Antihistamines | Pharmacology Mentor

Pharmacology of antiemetic drugs

December 28, 2025August 7, 2023 by Pharmacology Mentor

Introduction Nausea and vomiting are protective reflexes designed to prevent the ingestion or continued digestion of harmful toxins. However, when severe, they can significantly deteriorate patient comfort, compromise treatment adherence, and lead to complications such as electrolyte imbalances, dehydration, and undernutrition. Antiemetic drugs play a critical role across various clinical contexts—perioperative care, chemotherapy, radiation therapy, infectious gastroenteritis, … Read more

Pharmacotherapy of Cough

November 8, 2025March 13, 2023 by Pharmacology Mentor

Introduction Cough—an involuntary, forceful expulsion of air from the lungs—is one of the most frequent symptoms leading to medical consultation. As a physiologic reflex, cough serves as the body’s first line of defense against respiratory tract infection, foreign bodies, mucus, and irritants. Despite its protective role, chronic or severe cough substantially impairs quality of life, … Read more