Introduction

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

7.1 Introduction to Bacterial, Viral/COVID-19, and Fungal Infections

7.2 Antibiotic, Antiviral/Anti–COVID-19, and Antifungal Drugs

7.3 Introduction to HIV, AIDS, and Antiretrovirals

7.4 Introduction to Sexually Transmitted Infections and Drugs to Treat Them

7.5 Introduction to Tuberculosis and Antitubercular Drugs

7.6 Antiparasitic and Anthelminthic Drugs

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.