Medically reviewed by Dr. Sofia Miller, BPharm (Hons), MClinSciInformational only · Not medical advice · For Australian readers What Is Metermine? Metermine is a prescription-only phentermine hydrochloride tablet available in 15 mg, 30 mg, and 40 mg strengths in Australia. Phentermine is a sympathomimetic that suppresses appetite by acting on the central nervous system. Doctors…