COPD drugs - Pharmacy Freak

Mechanism of Action of Ipratropium Bromide

April 10, 2026March 20, 2026 Pharmacy Freak Editorial Team Harsh Singh Rajput

Introduction Ipratropium bromide is a short-acting anticholinergic (antimuscarinic) bronchodilator primarily used in the management of chronic obstructive pulmonary disease (COPD) and, in some cases, asthma. It is a quaternary ammonium compound derived from atropine, designed for inhalational use with minimal systemic absorption. Its main action is to reduce bronchoconstriction mediated by the parasympathetic nervous system. … Read more

Mechanism of Action of Bronchodilators

April 10, 2026November 25, 2025 Pharmacy Freak Editorial Team Harsh Singh Rajput

Introduction Bronchodilators are a broad class of drugs used to relieve bronchoconstriction, improve airflow, and treat respiratory disorders such as asthma, COPD, and bronchospasm. They work by relaxing airway smooth muscle, reducing airway resistance, and enhancing ventilation. The main drug classes that act as bronchodilators include: Each class uses a different mechanism, but all ultimately … Read more