Empiric therapy or empirical therapy is medical treatment or therapy based on experience and, more specifically, therapy begun on the basis of a clinical "educated guess" in the absence of complete or perfect information. … See more

Another now-dated sense of the term empiric therapy involves quackery, and empiric as a noun has been used as a synonym of quack.
This sense applies when the amount of guessing involved by the clinician transcends so far … See more

Empiric antimicrobial therapy is typically broad-spectrum, in that it treats both a multitude of either Gram-positive and/or Gram-negative bacteria, diverse fungi or parasites respectively. When more information is known (as from a blood culture See more

• Broad-spectrum antibiotic See more