Categories
Modern Pharmacology

Bronchodilator : Classification of Drugs, Uses

Bronchodilator is a substance that dilates the bronchi and bronchioles, decreasing resistance in the respiratory airway and increasing airflow to the lungs. Bronchospasm can induce or aggravate cough. Stimulation of pulmonary receptors can trigger both cough and broncho constriction, especially in individuals with effectiveness of cough in clearing secretions by increasing surface velocity of airflow during the act of coughing. They should […]

Categories
Modern Pharmacology

Laxatives : Classification of Drugs and their Side effects

INTRODUCTION Laxatives are drugs that promote evacuation of bowels. A distinction is sometimes made according to the intensity of action. (a) Laxative or aperient: milder action, elimination of soft but formed stools. (b) Purgative or cathartic: stronger action resulting in more fluid evacuation. Many drugs in low doses act as laxative and in larger doses […]

Categories
Modern Pharmacology

Diuretics – Mechanism of Action, Types, Classification, Drugs

Introduction A diuretic is any substance that promotes diuresis, the increased production of urine. All diuretics increase the excretion of water from bodies. Such as vasopressin (Antidiuretic Hormone), is an agent or drug which reduces the excretion of water in urine. Mechanism of action First, they effectively reduce blood pressure. Thiazide diuretics are secreted from […]