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Related Concept Videos

Drugs Used in Lower Respiratory Disorders: Overview01:17

Drugs Used in Lower Respiratory Disorders: Overview

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Lower respiratory tract disorders present challenges that often require skilled and nuanced approaches for effective management. Common ailments, such as asthma and chronic obstructive pulmonary disease (COPD), have prompted the development of intricate treatment strategies involving bronchodilators and anti-inflammatory drugs, each tailored to ease breathing and revitalize the lungs.
Bronchodilators, the first step of respiration enhancement, come in various forms, each with its own mechanism...
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Antiasthma Drugs: β2-Adrenoceptor Agonists01:25

Antiasthma Drugs: β2-Adrenoceptor Agonists

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Bronchodilators are critical in managing asthma, a chronic respiratory condition characterized by airway constriction due to inflammation and hyper-reactivity. Specifically, bronchodilators ease this constriction by relaxing the bronchial muscles, facilitating easier breathing.
One class of bronchodilators includes β2-adrenoceptor agonists. These agents target the β2-adrenoceptors located on bronchial smooth muscle cells. By stimulating these receptors, β2-agonists induce...
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Upper Respiratory Drugs: Antitussives, Expectorants, and Mucolytics01:23

Upper Respiratory Drugs: Antitussives, Expectorants, and Mucolytics

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Respiratory symptoms, such as congestion and cough, commonly accompany respiratory tract conditions. Various medications, such as antitussives, expectorants, and mucolytics, play crucial roles in providing relief.
Antitussives include codeine, dextromethorphan (Robitussin), and benzonatate (Tessalon). Codeine and dextromethorphan exert their effects centrally by suppressing the cough reflex center in the medulla.  Benzonatate operates peripherally within the respiratory tract by...
1.8K
COPD: Management Using Bronchodilators and Corticosteroids01:26

COPD: Management Using Bronchodilators and Corticosteroids

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Chronic obstructive pulmonary isease (COPD) involves a group of progressive lung disorders characterized by persistent airflow limitation and chronic respiratory symptoms. Asthma-COPD Overlap Syndrome (ACOS), encompassing features of both asthma and Chronic obstructive pulmonary disease (COPD), is a group of progressive lung disorders that includes chronic bronchitis, emphysema, and refractory (non-reversible) asthma. ACOS leads to complex clinical presentations that combine the inflammatory...
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Pneumonia IV: Management01:28

Pneumonia IV: Management

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The treatment of pneumonia varies based on its severity and the causative pathogen. Here is a structured approach to managing pneumonia, integrating pharmaceutical and supportive care strategies.
Bacterial Pneumonia Treatment
For bacterial pneumonia, antibiotics serve as the cornerstone of therapy. Initial treatment often begins with empirical antibiotics, tailored to the anticipated causative organism and adjusted based on culture results. Key antibiotic choices include:
1.2K
Drugs Used in Upper Respiratory Disorders: Overview01:16

Drugs Used in Upper Respiratory Disorders: Overview

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Upper respiratory tract disorders, including viral infections and allergic rhinitis, cause significant discomfort and disrupt daily life. Managing these conditions involves a variety of drugs, such as antihistamines, intranasal steroids, decongestants, antitussives, expectorants, and mucolytics. Specific examples of drugs in each category are provided.
Antihistamines (e.g., Benadryl) block histamines from binding. Histamines are chemicals released during an allergic reaction in the body. As a...
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A Robust Pneumonia Model in Immunocompetent Rodents to Evaluate Antibacterial Efficacy against S. pneumoniae, H. influenzae, K. pneumoniae, P. aeruginosa or A. baumannii
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Antibiotics for acute bronchitis.

Susan M Smith1, Tom Fahey, John Smucny

  • 1Department of General Practice, Royal College of Surgeons, Beaux Lane House, Mercer St, Dublin, Ireland, 2.

The Cochrane Database of Systematic Reviews
|March 4, 2014
PubMed
Summary
This summary is machine-generated.

Antibiotics offer limited benefits for acute bronchitis, with no significant improvement in clinical recovery. While they may reduce cough symptoms, increased adverse effects and antibiotic resistance warrant caution.

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Area of Science:

  • Respiratory Medicine
  • Infectious Diseases
  • Clinical Pharmacology

Background:

  • Acute bronchitis is a common primary care diagnosis with unclear antibiotic efficacy.
  • The balance between benefits and risks of antibiotic use in acute bronchitis requires investigation.

Purpose of the Study:

  • To evaluate the effectiveness of antibiotics in improving outcomes for acute bronchitis.
  • To assess the adverse effects associated with antibiotic therapy in acute bronchitis patients.

Main Methods:

  • Systematic review of randomized controlled trials (RCTs) comparing antibiotics with placebo or no treatment.
  • Searches conducted across multiple databases including CENTRAL, MEDLINE, EMBASE, and LILACS.
  • Data extraction and quality assessment performed by at least two independent reviewers.

Main Results:

  • Seventeen RCTs involving 3936 participants were analyzed.
  • Antibiotics showed no significant difference in clinical improvement but reduced cough symptoms and duration.
  • Antibiotic use was associated with increased adverse effects and clinician-reported unimproved status.

Conclusions:

  • Limited evidence supports antibiotic use for acute bronchitis.
  • Potential modest benefits in specific populations must be weighed against side effects, resistance, and costs.
  • Over-medicalization of a self-limiting condition should be avoided.