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Introduction
A diagram of the respiratory system shows the trachea branching off into the two lungs and the smaller bronchi that branch out throughout the lungs.
Figure 24.1 The lungs are the core of the respiratory system, which moves oxygen into the body and waste gases out. (attribution: Copyright Rice University, OpenStax, under CC BY 4.0 license)

Chapter Outline

24.1 Antihistamines and Decongestants
24.2 Antitussives
24.3 Expectorants and Mucolytics

Introduction

This chapter will discuss common upper respiratory drugs. These drugs include antihistamines, decongestants, antitussives, expectorants, and mucolytics. These drugs are used to treat conditions such as allergies, colds, and cough. Indications for use and common adverse reactions will be explored. Also discussed will be nursing implications and client education for each drug.