Figure
7.1
The immune system is a complex network of cells, tissues, and organs that work together to protect the body from harmful substances, such as pathogens. (attribution: Copyright Rice University, OpenStax, under CC BY 4.0 license)
Chapter Outline
Introduction
Four primary types of microorganisms are responsible for causing infections in humans: bacteria, viruses, fungi, and parasites. This chapter will introduce the various pharmacologic agents designed to treat infections caused by these microorganisms, including indications, mechanisms, adverse effects, contraindications, and drug interactions.