Ch 21: Overview of Antihistamines

About This Chapter

Strengthen your knowledge of antihistamines and improve your performance in the workplace by studying these entertaining lessons. This chapter offers in-depth analyses of levocetirizine, acrivastine, chlorpheniramine and other antihistamines along with short quizzes that test your comprehension.

Overview of Antihistamines - Chapter Summary

This engaging overview is designed to quickly strengthen your knowledge of different antihistamines. Explore entertaining lessons to study loratadine, cetirizine, diphenhydramine, fexofenadine and others. Our instructors can ensure you understand their uses, structure, side effects and withdrawal symptoms. Also, the lessons make it easy to grasp their similarities and differences.

Select the lessons you want to study based on your current knowledge of antihistamines. Navigate these lessons in any sequence, and visit them as often as you'd like. Any questions that arise while examining this chapter can be submitted to our experts using the Dashboard. Feel free to take multiple-choice quizzes and a practice exam to check your comprehension of the lessons.

How It Helps

This chapter helps individuals working in pharmacology and related medical fields improve their comprehension of antihistamines. Our lessons can enhance pharmacologists' study of drug effects, modes of action and interactions and reacquaint pharmacists and other medical professionals with uses, dosages, withdrawal symptoms and other pertinent details about antihistamines. No matter your goal, studying this chapter can improve your work performance in a short period of time.

Skills Covered

Upon completion of this chapter, you will be able to:

  • Explain the side effects and withdrawal symptoms of cetirizine
  • Compare and contrast cetirizine with levocetirizine, loratadine, diphenhydramine, fexofenadine and acrivastine
  • Discuss cetirizine's uses, structure, classification, pharmacology, drug interactions and contraindications
  • Describe loratadine's uses, drug class, interactions, dosage, side effects and withdrawal symptoms
  • Detail how loratadine differs from fexofenadine, diphenhydramine, cetirizine hydrochlorine and chlorpheniramine
  • Provide facts about the pharmacokinetics and pharmacodynamics of loratadine
  • Exhibit knowledge of loratadine's mechanism of action and half-life

8 Lessons in Chapter 21: Overview of Antihistamines
Test your knowledge with a 30-question chapter practice test
Cetirizine: Side Effects & Withdrawal Symptoms

1. Cetirizine: Side Effects & Withdrawal Symptoms

In this lesson, you'll learn about cetirizine (Zyrtec), with a focus on its common side effects. We will also discuss reports of withdrawal symptoms in people previously taking Zyrtec.

Levocetirizine vs. Cetirizine

2. Levocetirizine vs. Cetirizine

This lesson is going to compare and contrast numerous aspects of levocetirizine and cetirizine. You'll find out how they are similar and what many of their differences are.

Cetirizine vs. Diphenhydramine

3. Cetirizine vs. Diphenhydramine

How do you know what allergy medication to choose? There are many different types and in this lesson we will learn about two common medications. We will compare cetirizine and diphenhydramine.

Cetirizine: Uses & Structure

4. Cetirizine: Uses & Structure

Cetirizine is a medication that is used during allergy season. It is known as an antihistamine. This lesson will discuss the uses and structure of this pharmaceutical.

Cetirizine: Classification & Pharmacology

5. Cetirizine: Classification & Pharmacology

Cetirizine is a commonly used allergy medication that is available over the counter at most stores. In this lesson, we will learn about the classification and pharmacology of cetirizine.

Cetirizine: Drug Interactions & Contraindications

6. Cetirizine: Drug Interactions & Contraindications

Cetirizine doesn't sound familiar, but its brand name is. You'll learn about it in this lesson and also familiarize yourself with cetirizine's important contraindications and drug interactions.

Cetirizine vs. Fexofenadine

7. Cetirizine vs. Fexofenadine

In this lesson, learn about cetirizine (Zyrtec) and fexofenadine (Allegra)and their role in treating allergy symptoms. Compare and contrast each drug in terms of how they work, what conditions they treat, and associated side effects.

Acrivastine vs. Cetirizine

8. Acrivastine vs. Cetirizine

Acrivastine and cetirizine are both medications that reduce allergy symptoms. This lesson will discuss the similarities and differences between acrivastine and cetirizine including uses, side effects, and precautions.

Chapter Practice Exam
Test your knowledge of this chapter with a 30 question practice chapter exam.
Not Taken
Practice Final Exam
Test your knowledge of the entire course with a 50 question practice final exam.
Not Taken

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