Bronchitis is a detailed guide that explains the causes, symptoms, treatment, and prevention of this common respiratory condition. The article begins by introducing bronchitis and its two main types: acute, which is often caused by infections, and chronic, a long-term condition linked to smoking and environmental irritants. It explores the common symptoms, such as persistent coughing, mucus production, and breathing difficulties, while highlighting the differences between acute and chronic cases. The guide provides insight into how bronchitis is diagnosed through medical history, physical examinations, and tests like chest X-rays and pulmonary function tests. Treatment options are thoroughly discussed, including the use of medications like albuterol (Ventolin) and inhaled corticosteroids, along with lifestyle changes such as quitting smoking and staying active. The article emphasizes prevention strategies, such as vaccinations and reducing exposure to respiratory irritants, to protect lung health. It also addresses potential complications, including pneumonia and chronic obstructive pulmonary disease (COPD), and explores the role of genetics in susceptibility to bronchitis. Organized to provide clear, actionable information, this guide serves as a practical resource for patients, caregivers, and the general public. The information is presented in simple terms to ensure it is accessible and easy to understand for all readers.