I recently had someone reach out hoping to work with me. They wanted to get a psychological assessment for ADHD and were interested in potentially getting prescribed medication. I was happy to explain the process of getting a diagnostic assessment and the professionals who would be able to help them with these goals. As a psychotherapist, however, I would not be able to provide those particular services of conducting an assessment or prescribing medication.
Psychotherapist, psychologist, and psychiatrist — the titles sound so similar that it’s easy to get them mixed up! While all three professionals support mental health and well-being, their training, areas of expertise, and the services they provide differ in some important ways.
So, how do you know which one is right for you? Well, it really depends on the individual. Here’s a breakdown by profession of what you can expect.
What Is a Psychotherapist?
A psychotherapist helps people understand and work through emotional, behavioural, and psychological challenges through therapy. In Ontario, Registered Psychotherapists (RPs) are regulated professionals who have specialized education, training, and clinical experience in psychotherapy.
Psychotherapy offers a space to explore what you’re experiencing, understand patterns that may be contributing to your difficulties, and develop strategies for change. Depending on the therapist’s training and approach, sessions might involve talking through challenges, gaining greater understanding of unhelpful patterns, processing past experiences, working on emotional regulation, among other techniques.
Psychotherapists commonly help with concerns such as:
Anxiety, stress, and depression
Grief and loss
Interpersonal and relationship difficulties
Trauma and difficult life experiences
Low self-esteem and self-worth
Emotional regulation and coping with life transitions
Can a psychotherapist diagnose mental health conditions?
Psychotherapists can assess and treat emotional, behavioural, and cognitive difficulties within their scope of practice. However, they are not authorized to provide a formal psychological diagnosis under Ontario’s legislation in the same way that psychologists and physicians can.
Can a psychotherapist prescribe medication?
Psychotherapists do not prescribe medication. Psychotherapy may be a good starting point if you’re struggling emotionally, want to understand yourself better, or would like ongoing support to make changes in your life. A psychotherapist can help support you in exploring medication with your physician.
What Is a Psychologist?
In Ontario, psychologists are regulated professionals who assess and treat mental health concerns and can provide specialized psychological assessments. One important distinction is that psychologists can provide formal psychological diagnoses within their authorized scope of practice.
Psychologists may offer therapy, but they can also conduct more comprehensive assessments using clinical interviews, standardized tests, questionnaires, and other relevant information.
Their services may include:
Assessing and diagnosing mental health conditions
Psychological assessments for concerns such as depression, anxiety, and certain personality disorders
Assessments of cognitive functioning and specific learning or neuropsychological difficulties, depending on their expertise
Therapy and treatment planning
Can a psychologist prescribe medication?
Generally, psychologists in Ontario do not have prescribing authority.
When might you see a psychologist instead of a psychotherapist?
A psychologist may be particularly helpful when you need a specialized psychological assessment, want a formal diagnosis, or have concerns about cognitive functioning that require testing. Some people also choose psychologists for therapy, especially when they want a provider with expertise in a particular condition, such as mood or personality disorders.
What Is a Psychiatrist?
A psychiatrist is a medical doctor who specializes in mental health. Because psychiatrists have medical training, they can consider both psychological and physical factors that may contribute to a person’s symptoms.
Psychiatrists assess, diagnose, and treat mental health conditions. Their services may include medication recommendations, prescribing and monitoring medications, and providing specialized psychiatric care. Some psychiatrists also offer therapy, although their practice may focus primarily on assessment and medication management.
Can a psychiatrist diagnose mental health conditions?
Psychiatrists can diagnose mental health conditions as medical doctors with specialized psychiatric training.
Can a psychiatrist prescribe medication?
This is one of the main differences between psychiatrists and psychologists or psychotherapists. Psychiatrists can prescribe psychiatric medications, monitor how well they’re working, and adjust treatment when needed.
It’s worth noting that you don’t necessarily need to see a psychiatrist to receive medication for anxiety or depression. A family doctor or nurse practitioner can often assess these concerns and prescribe medication when appropriate.
What about a Social Worker or Counsellor?
Yes, they can also help with mental health concerns! Not to confuse matters but beyond the three “psychs” (psychotherapist, psychologist, psychiatrist), there are also social workers. Social workers can provide therapy, depending on their training and qualifications. They may also help people navigate social services, community resources, family challenges, and practical issues affecting their well-being. In Ontario, Registered Social Workers (RSWs) are regulated by the Ontario College of Social Workers and Social Service Workers.
A counsellor is a broader term that can describe people providing emotional support, guidance, or counselling. Unlike registered psychotherapists, psychologists, psychiatrists, and social workers, the title counsellor does not, on its own, indicate registration with a regulated Ontario health profession. Training and qualifications can therefore vary considerably.
Which Mental Health Professional Is Right for You?
There’s no single right answer. The best starting point depends on what you’re experiencing and what kind of support you’re looking for. If you want a safe, supportive space to work through difficult emotions, understand yourself better, and develop new ways of coping, psychotherapy may be a good fit.
In some situations, working with two professionals can be particularly helpful because they offer different types of support. For example, if you’ve been experiencing significant anxiety and depression, you might work with a psychotherapist to explore the factors contributing to your distress and practice ways to change maladaptive patterns. At the same time, you might consult a psychiatrist to discuss whether medication could help manage your symptoms.
The most important thing is finding support that meets your needs. Reaching out for help is a meaningful first step, and many mental health professionals offer a free 15-minute consultation to help you explore whether their approach feels like a good fit for you and your goals.

