It is a rather confusing space with all these terms sounding very similar. A psychiatrist is a medical doctor. After qualifying as a doctor, they have continued their studies to specialise in psychiatry and can prescribe medications.
A psychologist has completed a minimum of 6 years of academic study and/or an internship or supervised practice. A registered Psychologist will be a registered with AHPRA and typically with MAPS enabling you to claim Medicare rebates and some Private Health insurance gap payments.
Psychologists are trained to assess and treat mental health concerns by providing evidence-based therapeutic interventions. Psychologists will measure and report back progress and abide by strict ethical regulations.
Counsellors also complete academic training. However, there is more variation in terms of which pathway they have taken to become a counsellor.