What's the difference between a psychologist and a psychiatrist?

Both help with mental health. One prescribes medication; the other doesn't. Here's a plain-language guide to which one you need and when.

If you're looking for mental health support, you'll quickly encounter two titles: psychologist and psychiatrist. They sound similar. They're not the same. Here's what you need to know.

Psychiatrists

Psychiatrists are medical doctors (MBBs, MD, or equivalent) who specialised in psychiatry after completing medical school. Because they're medical doctors, they can:

• Prescribe medication (antidepressants, mood stabilisers, antipsychotics, etc.)
• Order and interpret medical tests
• Manage complex or severe mental health conditions — bipolar disorder, schizophrenia, severe depression, eating disorders with medical complications
• Provide diagnoses

Psychiatrists may or may not provide ongoing talk therapy — many focus primarily on assessment and medication management, and refer patients to psychologists or counsellors for talking therapy.

Psychologists

Psychologists have a postgraduate degree in psychology (typically a PhD, PsyD, or Masters). They specialise in understanding behaviour and mental processes. They can:

• Provide psychological assessment and diagnosis
• Deliver evidence-based talking therapies — CBT, DBT, ACT, EMDR, psychodynamic therapy
• Work with a wide range of conditions — anxiety, depression, trauma, relationship problems, adjustment difficulties, ADHD, personality disorders

In most countries, psychologists cannot prescribe medication (with limited exceptions). For conditions that respond well to therapy alone — which includes most anxiety disorders, mild-to-moderate depression, trauma, and many others — a psychologist is typically the right starting point.

Which one do you need?

Start with a psychologist if: You want to talk through what's going on, develop coping strategies, process trauma, or work on anxiety, depression, or relationship issues.

See a psychiatrist if: You need a diagnosis for a complex condition, you're wondering whether medication might help, you've already tried therapy without sufficient improvement, or you're experiencing severe symptoms that are significantly impairing your daily life.

Often you'll need both: Many people work with a psychiatrist for medication management and a psychologist for therapy. The two can work well together.

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