A home intravenous antimicrobial program that was implemented at both a private community hospital and a university hospital with a wide rural referral base is described. Over an 18-month period, 63 patients were screened and selected for home i.v. antimicrobial management according to stringent criteria. The hospital pharmacies and two home health-care companies were used as the central points for coordinating the preparation and distribution of drug products and providing specialty nursing services. Predischarge inhospital education for each patient was conducted by a pharmacist and a nurse. On-call pharmacists and nurses were available to monitor and assist the patients, and the patients were seen regularly by physicians during the period of home therapy. The 63 patients received a total of 1108 days of home i.v. antimicrobial therapy; the mean duration of therapy was 17.6 days. Heparin-lock peripheral cannulae were used for 51 patients, while 12 patients received their treatment through central-subclavian or Hickman catheters. Home i.v. antimicrobial treatment seemed to be as effective as comparable inpatient management for each type of infection. Drug- and i.v. catheter-related adverse effects were uncommon and seemed similar in type and frequency to those of hospitalized patients. The estimated cost savings per treatment course was $3,514 for a total net savings of $221,406 over the 18-month study period. Home i.v. antimicrobial treatment programs can be successfully implemented in both community-based and tertiary-care settings. Home therapy is a safe, efficacious, and cost-effective alternative to prolonged hospitalization for a variety of infectious diseases.