144 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]

  • Influenza

    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 lowerrespiratory tract infection (hypoxaemia, dyspnoea, lung infiltrate), central nervous system involvement and/or a significant exacerbation of an underlying medical condition … Bacterial or viral lower respiratory tract infection, including pneumonia .[3]

  • Viral Lower Respiratory Infection
  • Skin Infection

    Tuberculosis is a type of bacterial lower respiratory tract infection.[4]

  • Hypogammaglobulinemia
    Lower Respiratory Tract Infection
  • Immune System Disorder
    Lower Respiratory Tract Infection
  • Acquired Immunodeficiency Syndrome
    Lower Respiratory Tract Infection
  • 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 … placebo-controlled trial conducted between April 2008 and September 2010 in 14 hospitals in the Netherlands among 83 outpatients with non-CF bronchiectasis and 3 or more lower[5] [6] [7]

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

Similar symptoms


  1. Upper Respiratory Infection, http://www.healthgrades.com/conditions/upper-re…
  2. Respiratory tract infections - NHS Choices, http://www.nhs.uk/conditions/respiratory-tract-…
  3. Influenza. What is Influenza? Information on the flu, http://patient.info/doctor/influenza
  4. Bacterial Infections 101: Types, Symptoms, and Treatments, http://www.medicinenet.com/bacterial_infections…
  5. EMBARC, https://www.bronchiectasis.eu/
  6. Bronchiectasis: Practice Essentials, Background, Pathophysiology, http://emedicine.medscape.com/article/296961-overview
  7. Effect of Azithromycin Maintenance Treatment on Infectious Exacerbations Among Patients With Non–Cystic Fibrosis BronchiectasisThe BAT Randomized Controlled Trial | Clinical Pharmacy and Pharmacology | JAMA, http://jama.jamanetwork.com/article.aspx?articl…