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Doctor insights on: Causes Of Upper Respiratory Infection

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What are the most common causes of upper respiratory infections?

What are the most common causes of upper respiratory infections?

"Colds": Viruses (e.g. Rhinovirus, respiratory syscitial virus, adenovirus, para-influenza and influenza viruses, etc., ) are the most common. These account for the vast majority of uppoer respiratory illnesses. ...Read more

Dr. Martin Raff
238 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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How will smoking cause upper respiratory infection?

How will smoking cause upper respiratory infection?

Aggravating factor: Smoking triggers a chronic outpouring of respiratory mucous that tries to trap & remove the irritating particles that enter the lung. This increases the food available for inhaled bacteria that can cause bronchitis & pneumonia. The injury to the tissue lining the airways allows viruses easier access to attach & breed. Germs cause, but smoking facilitates these diseases. ...Read more

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I wanted to know can mold that's in the bathroom that's on the walls can cause Upper Respiratory Infection?

I wanted to know can mold that's in the bathroom that's on the walls can cause Upper Respiratory Infection?

Upper & Lower: Some people are sensitive to molds. For these people, exposure to molds can cause symptoms such as nasal stuffiness, eye irritation, wheezing, or skin irritation. Some people, such as those with serious allergies to molds, may have more severe reactions. Severe reactions may occur among workers exposed to large amounts of molds in occupational settings. ...Read more

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Can an upper respiratory infection cause dizziness?

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

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Had a bad cold for a month and noticed new A1C test went up for no reason. can prolonged upper respiratory infection cause blood glucose increase?

Had a bad cold for a month and noticed  new A1C test went up for no reason. can prolonged upper respiratory infection cause blood glucose increase?

Recheck: It may cause a change in blood glucose levels which can be then reflected in test results. I would recommend a recheck two weeks after you recover. A virtual appt in available online for follow up healthtap.com/DosanjhMD Code: NCYHPZ ...Read more

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Could this be menegitis? I was diagnosed with an ear infection and an upper respiratory infection yesterday at the emergency room. Now my neck is feeling stiff, what could be the cause of this?

Could this be menegitis? I was diagnosed with an ear infection and an upper respiratory infection yesterday at the emergency room. Now my neck is feeling stiff, what could be the cause of this?

It : It looks like you have a simple viral illness. However, your neck stiffness needs to be evaluated by a healthcare provider. Indeed, the presence of headache, high fevers, and vomiting would imply something ominous. In that case, your best bet is a trip to the emergency department. ...Read more

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Dr. Oscar Novick
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


Dr. Norma Jo Waxman
517 doctors shared insights

Upper Respiratory Infection (Definition)

An upper respiratory infection refers to an infection that involves the lining of the breathing passages above the lungs. It usually refers to infections that involve multiple areas simultaneously such as the nose, sinus, ears, throat, ...Read more