What are the downsides of CBT therapy?

Written by the clinical team at The Lyceum Clinic. Clinically reviewed by Sanah Younis, Clinical Director, BABCP-accredited (no. 1000792). Published 28 October 2026. Last reviewed 28 October 2026.

CBT is structured, demanding and sometimes delivered badly. It asks for work between sessions, it can feel invalidating if a therapist rushes to change your thoughts before hearing you, and it is the wrong first tool for complex trauma before stabilisation. A good assessment should tell you whether it fits before you commit.

It asks a lot of you

The parts of CBT that help most are the parts you least want to do. It involves homework, experiments and deliberate discomfort. People who want to talk each week without changing anything will not get on with it, and we say so at assessment.

Why CBT can feel invalidating

Done poorly, CBT sounds like "your pain is just a thought error". That is a delivery failure, not a flaw in the model, but it is a common one. We avoid it by spending real time validating the emotional and physiological reality before we ever look at a thought. The pain is real; the mechanism driving it is what we adjust.

For more detail, read about how CBT works.

What bad CBT looks like

Clients who have had poor CBT elsewhere describe the same thing: "they just gave me worksheets and told me to think positively". That is not CBT. That is toxic positivity on a handout. Proper CBT is formulation-led, experimental and specific to you.

The most common mistake before therapy

Arguing with the thought. People try to out-logic their anxiety, treating the intrusive thought as a debate opponent to be defeated. Engaging with it is exactly what keeps it alive, and a therapist who teaches you better arguments is making it worse. Where cognitive work has turned into a mental compulsion, we change approach rather than adding more of it.

When CBT is the wrong tool

With complex trauma before any stabilisation work, standard cognitive restructuring is invalidating and can be unsafe. Safety and grounding come first; being told your thoughts are "distorted" does not. CBT is also less useful when the difficulty is a current, unresolved life situation that no reframing will change; that needs practical help first.

Why some therapists dislike it

Usually because they have seen the worksheet version. The Lyceum Protocol is built to be the other kind: formulation first, validation before cognition, and a longer-term arm for the patterns underneath when a short course is not enough.

Evidence and guidance

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