Doctor insights on:
Can Viruses Cause Upper Respiratory Tract Infections
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
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
Yes: Certain viruses are the common causes of lower respiratory tract infection: respiratory syncytial virus, influenza, parainfluenza, adenovirus, and human metapneumovirus, also with some attention to rhinoviruses and some new viruses (human coronaviruses and bocavirus). ...Read moreSee 1 more doctor answer
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
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
Contact route, Body: It depends on two major categories: 1. How you get it: direct contact, respiratory contacts and how close you are to source i.E school, family member. 2. How strong you are: age is a major factor, neonates, infants and elderly are at the highest risk, also immunosuppressed patients can be the most susceptible ones. Why more in cold weather? People more indoor, schools are open, low humidity. ...Read moreSee 1 more doctor answer
See below: 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 virus, bacteria or fungus. ...Read moreSee 1 more doctor answer
30 years old female, constant respiratory tract infections, heart rate rises and breathless very easily. Help?
Chronic lung disease: Frequent lung infections can cause chronic inflammation and scarring in the lung tissue. This would decrease how effectively the lung can extract oxygen from air you breath and eliminate cardondioxide (co2). In that case your heart needs to work harder and faster especially when u perform physical activity. ...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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