"Itchy raised welts have been coming and going all over me for five days. Each one fades within hours, then new ones appear."
Patient age: 26
Ask the patient questions, choose which tests to order, decide on medication and next steps, then see how the patient does. You get feedback and teaching notes at the end. It's free and works in your browser.
This case is part of a quick shift of about four patients (5–8 minutes). No account required.