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Chronic Pharyngitis01:23

Chronic Pharyngitis

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Chronic pharyngitis refers to persistent inflammation of the pharyngial mucosa.
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It often arises from persistent viral or bacterial infections affecting sinuses and tonsils.
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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.
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Epistaxis, or nosebleeds, occurs when small, swollen blood vessels in the nasal mucous membrane rupture. Typically, the anterior septum is the primary site of occurrence.
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Drugs Used in Upper Respiratory Disorders: Overview01:16

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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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Rheumatic Heart Disease I: Introduction01:23

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Rheumatic heart disease or RHD is a chronic condition that results from rheumatic fever, causing permanent damage to the heart valves.Etiology and Risk FactorsIt primarily arises from rheumatic fever, an inflammatory disease that can develop after untreated or inadequately treated group A streptococcal (GAS) pharyngitis. Streptococcus spreads through direct contact with oral or respiratory secretions. While the bacteria are the causative agents, factors like malnutrition, overcrowding, poor...
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Nose and Nasal Cavity01:24

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The nose is composed of an observable exterior segment (external nose) and an internal segment within the skull known as the nasal cavity (internal nose). The external nose, visible on the face, consists of a framework of bone and hyaline cartilage enveloped in skin and muscle and lined with a mucous membrane. This structure is supported by the frontal bone, nasal bones, and maxillary bone and is supplemented by a cartilaginous framework comprising the septal nasal cartilage, lateral nasal...
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Related Experiment Video

Updated: Nov 1, 2025

Dural Stimulation and Periorbital von Frey Testing in Mice As a Preclinical Model of Headache
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Rhinogenic and sinus headache - Literature review.

J V Bernichi1, V L Rizzo1, J F Villa2

  • 1FACERES, São José do Rio Preto, Sao Paulo, Brazil.

American Journal of Otolaryngology
|June 27, 2021
PubMed
Summary
This summary is machine-generated.

Many "sinus headaches" are misdiagnosed migraines or primary headaches. Accurate diagnosis by otolaryngologists using history, endoscopy, and CT scans is crucial for effective treatment and improved quality of life.

Keywords:
HeadacheMigraineReviewRhinogenicSinus

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Area of Science:

  • Otolaryngology
  • Neurology
  • Rhinology

Background:

  • Headaches are complex symptoms with diverse causes.
  • Historically, nasal and sinus abnormalities were linked to headache causation.

Purpose of the Study:

  • To review the literature on sinus headaches and misdiagnoses.
  • To highlight the prevalence of misdiagnosed primary headaches as sinus headaches.
  • To emphasize the importance of accurate diagnosis in otolaryngology.

Main Methods:

  • Structured literature review.

Main Results:

  • 50-80% of reported
  • sinus headaches
  • are actually migraines or other primary headaches.
  • Potential mechanisms for rhinogenic headaches include mucosal contact, sinus hypoxia, and nasal polyps.
  • Surgical outcomes for rhinogenic headaches vary.

Conclusions:

  • Misdiagnosis of headaches significantly impacts patient quality of life.
  • Otolaryngologists must ensure precise headache diagnoses.
  • Clinical history, nasal endoscopy, and CT scans can reduce misdiagnosis rates.