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Article
December 7, 1970

Clinical and Bacteriological Evaluation of Antibiotic Treatment in Shigellosis

Author Affiliations

From the US Naval Medical Research Unit-2 Detachment, Preventive Medicine Unit, and the Department of Medicine, Naval Support Activity Hospital, DaNang, South Vietnam. Drs. Tong and Gunning are now with the US Medical Research Unit No. 2, Taipei, Taiwan, Republic of China; LT Martin is the Laboratory Officer, US Naval Preventive Medicine Unit No. 2, Norfolk, Va; and Dr. Cunningham is with Stanford (Calif) University Medical Center.

JAMA. 1970;214(10):1841-1844. doi:10.1001/jama.1970.03180100035006
Abstract

Ampicillin trihydrate, administered orally, significantly shortened the duration of diarrhea, abdominal cramps, and fever in 30 adults with shigellosis, when compared to the duration of these symptoms in 30 nontreated controls. Ampicillin also effectively eliminated shigallae from the intestinal tract within 24 to 48 hours of therapy in a majority of cases. In contrast, kanamycin sulfate, given parenterally, was not effective in altering the clinical course, nor in decreasing the number of patients excreting shigellae. Thirty percent (9) of patients treated with ampicillin and 40% (24) in both the kanamycin and control groups continued to shed shigellae 12 days after the start of antibiotic therapy. Although ampicillin therapy effectively shortened the clinical course of shigellosis, further studies are needed to determine whether convalescent excretion of shigellae can be eliminated with either higher doses or a longer course of antibiotic therapy.

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