Pharyngeal infections. Causes, findings, and management

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Published on: February 23, 2014

J H Mandel

    Postgraduate Medicine
    |February 15, 1985
    PubMed

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    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:
    Chronic Pharyngitis01:23

    Chronic Pharyngitis

    Chronic pharyngitis refers to persistent inflammation of the pharyngial mucosa.
    Etiology
    It often arises from persistent viral or bacterial infections affecting sinuses and tonsils.
    Additional contributing factors include inadequate dental hygiene, mouth breathing, recurring tonsillitis, allergic rhinitis, laryngopharyngeal reflux, and exposure to smoke, chemicals, and other environmental pollutants. Allergic reactions to pollen, mold, and pet dander, chronic cough, excessive voice usage,...
    Tonsillitis II: Management01:26

    Tonsillitis II: Management

    This lesson will focus on the different treatment options for managing tonsillitis, which typically depend on the cause and severity.
    Pneumonia I: Introduction01:30

    Pneumonia I: Introduction

    Pneumonia is an acute respiratory infection that targets the lungs, specifically the alveoli. These tiny air sacs, essential for oxygen exchange, become engorged with pus and fluid, severely hindering breathing, decreasing oxygen absorption, and causing significant pain and discomfort during respiration.
    Risk Factors
    Various factors influence the likelihood of developing pneumonia. Age plays a crucial role, with infants, children under two, and individuals over 65 at increased risk due to their...
    Pneumonia IV: Management01:28

    Pneumonia IV: Management

    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:
    Streptococcal Pharyngitis01:27

    Streptococcal Pharyngitis

    Streptococcal pharyngitis, commonly known as “strep throat,” is an acute infection of the oropharyngeal tissues caused by the Gram‑positive Group A Streptococcus (Streptococcus pyogenes). Transmission occurs primarily through respiratory droplets expelled during coughing, sneezing, or talking.Mechanisms of Host Entry and Immune EvasionUpon entering the host, S. pyogenes adheres to the mucosal epithelial cells of the pharynx via surface proteins, notably lipoteichoic acid and the antiphagocytic...