Title: OROS Medication as a Confounder to Kidney Stone Diagnosis, Medscape

Some new medications are able to be released gently by this new form of slow release capsule.

We report how in one prestigious child medical hospital, the OROS capsule was confused with a kidney stone. We report a youth who had a stone that passed, but the capsules in his bowel looked like other kidney stones to the E.R. doctors. They pondered surgery. Concerta or slow release Ritalin is one of many drugs that uses this special delivery.

Full-text article: Schaller JL, Behar D. OROS Medications Confounding Kidney Stone Diagnosis. Medscape General Medicine. April 27, 2001. Available at: www.medscape.com/viewarticle/408131.