Ampicillin is a broad-spectrum antibiotic prescribed to treat respiratory tract infections as well as skin and soft tissue infections. Some of these infections may include abscesses and wounds caused by certain types of bacteria. Customers may receive this drug under the names Princillin, Omni-Pen, Polyflex.**We directly source prescription medications from manufacturers and wholesale distributors registered with the FDA and licensed by applicable state boards. Guaranteed genuine, and where applicable, backed by the manufacturer.**