Category: Pharmacology
Pharmacology of Theophylline
Introduction/Overview Theophylline, a methylxanthine derivative, represents one of the oldest classes of therapeutic agents still in clinical use for respiratory diseases. Its historical use dates...
Pharmacology of Salbutamol
1. Introduction/Overview Salbutamol, also known internationally as albuterol, represents a cornerstone medication in the management of reversible airway obstruction. As a selective beta2-adrenergic receptor agonist,...
Pharmacology of Methotrexate
Introduction/Overview Methotrexate, a structural analogue of folic acid, represents a cornerstone therapeutic agent in both oncology and immunology. Originally developed as a chemotherapeutic drug in...
Pharmacology of Colchicine
Introduction/Overview Colchicine is a naturally occurring alkaloid derived from plants of the genus Colchicum, most notably the autumn crocus (Colchicum autumnale). Its use as a...
Pharmacology of Allopurinol
Introduction/Overview Allopurinol represents a cornerstone therapeutic agent in the management of disorders characterized by hyperuricemia, most notably chronic gout. As a structural analog of the...
Pharmacology of Cetirizine
1. Introduction/Overview Cetirizine is a widely prescribed second-generation antihistamine, recognized as a cornerstone in the management of allergic conditions. As a piperazine derivative and a...
Pharmacology of Diphenhydramine
1. Introduction/Overview Diphenhydramine represents a prototypical and historically significant agent within the first-generation H1 receptor antagonist class of drugs. Initially synthesized in the 1940s, its...
Pharmacology of Histamine
1. Introduction/Overview Histamine, chemically known as 2-(4-imidazolyl)ethylamine, is a biogenic amine with profound physiological and pathological roles. It functions as a critical mediator in immediate...
Pharmacology of Naloxone
1. Introduction/Overview Naloxone hydrochloride represents a critical pharmacotherapeutic agent within emergency medicine and toxicology. As a competitive opioid receptor antagonist, its primary clinical utility resides...
Pharmacology of Codeine
1. Introduction/Overview Codeine, an alkaloid derived from the opium poppy Papaver somniferum, represents one of the most historically significant and widely utilized opioid medications. As...