Explore CRx
Explore over 900 clinical topics for placements, revision and refreshing your knowledge after a case. Choose a clinical summary, underlying science, assessment guide or interactive map. Available formats vary by topic and are listed in Workspace.
Clinical topics
The current featured topics are open without sign-in. Premium opens the wider library beyond the public featured selection, including Clinical Assessment. Open free resources.
Clinical Maps
See key assessment findings, possible diagnoses and management considerations together in a visual overview.
Knowledge Base
Read clinical summaries with red flags, features that help distinguish diagnoses, and references.
Foundations
Understand the anatomy, physiology and mechanisms behind clinical findings.
Clinical Assessment
Explore history, examination and tests, and build a working list of possible diagnoses.
Learn clinical reasoning
Four tools are Open: no account is needed.
- Clinical reasoning overview — connect information gathering, diagnosis and management.
- Clinical reasoning framework — Review, Reason and Reflect.
- Diagnostic error — recognise common biases and sources of error.
- Probability explorer — learn with clinical examples, thresholds and calculations.
- Ask AI and Tutor AI — Premium prompt builders for your chosen external AI service. They do not generate answers here. External AI subscriptions are separate.
Pharmacy First — England
Educational pathways covering the seven NHS Pharmacy First conditions in England. All seven are free to open without an account or payment card.