172 Possible Causes for Lower Respiratory Tract Infection in USA

    • Upper Respiratory Infection

      Healthcare professionals generally make a distinction between: upper respiratory tract infections – which affect the nose, sinuses and throat lower respiratory tract infectionsLower respiratory tract infections Common lower RTIs include: flu – which can affect either the upper or lower respiratory tract bronchitis – infection of the airways pneumonia … Some sources classify acute bronchitis as a lower respiratory tract infection instead of a URI.[1] [2]

    • Viral Lower Respiratory Infection
    • Influenza

      Bacterial or viral lower respiratory tract infection, including pneumonia . … respiratory tract infection (hypoxaemia, dyspnoea, lung infiltrate), central nervous system involvement and/or a significant exacerbation of an underlying medical condition … […] symptoms, but without any features of complicated influenza. [ 1 ] Complicated influenza is defined as influenza requiring hospital admission and/or with symptoms and signs of lower[3]

    • Bronchiectasis
      Lower Respiratory Tract Infection

      . / Am J Respir Crit Care Med. 2017 May 15;195(10):1384-1393. doi: 10.1164/rccm.201605-1027OC An update on the pharmacotherapeutic management of lower respiratory tract infections … Bronchopulmonary sequestration is a congenital abnormality classified as either intralobar or extralobar and results in chronic lower respiratory tract infections that lead … respiratory tract infections in the preceding year.[4] [5] [6]

    • Acquired Immunodeficiency Syndrome
      Lower Respiratory Tract Infection
    • Immune System Disorder
      Lower Respiratory Tract Infection
    • Hypogammaglobulinemia
      Lower Respiratory Tract Infection

      Recurrent or chronic upper and lower respiratory tract infections leading to bronchiectasis , chronic sinusitis or cor pulmonale are not common. … Thus, occasionally isolated IgG2 deficiency may be as severe as global IgG deficiency in terms of recurrent upper and lower respiratory tract infections with encapsulated[7]

    • Fatigue
      Lower Respiratory Tract Infection
    • Atrial Septal Defect
      Lower Respiratory Tract Infection
    • Fucosidosis
      Lower Respiratory Tract Infection

    Further symptoms

    Similar symptoms


    1. Upper Respiratory Infection,…
    2. Respiratory tract infections - NHS Choices,…
    3. Influenza. What is Influenza? Information on the flu,
    4. Effect of Azithromycin Maintenance Treatment on Infectious Exacerbations Among Patients With Non–Cystic Fibrosis BronchiectasisThe BAT Randomized Controlled Trial | Clinical Pharmacy and Pharmacology | JAMA,…
    5. Bronchiectasis: Practice Essentials, Background, Pathophysiology,
    6. EMBARC,
    7. Hypogammaglobulinemia Clinical Presentation: History, Physical, Causes,…