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Doctor insights on: Can Viruses Cause Upper Respiratory Tract Infections

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Dr. Martin Raff
236 doctors shared insights

Respiratory Tract Infections (Definition)

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


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Can viruses cause lower respiratory tract infections?

Can viruses cause lower respiratory tract infections?

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 more

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What is more serious of a disease, lower respiratory tract infections or upper respiratory tract infections?

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 more

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Why is viral upper respiratory tract infections usually benign and that of lower respiratory severe? Explanations please?

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

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Whose more susceptible to getting upper respiratory tract infections?

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 more

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What is the definition or description of: respiratory tract infections?

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 more

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Whose more susceptible to getting lower respiratory tract infections?

Chronic lung disease: Anyone with chronic lung disease, such as asthma, smokers, those with immune problems, and elderly people, are more at risk. ...Read more

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30 years old female, constant respiratory tract infections, heart rate rises and breathless very easily. Help?

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

Dr. Ihab Ibrahim
9 doctors shared insights

Infection (Definition)

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


Virus (Definition)

A virus is a small infectious agent that can replicate only inside the living cells of an organism. Viruses can infect all types of organisms, from animals and plants ...Read more