This paper discusses the treatment of prostatitis. Keflex is uncommonly used for the treatment of acute prostatitis but does have FDA approval for this indication.
- B. Lipsky, I. Byren, and C. Hoey, "Treatment of Bacterial Prostatitis", Clinical Infectious Diseases, vol. 50, pp. 1641-1652, 2010. http://dx.doi.org/10.1086/652861