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Mechanism of Action

Mechanism of Action of Duloxetine

MOA of Duloxetine

Introduction Duloxetine is a serotonin-norepinephrine reuptake inhibitor (SNRI) widely used in psychiatry and neurology. It is prescribed for major depressive disorder, generalized anxiety disorder, neuropathic pain, fibromyalgia, and chronic musculoskeletal pain. Mechanism of Action of Duloxetine centers on its ability to modulate central monoaminergic neurotransmission by inhibiting reuptake of serotonin and norepinephrine. This dual mechanism … Read more

Mechanism of Action of Linagliptin

MOA of Linagliptin

Introduction Linagliptin is an oral hypoglycemic drug belonging to the class of dipeptidyl peptidase-4 (DPP-4) inhibitors. It is primarily used in the management of type 2 diabetes mellitus to improve glycemic control. Unlike many other antidiabetic agents, linagliptin has a unique excretion pathway, being mostly eliminated via the enterohepatic system rather than the kidneys, making … Read more

Mechanism of Action of Glucagon

Mechanism of action of Glucagon

Introduction Glucagon is a peptide hormone secreted by the alpha cells of the pancreas. It plays a crucial role in glucose homeostasis by raising blood glucose levels, especially during fasting states. Clinically, it is used in the emergency treatment of severe hypoglycemia, as well as in diagnostic procedures involving the gastrointestinal tract. Glucagon acts via … Read more

Mechanism of Action of Nicardipine

Nicardipine pharmacology

Introduction Nicardipine is a dihydropyridine calcium channel blocker primarily used for the management of hypertension and angina. It selectively acts on vascular smooth muscle to induce vasodilation, resulting in decreased systemic vascular resistance. Its rapid onset and favorable hemodynamic profile make it especially useful in hypertensive emergencies and perioperative blood pressure control. Mechanism of Action … Read more

Mechanism of Action of Oxybutynin

Mechanism of action of Oxybutynin

Introduction Oxybutynin is an antimuscarinic agent used primarily in the treatment of overactive bladder (OAB) and urinary incontinence. It reduces urinary urgency and frequency by inhibiting involuntary bladder contractions. Its dual mechanism—anticholinergic and direct smooth muscle relaxant properties—makes it effective for bladder control with additional benefits in neurogenic bladder conditions. Mechanism of Action (Step-wise) 1. … Read more

Mechanism of Action of Lactulose

Mechanism of action of Lactulose

Introduction Lactulose is a synthetic disaccharide used primarily for the treatment of hepatic encephalopathy and constipation. As a non-absorbable sugar, it exerts its effects locally in the colon through osmotic activity and modulation of gut flora. Its dual action—both osmotic laxative and ammonia-reducing agent—makes it a unique therapeutic agent in hepatic and gastrointestinal conditions. Mechanism … Read more

Mechanism of Action of Orlistat

MOA of Orlistat

Introduction Orlistat is a lipase inhibitor used primarily as an anti-obesity agent. It acts locally within the gastrointestinal tract to reduce the absorption of dietary fats. Unlike centrally acting appetite suppressants, orlistat exerts its effect peripherally without affecting the central nervous system. This makes it a valuable pharmacologic option for long-term weight management in obese … Read more

Mechanism of Action of Budesonide

Mechanism of action of Budesonide

Introduction Budesonide is a potent, non-halogenated glucocorticoid used primarily for its anti-inflammatory and immunosuppressive properties. It is commonly employed in the management of asthma, chronic obstructive pulmonary disease (COPD), inflammatory bowel disease (IBD), and allergic rhinitis. Budesonide’s localized activity and high first-pass metabolism reduce systemic exposure, making it a preferred option for targeted anti-inflammatory therapy. … Read more

Mechanism of Action of Pregabalin (Lyrica)

MOA of Pregabalin

Introduction Pregabalin, marketed under the brand name Lyrica, is a centrally acting agent approved for neuropathic pain, epilepsy, and generalized anxiety disorder. Although structurally similar to gamma-aminobutyric acid (GABA), pregabalin does not bind to GABA receptors. Instead, it exerts its effects by modulating calcium channels in the central nervous system, leading to decreased neurotransmitter release … Read more

Mechanism of Action of Sugammadex

MOA of Sugammadex

Introduction Sugammadex is a novel reversal agent specifically designed to antagonize the effects of aminosteroid non-depolarizing neuromuscular blockers, such as rocuronium and vecuronium. It belongs to the class of selective relaxant binding agents (SRBAs) and represents a significant advancement over traditional acetylcholinesterase inhibitors. Sugammadex offers rapid and effective reversal of neuromuscular blockade without cholinergic side … Read more

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