Antitussives

By the end of this section, you should be able to: Opioid Antitussives Antitussives are drugs that are used to treat nonproductive coughs. They are more commonly referred to as cough suppressants. Although their exact mechanism of action is unknown, it…

Introduction

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 This chapter…

Key Terms

asthmacondition in which airways narrow and swell, causing wheezing and difficulty breathingchronic bronchitislong-term inflammation of the bronchi, causing severe coughing spellschronic obstructive pulmonary disease (COPD)a group of diseases that cause airflow blockage and breathing problems; includes emphysema and chronic bronchitis;…

Chapter Summary

This chapter focused on the structures and functions of the respiratory system. The upper and lower respiratory systems were discussed. The upper respiratory system consists of the nose, nasal cavity, mouth, pharynx, and larynx. The upper respiratory system brings air…