What BMI is usually required for Duromine in Australia?

Doctors typically consider Duromine for adults with a BMI of 30 kg/m² or more, or 27–29.9 kg/m² with weight-related risk factors. Only a doctor can assess eligibility.

Does this calculator provide medical advice or dosage?

No. The calculator is informational. It estimates BMI and explains general eligibility guidance. A registered Australian healthcare professional must decide on suitability and dose.

What Duromine doses exist in Australia?

Modified-release capsules are available in 15 mg, 30 mg, and 40 mg strengths, typically taken once in the morning. Your doctor determines if any dose is appropriate for you.

Duromine Australia Calculator — BMI & Eligibility Guide (2025)

Name: Duromine Australia Calculator — BMI & Eligibility Guide
Author: Dr. Sofia Miller, BPharm (Hons), MClinSci

Use this simple calculator to estimate your BMI and check general eligibility guidance for discussing Duromine (phentermine) with an Australian doctor. This tool is for information only and does not provide medical advice, diagnosis, or dosage.

Your Results

BMI

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What your result means

Enter your details to see tailored guidance.

About Duromine dosing (for discussion with your doctor)

Available strengths in Australia: 15 mg, 30 mg, 40 mg (modified-release, once in the morning).
Not medical advice: your doctor decides if Duromine is suitable and what dose is appropriate.
Best practice: combine with a calorie-controlled diet, regular physical activity and medical monitoring.

How this Duromine Calculator Works

This calculator estimates body mass index (BMI) using your height and weight. In Australia, doctors typically consider Duromine for adults with a BMI of 30 kg/m² or more, or for adults with a BMI of 27–29.9 kg/m² who also have weight-related risk factors. Only a registered Australian healthcare professional can assess your suitability, prescribe, and monitor treatment.

Important Safety Notes

Duromine (phentermine) is a prescription-only medicine in Australia.
It is generally taken once each morning; avoid late dosing because of insomnia risk.
Not suitable during pregnancy or breastfeeding, or with certain heart/eye/thyroid conditions.
Report side effects to your doctor; seek urgent care for severe symptoms.

Frequently Asked Questions

How long does Duromine take to work?: Appetite reduction may appear within days; doctors often review progress at around 12 weeks.
Can I buy Duromine online in Australia?: Only through licensed Australian pharmacies with a valid prescription from an Australian doctor.
What doses exist?: 15 mg, 30 mg, and 40 mg modified-release capsules. Your doctor selects the dose.

Your BMI Result: What to Do Next (Doctor-Reviewed)

BMI ≥30 (or ≥27 + risk factors): Talk to your GP about Rx options (e.g., phentermine-based) and structured programs.
BMI 25–29.9 (no risk factors): You may not qualify for stimulants. A PhenQ plan with a modest 300–500 kcal deficit and progressive strength + steps is a prudent starting point.

Why I Recommend PhenQ Pills at BMI 25–29.9

At this range, a non-prescription approach often balances efficacy and tolerability while you build durable habits—exactly what sustains results.

Dr. Sofia Miller, BPharm (Hons), MClinSci

Dr. Sofia Miller is an Australian-based clinical pharmacologist and health science writer specialising in prescription weight-management treatments and obesity research. With over 12 years of experience in pharmaceutical science and patient education, she has reviewed and authored evidence-based articles for medical journals and health publications. Her work bridges academic research and public education, explaining complex drug mechanisms like phentermine (Duromine) in clear, patient-focused language.

Duromine Australia

BMI Calculator