HRT Patch Shortage in Australia: What You Need to Know

If you rely on hormone replacement therapy patches to manage menopause or perimenopause symptoms, you might already be feeling the impact of a national supply crisis. But what does this mean for you and your health?

FACTS ON THIS PAGE

What Is the HRT Patch Shortage?

Australia is experiencing a significant shortage of transdermal HRT patches, specifically estradiol patches used in menopausal hormone therapy (MHT). The Therapeutic Goods Administration (TGA) has confirmed that shortages of Estradot 25, 50, 75, and 100 (dosage strengths) are expected to continue until the end of this year.

The shortage is caused by manufacturing issues at pharmaceutical companies, combined with a surge in global demand, and a lack of oestrogen patch brands on the Australian market.

What Does the TGA’s Response Mean for Patients?

The TGA has extended its Serious Scarcity Substitution Instrument (SSSI) until February 2027. This allows pharmacists to dispense an alternative brand or strength of HRT patches without a new prescription from your GP, where clinically appropriate. The TGA has also approved overseas-registered alternatives — including Estramon and the Estradiol Transdermal System to help ease the shortfall.

What Does This Mean for You?

If you use Estradot patches or another affected brand, your usual prescription may simply be unavailable at your pharmacy. This can be distressing, particularly given how important consistent HRT treatment is for managing:

  • Hot flushes and night sweats
  • Sleep disturbances and mood changes
  • Vaginal dryness and discomfort
  • Bone health and osteoporosis prevention

It’s important not to stop your HRT abruptly without speaking to your GP. Stopping suddenly can cause a sudden return of symptoms. Equally, switching brands or doses isn’t always straightforward. Always discuss any changes with your doctor first.

What Are the Alternatives to HRT Patches?

Patches are not the only option for oestrogen therapy. Your GP can discuss alternatives suited to your health history, including:

Oestrogen Gels

Transdermal oestrogen gels such as Estrogel or Sandrena are applied directly to the skin, are generally well-supplied, and work in a similar way to patches. The Australasian Menopause Society provides up-to-date guidance on which products are currently available.

Oral Oestrogen Tablets

Oral oestrogen is also widely available, though it’s processed via the liver and may not be suitable for all patients, particularly those with clotting or cardiovascular risk factors. Discuss suitability with your GP at Nillumbik Medical Centre.

Overseas-Registered Patch Alternatives

The TGA has approved overseas alternatives under Section 19A. Ask your pharmacist or GP about what’s currently in stock.

FAQs

Can my pharmacist substitute my patch without a new prescription?
Yes! Under the TGA’s SSSI, pharmacists can dispense an alternative brand or strength without a new script, where appropriate. See the TGA’s SSSI page for full details.

Should I stockpile patches?
No. Stockpiling worsens supply for other patients. Order only what you need.

When will the shortage end?
Shortages of Estradot 25, 50, 75, and 100 are expected to last until 31 December 2026. Check the TGA shortage page for the latest updates.

Can I start HRT for the first time during the shortage?
Speak with your GP at Nillumbik Medical Centre. The TGA has asked prescribers to limit new initiations to protect existing patients’ supply. Book an appointment for more information.

Contact Us

At Nillumbik Medical Centre, we’ll keep you informed and supported so you understand what your options are. If you are affected by the HRT patch shortage and need guidance on your menopause treatment options, contact our friendly team today.

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