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Frequent consumption of cereals, rice, pasta and chocolates may have beneficial effect on symptoms of rhinoconjunctivitis. Although dietary habits may affect the prevalence of symptoms of current rhinoconjunctivitis, the Mediterranean diet alone may not be protective against rhinoconjunctivitis.

Purpose Ceftriaxone is a widely used third‐generation cephalosporin. In this prospective study, we used sonography to investigate the incidence and outcome of biliary complications in children receiving ceftriaxone therapy. Methods Ceftriaxone was administered intravenously at a dosage of 100 mg/kg/day for 1–3 weeks to 118 children hospitalized for severe infection. Serial gallbladder sonograms were obtained on days 1, 5–7, and 10–14 of therapy and the day after therapy ended if it had lasted more than 2 weeks. When sonographic abnormalities were found, additional sonograms were obtained every 3 days until the abnormalities had completely resolved. Results Twenty patients (17%), all asymptomatic, demonstrated sonographic abnormalities: 8 had gallbladder sludge, defined as echogenic material without associated acoustic shadowing, and 12 had pseudolithiasis, defined as echogenic material with acoustic shadowing. These abnormalities spontaneously resolved within 2 weeks of stopping the ceftriaxone (mean time to disappearance, 8.2 ± 3.4 days). No significant differences were found between patients with normal versus abnormal sonographic findings in sex, age, duration of treatment, or other risk factors for drug precipitation. Conclusions Ceftriaxone‐associated biliary pseudolithiasis is usually asymptomatic and was rapidly reversible after cessation of therapy in this group of Turkish children. © 2000 John Wiley & Sons, Inc. J Clin Ultrasound 28:166–168, 2000.

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