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Related Concept Videos

Common Respiratory Disorders01:31

Common Respiratory Disorders

Respiratory disorders, a prevalent health concern globally, are generally divided into two primary categories: upper and lower respiratory tract disorders. The categorization is based on the area of the respiratory system they affect.
Upper respiratory disorders impact the airways above the vocal cords, encompassing areas like the nose, sinuses, and throat. Various conditions fall under this category, including the common cold and allergic rhinitis. These disorders can stem from several causes,...
Microbiota of the Respiratory Tract01:29

Microbiota of the Respiratory Tract

The human respiratory tract, comprising the upper and lower segments, serves as a critical interface with the external environment. The upper respiratory tract (URT)—including the nostrils, sinuses, pharynx, and oropharynx—is heavily colonized by microbes, while the lower respiratory tract (LRT), composed of the larynx, trachea, bronchi, and lungs, was long thought to be sterile. However, recent molecular studies have revealed that the lungs are not devoid of microbes but act more like...
Drugs Used in Upper Respiratory Disorders: Overview01:16

Drugs Used in Upper Respiratory Disorders: Overview

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...
Influenza01:27

Influenza

Influenza is an acute, highly communicable viral disease that affects the respiratory tract and is responsible for seasonal epidemics worldwide. Influenza A is the most prevalent type associated with widespread outbreaks and is subtyped based on two surface glycoproteins: hemagglutinin (H) and neuraminidase (N), as in H1N1. These glycoproteins are essential for viral infectivity, transmission, and immune recognition. Transmission occurs primarily through respiratory droplets and contaminated...
Anatomy of Respiratory System I: Upper Respiratory Tract01:29

Anatomy of Respiratory System I: Upper Respiratory Tract

The upper respiratory tract plays a vital role in the respiratory system, comprising several structures that facilitate air intake and prepare air for the lungs. It also serves as the first line of defense against pathogens and particles. This tract includes the nose and nasal cavity, the oral cavity, the paranasal sinuses, and the pharynx, each with specific functions and features.
Nose and nasal cavity
The nose and nasal cavity represent the main external openings of the respiratory tract.
Acute Pharyngitis01:30

Acute Pharyngitis

Introduction
Acute pharyngitis is the inflammation of the back of the throat (pharynx), commonly resulting in a sore throat. It is a frequently encountered condition that prompts individuals to seek medical advice.
Classification
Acute pharyngitis can be categorized based on its underlying cause:

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Assessing Respiratory Immune Responses to Haemophilus Influenzae
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Upper respiratory infections.

Samuel N Grief1

  • 1Department of Family Medicine, University of Illinois at Chicago, IL 60612, USA. drsgrief@yahoo.com

Primary Care
|August 21, 2013
PubMed
Summary
This summary is machine-generated.

Upper respiratory infections (URIs) affect the mouth, nose, and throat. This overview covers URI epidemiology, causes, diagnosis, and management for common colds and other related conditions.

Keywords:
PharyngitisSinusitisUpper respiratory infection

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Area of Science:

  • Medical Science
  • Infectious Diseases
  • Public Health

Background:

  • Upper respiratory infections (URIs) are common illnesses affecting the upper airway.
  • URIs encompass a range of conditions including the common cold, sinusitis, pharyngitis, laryngitis, and laryngotracheitis.
  • Understanding URI characteristics is crucial for effective healthcare management.

Purpose of the Study:

  • To provide a comprehensive overview of upper respiratory infections.
  • To detail the epidemiology, etiology, diagnosis, and management of URIs.
  • To cover specific URI conditions like nasopharyngitis, sinusitis, pharyngitis, laryngitis, and laryngotracheitis.

Main Methods:

  • Literature review and synthesis of existing research on URIs.
  • Epidemiological data analysis.
  • Clinical guideline review for diagnosis and management.

Main Results:

  • URIs are widespread, with varying etiological agents.
  • Distinct diagnostic criteria exist for different URI types.
  • Management strategies differ based on the specific URI and its severity.

Conclusions:

  • Effective management of URIs relies on accurate diagnosis and understanding of causative factors.
  • Public health strategies can mitigate URI spread.
  • Further research can refine treatment protocols for various upper respiratory infections.