Disclosed is a method of preventing or inhibiting biofilm formation by a population of bacteria comprising the administration of a sterile intravenous normal saline solution containing glycerin and amino acids. In some embodiments, the concentration of glycerin in the normal saline solution is approximately 3%. In some embodiments, the concentration of amino acids in the normal saline solution is approximately 3%. In some embodiments, the intravenous solution is administered for 48 hours at 80 cc/hour. In some embodiments, the solution is infused via intracavernous administration into an infected body cavity.