $31.60 for general patients or $7.70 for concession card holders, as of 2026). A private prescription is not subsidised — the patient pays the full price. Both types of prescription must be written by a registered medical practitioner following a clinical assessment.

Support Your Weight Management Journey with Burst Health

If you have questions about weight management or would like to speak with a healthcare professional, Burst Health's team of Australian-registered doctors can provide clinical guidance tailored to your individual circumstances. All consultations involve a thorough medical assessment to determine what may be appropriate for your situation.