[Therapy of the lower respiratory tract infections in aged patients. Clinical experience with ceftriaxone using a single daily dose].

Sixty-seven elderly patients affected by acute or chronic pulmonary pathologies were treated parenterally with ceftriaxone in a single dose of 2 g/day. A deterioration of the bacterial analysis of expectorate during or at the end of therapy was observed in 92.5% of patients; a reduced bacteria count was found in one case; and no clinical or bacterial effects were observed in 3 cases. No adverse effects or changes in the main hematochemical parameters were reported.