Ceftriaxone-associated nephrolithiasis and biliary pseudolithiasis

Biliary pseudolithiasis has been reported in patients who received ceftriax one therapy. In addition to biliary sludge formation occasional reports of ceftriaxone-induced nephrolithiasis have been published. In general, these adverse effects will develop after seven to ten days of treatment. We repor t on a seven-year-old boy with ceftriaxone-associated biliary pseudolithias is and nephrolithiasis four days after initiation of treatment. patients re ceiving a high dose of ceftriaxone and developing colicky abdominal pain sh ould be considered for ultrasound and a change in antibiotic therapy if app ropriate.