Dive into a comprehensive 2-hour 43-minute lecture on Cholinergic Drugs in Pharmacology, delivered by Dr. Najeeb. Explore the intricacies of cholinergic medications, including their types, mechanisms of action, and clinical applications. Learn about direct-acting and indirect-acting cholinergic agonists, and their effects on the parasympathetic nervous system. Discover the use of these drugs in treating conditions such as postpartum and postoperative urinary retention, gastroparesis, and congenital megacolon. Examine the side effects, contraindications, and interactions with other conditions like hyperthyroidism and Parkinson's disease. Delve into specific cholinergic agents such as Methylcholine and Pylocarbine, and understand their role in managing various types of glaucoma and regulating aqueous humor production.