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   What is an upper respiratory tract infection?

   • Upper respiratory tract infections can be defined as self-limited irritation and swelling of the upper airways with associated cough and no signs of pneumonia, in a patient with no other condition that would account for their symptoms, or with no history of chronic obstructive pulmonary disease, emphysema, or chronic bronchitis.

   Upper Respiratory Tract Infection - StatPearls - NCBI Bookshelf

   www.ncbi.nlm.nih.gov/books/NBK532961/

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   What causes upper respiratory infections?

   • Upper respiratory infections are generally caused by the direct invasion of the inner lining (mucosa or mucus membrane) of the upper airway by the culprit virus or bacteria. For pathogens (viruses and bacteria) to invade the mucus membrane of the upper airways, they have to fight through several physical and immunologic barriers.

   Upper Respiratory Infection (URI) - MedicineNet

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   When are upper respiratory infections most common?

   • Although upper respiratory infections can happen at any time, they are most common in the fall and winter months, from September to March. This may be explained because these are the usual school months when children and adolescents spend a lot of time in groups and inside closed doors.

   Upper Respiratory Infection (URI) - MedicineNet

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2. my.clevelandclinic.org › health › articlesUpper Respiratory Infection: Symptoms, Contagious, Treatment

   my.clevelandclinic.org › health › articles

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   Learn about upper respiratory infections, which affect your sinuses and throat. Find out how to prevent, diagnose and treat common colds, sore throats, sinusitis and other conditions.

3. www.ncbi.nlm.nih.gov › books › NBK532961Upper Respiratory Tract Infection - StatPearls - NCBI Bookshelf

   www.ncbi.nlm.nih.gov › books › NBK532961

   Jun 26, 2023 · Upper respiratory tract infections involve the nose, sinuses, pharynx, larynx, and the large airways. A variety of viruses and bacteria can cause upper respiratory tract infections. These cause a variety of patient diseases including acute bronchitis, the common cold, influenza, and respiratory distress syndromes.

   • Author: Micah Thomas, Paul A. Bomar
   • Published: 2023/06/26

   • Publish Year: 2018

4. www.medicalnewstoday.com › articles › 323886Upper respiratory infection: Symptoms, treatment, and causes

   www.medicalnewstoday.com › articles › 323886

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   Oct 19, 2023 · Learn about the types, symptoms, and treatment of upper respiratory infections (URIs), which affect the nasal passages and throat. Find out how to prevent URIs and when to see a doctor.

5. www.healthgrades.com › upper-respiratory-infectionUpper Respiratory Infection: Symptoms, Causes, Types, and ...

   www.healthgrades.com › upper-respiratory-infection

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   Learn about the different types of upper respiratory infections (URIs), such as the common cold, pharyngitis, and croup, and how to prevent and treat them. Find out when to contact a doctor and what complications to watch out for.

   • Generally, URIs caused by viruses will get better on their own after 7–10 days. Bacterial URIs will begin to get better after antibiotic treatment.
   • URIs are highly contagious. They can be spread by touching surfaces with germs and then touching your eyes, nose, or mouth, or by breathing in germ...
   • Mild cases of COVID-19 typically are limited to the upper respiratory tract. The lower respiratory tract may become infected in moderate cases of C...

6. www.healthline.com › health › acute-upperAcute Upper Respiratory Infection - Healthline

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   Mar 10, 2023 · Learn about the common viral and bacterial infections that affect your nose and throat, also known as URIs. Find out how to prevent, diagnose, and treat URIs, and when to see a doctor.

   • The common cold and the flu are illnesses caused by viruses, but they are not the same thing. Symptoms of a cold appear gradually over 2 to 3 days...
   • URIs usually last 7 to 10 days, but some symptoms may linger for up to 3 weeks.
   • Most people recover from URIs without any complications. However, some people may develop pneumonia, a serious complication that can occur with any...

7. en.wikipedia.org › wiki › Upper_respiratory_tractUpper respiratory tract infection - Wikipedia

   en.wikipedia.org › wiki › Upper_respiratory_tract

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   An upper respiratory tract infection ( URTI) is an illness caused by an acute infection, which involves the upper respiratory tract, including the nose, sinuses, pharynx, larynx or trachea. [3] [4] This commonly includes nasal obstruction, sore throat, tonsillitis, pharyngitis, laryngitis, sinusitis, otitis media, and the common cold.

8. www.medicinenet.com › upper_respiratory_infectionUpper Respiratory Infection: Contagious, Symptoms, Treatment ...

   www.medicinenet.com › upper_respiratory_infection

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   May 6, 2024 · Learn about upper respiratory infection (URI), a common illness that affects the sinuses, nasal passages, pharynx, and larynx. Find out the contagiousness, risk factors, diagnosis, treatment, and prevention of URI.