FAQ - Respiratory Tract Infections
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Some people with a deficit of IgA exhibit recurrent respiratory tract infections. Explain this observation.?


I know that IgA is also called secretory IgA, it is found in mucus and other secretions, and it plays major role in preventing pathogens from getting into the body. But I still cannot understand how is it related to recurrent respiratory infections.... HELP please!
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Streptococcus pneumoniae and Haemophilus influenzae are important bacteria in recurrent respiratory infections. The immunological response against them is based on the synthesis of specific immunoglobulins, the generation of complement factors, and phagocytosis.

The role and relative frequency of the above-mentioned in increased susceptibility to respiratory infections is poorly understood. Neither is it known whether the combined presence of several (partial) immune defects contributes to increased susceptibility to infection.   (+ info)

why do i get chronic upper respiratory tract infections?


for th second winter I have developed a chronic upper resp tract infection
,while spending the winter in sunny spain.
Prior to this I worked as a nurse and rarely got colds of any sort.
I take daily Omega 3, garlic,and eat a good diet of fresh fruit and veg. where am I going wrong.
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do you work with chemicals, do you live in a built up city/pollution or do you smoke/ or do you socialise in smoky atmospheres/all points to consider.  (+ info)

I feel I am most susceptible to respiratory tract infections.Pl tell me how to increase my immunity.?


Stop smoking if you smoke. Find out if you have asthma and/or allergies & take the proper medication if you do. Dust & vacuum frequently; both contribute to respiratory problems.  (+ info)

Can you die from Infections of the respiratory tract, sinuses, kidney, ear, or skin?


Yes, if the infection is severe enough and goes untreated, it can be fatal. Everyones immune system is different, some have a higher tolerance than others. If you have an infection, see a Dr., its not worth the risk. Good luck!!!  (+ info)

what is the nature of respiratory tract infections?


I'm not sure what you mean by "nature" of RTI but I'll do my best. RTI is a term used for any infection that affects the respiratory tract - being the nose, throat, bronchi and lungs. Upper RTI is what you would call a "head cold", bunged nose, sinuses, sore throat, etc. Sometimes the eucasian tube gets blocked. That is a drain tube which joins your inner ear to the top of your nose. It allows air pressure to equalise in your inner ear and if it blocks you can feel as though you've gone deaf in one or both ears. Lower RTI is more of a chesty cough, when you get phlegm, coughing and wheezing. It is an infection affecting the lower part of the respiratory system, mainly the larynx (lower throat), bronchus and lungs.

RTI will usually be a short lived infection, but can be acute (severe and sudden) or chronic (long term). Regular RTI's are classified as COPD/COAD (chronic obstructive pulmonary/airway disease). This is common in smokers and those with long term exposure to poor atmosphere.

RTI can be caused by viral infection, bacterial infection or as a result of weaknesses in the body (poor lungs) and by smoking and exposure to poor atmosphere (i.e. dusty)

It's a bit of a potted history. hope it answers your Q  (+ info)

What does nonmotile sperm with cytoskeleton defect have to do with respiratory disease/infections?


Patient has a hereditary form of a male sterility involving nonmotile sperm. His condition is traced to defects in the cytoskeleton components of the sperm's flagella. Based on these findings, the physician suspects that Kevin also has a long history of recurrent respiratory tract disease. Kevin confirms that he has had colds, bronchitis, and influenza more frequently than his friends. Why would the physician suspect that Kevin probably had a history of frequent respiratory disease based on his diagnosis of sterility due to nonmotile sperm?
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I suspect that you are "testing" the yahoo answers audience rather than asking a real question. In any case, I would guess that Kevin suffers from Kartegener's syndrome, or primary ciliary dyskinesia.

Although there are familial forms, patients with Kartegener's syndrome can have a variety of mutations that affect the functioning of their cilia.

Cilia are microscopic whip-like structures that are found in various parts of the body. They have a variety of functions including facilititating cellular movement, emrbryonic developement, clearing secretions, etc.

A genetic defect that impairs the function of these cilia will clinically manifest itself whereever these cilia are found.

The whip-like tail of the spem is actually the cilia of the sperm. Our respiratory passages are lined with cilia to constantly move secretion up the respiratory pathway so that we may cough these secretions out.

Cystic fibrosis is also a good answer, is more commonly encountered, and thus would probably be more likely in this patient; however, the question specifically states the patient has a "hereditary form of a male sterility," which suggests that the chief complaint in this case is sterility rather than chronic cough and sinusitis.  (+ info)

Are lower respiratory tract infections curable?


Yes, thats basically bronchitis. Antibiotics and some good cough syrup with an expectorant should do the trick.  (+ info)

Does an upper respiratory tract infection in a 1 year old require antibiotics?


My son was diagnosed with this last night, and the Dr. gave him a prescription for antibiotics. He's had 2 ear infections lately and I hate to give him more antibiotics if it's unnecessary. I looked it up online and webmd was unclear and wikipedia said antibiotics shouldn't be given for this problem, but it wasn't specific on age or anything.
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Some people with a deficit of IA exhibit recurrent paranasal sinus and respiratory tract infections. Explain?


it is not "IA"
it is IgA
it is not "IA"
it is IgA
it is not "IA"
it is IgA
it is not "IA"
it is IgA
it is not "IA"
it is IgA
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Immunoglobulin A (IgA) is an antibody playing a critical role in mucosal immunity. More IgA is produced in mucosal linings than all other types of antibody combined. In its secretory form, it is the main immunoglobulin found in mucous secretions, including tears, saliva, colostrum, intestinal juice, vaginal fluid and secretions from the prostate and respiratory epithelium. Because it is resistant to degradation by enzymes, secretory IgA can survive in harsh environments such as the digestive and respiratory tracts, to provide protection against microbes that multiply in body secretions.
Because the respiratory tract and sinus cavities are mucosal entities, the infections manifest here.  (+ info)

How to treat respiratory tract infection?


I keep coughing this yellowish stuff out of my throat. It smells like bad breath on steroids. What can I take for it?
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The best way to treat a respiratory tract infection is to see a doctor and get antibiotics as if left untreated there is the risk of it getting worse, going to the chest, causing pneumonia and which could lead to death.  (+ info)

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