The Case Challenge series includes difficult-to-diagnose conditions, some of which are not frequently encountered by most clinicians but are nonetheless important to accurately recognize. Test your diagnostic and treatment skills using the following patient scenario and corresponding questions. If you have a case that you would like to suggest for a future Case Challenge, please contact us.
A 20-year-old woman presents with a 2-week history of bilateral flank pain and episodic vomiting. She has no history of fever, dysuria, polyuria, hematuria, or urinary urgency. She has had epilepsy since early childhood and has been on multiple antiepileptic drugs with variable status of control.
She is taking the tablet form of levetiracetam (500 mg) three times a day and tablet carbamazepine (400 mg) three times a day. She is single and unemployed. She is a nonsmoker and denies substance abuse. Her family history is noncontributory.
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Cite this: Sumaira Nabi, Shahzad Ahmed, Mazhar Badshah. A 20-Year-Old Woman With Flank Pain and Vomiting - Medscape - Mar 28, 2017.