Differential Diagnosis Explorer
Pick a condition to see its documented differentials alongside diseases the engine independently flags as similar, based on shared symptoms and signs.
Symptom Checker
Select the symptoms and signs present in your case. Conditions are ranked by how much of their known symptom/sign profile is matched.
Findings
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Ranked conditions
Select findings to see ranked results
Reverse Diagnosis
Ask it the other way round — name a symptom or sign and see every condition documented to cause it.
Clinical Reasoning Tutor
A case builds clue by clue — risk factors, then symptoms, then signs. Commit to a diagnosis before the reveal, then review the full clinical picture.
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Click “New case” to begin