Doctor insights on:
Causes Of Upper Respiratory Infection
What is more serious of a disease, lower respiratory tract infections or upper respiratory tract infections?
Lower respiratory: Upper respiratory infections involve upper airways such as throat, nasal cavity, paranasal sinuses, eustachian tubes, trachea as, nd bronchi. When the disease process in the bronchi, or bronchitis, continues, it could begin to involve lower airways in the lung tissues, which is then more advanced lower respiratory infections or pneumonia. ...Read moreSee 1 more doctor answer
An infection of the upper or lower respiratory tract. Upper respiratory tract infections include the common cold, laryngitis, pharyngitis, tonsillitis, sinusitis and otitis media. Lower respiratory tract infections include bronchitis, bronchiolitis, tracheitis and pneumonia. These infections can be caused by a ...Read more
URTI = common cold: If fever, headache and malaise, anti-inflammatory drugs like Ibuprofen can be helpful. Rest. Stay hydrated to thin nasal secretions. Warm saline gargles and saline nasal spray or irrigations are also helpful for sore throat and cough, post nasal drip respectively. ...Read moreSee 1 more doctor answer
URTI: Upper respiratory infection (urti) usually refer to symptoms of runny or congested nose +/- fever, malaise and aches and pain usually due to a virus such the influenza virus. However, urti may become complicated by sinus infection or middle ear infection, which will produce their own symptoms. Younger children often get middle ear infection in association with urti. ...Read more
Depends on the site: Of infection and organism. Upper airway infections include streptococcal sore throat, diphtheria, peritonsilar abscess, acute and chronic sinusitis, laryngitis with hoarseness etc. Most of these infections are associated with fever, pain at the site of infection, and may have sequelae like rheumatic fever, glomerulonephritis, scarlet fever, neuropathy etc. ...Read more
Why is viral upper respiratory tract infections usually benign and that of lower respiratory severe? Explanations please?
Different causes: The upper respiratory tract (nose, throat, upper airways) are usually infected by viruses. While annoying, these viruses can be cleared by our immune systems without much problem. The lower respiratory tract (bronchioles and air sacs of the lung) are more susceptible to more serious bacterial infections. These often require antibiotics to clear the infection. ...Read more
Chronic changes: One can see chronicity of infection or non-infectious complications to almost any area in the upper respiratory tract. The problem is that many, if not most, of these infections are not treatable by elimination of the pathogen because they are viral and can only be managed symptomatically. ...Read more
Yes: Rhinitis, nasopharyngitis or the common cold, pharyngitis, rhinosinusitis or sinusitis, and laryngitis can be caused by viral infections. Most common viruses: rhinovirus, respiratory syncytial virus, parainfluenza virus, influenza virus, coronavirus, and coxsackievirus. ...Read moreSee 1 more doctor answer
Yes: This is a problem that requires a face-to-face meeting with your doctor. In that meeting, your doctor will listen to you, perform a throrough examination and possibly order labs or other tests. Based on this information, he/she will be able to tell you what's wrong and what to do about it. ...Read more
Cough and runnig: Stuffiness runny nose, low grade fever, post-nasal drip, and cough;the cough is usually dry , with post-nasal drip, the cough may bring up some of the nasal secretions that have dripped into the back of the throat; and sinusitis symptoms such as fullness in the face, increased nasal drainage, and occasionally pain and fever. ...Read more
Lots of things: Technically, viruses, bacteria and fungus are infections. There are lots of other things that can cause a persistent cough. Some will go way on their own like colds, viral infections etc. Others will not go away such as chronic sinusitis, allergies etc. If you are still coughing, call your family doctor. ...Read more
The term....: "upper respiratory infection" usually refers to the common cold, but generally means any infection that effects the upper part of the respiratory (breathing) system, namely the nose and throat. The lower respiratory tract is made up of the large airways and the lungs. A lower respiratory infection usually means bronchitis or pneumonia, tends to be more severe and to affect breathing much more. ...Read more
Infections are invasions of some other organism (fungus, bacteria, parasite) or viruses into places where they do not belong. For instance, we have normal gut bacteria that live within us without causing problems; however, when those penetrate the bowel wall and enter the bloodstream, ...Read more
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