this drug was given to my son in the ER following a car accident, he had severe head trauma, can you tell me what this was used for? ## Dear Sir, what you're looking for ist Ancef. It' an antibiotic used to treat a wide variety of bacterial infections. It may also be used before and during certain surgeries to help prevent infection. This medication is known as a cephalosporin antibiotic. It works by stopping the growth of bacteria. For more Information about this drug see