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Doctor insights on: Bacterial Infections Tuberculosis

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Are bacterial infections contagious?

Are bacterial infections contagious?

Not the "infections": All bacteria are contagious, meaning that one person can smear some of his bacteria onto another's skin or other body part. The bacteria can then die, multiply on the surface (colonize the surface), or damage the person's cells and body parts (start an infection). No infection occurs in many cases, meaning the "infection" did not spread to the person even though the "bacteria" did spread to him. ...Read more

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Dr. Scott Lindquist
613 doctors shared insights

Mycobacterium Tuberculosis Infection (Definition)

Mycobacterium tuberculosis is an infectious organism that spreads by droplets coughed out by an infected person. Infection is established initially in lungs, but can spread within lungs & to other body parts, or can become latent, with reactivation occurring years to decades later. With effective treatment, it can be completely eliminated although drug resistant ...Read more


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Are bacterial infections contagious?

Are bacterial infections contagious?

Sometimes: Some bacterial infections are, like strep throat, or pink eye, but many develop that are not really contagious, like sinusitis, cellulitis, or diverticulitis. If you have a concern, you should discuss the specifics with your doctor. It is also always a good idea to always wash your hands or use hand sanitizer, whenever you are out, like shopping, airports, grocery stores etc to minimize risks. ...Read more

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Virus or bacterial infection?

Virus or bacterial infection?

Yes?: What is the question? Both viruses and bacteria and other types of organisms can produce infection. If you have a specific issue, write back. ...Read more

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Can fungus infections cause lung infections?

Can fungus infections cause lung infections?

Yes: Its not very common, but fungus can cause lung infections, its more common in people whose immune system is down "due to aids for example".. ...Read more

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Can antibiotics cause secondary bacterial infections?

Can antibiotics cause secondary bacterial infections?

Complex answer: Antibiotics have a range of bacteria that they can kill; others outside that range are not so affected; some can become resistant to the antibiotic. If inappropriate ab is used, or taken wrong, e.g. Not as long as rx'd, can lead to more infection, with resistant germ. Bigger problem is overgrowth of a bacteria in gut (c. Difficile) during or after ab use-causes toxin and diarrhea; can be serious. ...Read more

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Can TB lymphadenitis cause vaginal yeast infections?

Can TB  lymphadenitis cause vaginal yeast infections?

TB and yeast infect: TB itself does not cause vaginal yeast infection; however, if you are on certain medications, especially antibiotics which can alter your bacterial flora, you are much more likely to develop vaginal yeast over growth and infection. ...Read more

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Is bacterial pneumonia contagous?

Is bacterial pneumonia contagous?

Not generally: It will obviously depend upon the organism causing the pneumonia and the extent of exposure and your immune status. The short answer is that if this is streptococcus pneumoniae, the most common bacterial pneumonia, as a general rule something in your system predisposes you to this and it is likely to already be resident in the back of the throat. ...Read more

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What causes bacterial infections?

What causes bacterial infections?

Any contaminated: Bacteria is present everywhere and some are harmful. Some are transmitted from other people and others from having been in contact with a contaminated object, soil. Or water. The most worrisome type is MRSA often acquired from a hospital stay. ...Read more

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What causes viral meningitis infection?

What causes viral meningitis infection?

Dozens of things: Influenza, parainfluenza, adenovirus, enterovirus, poliovirus, western equine encephalitis, eastern equin encehaplitis virus, st. Louis encephalitis virus, west nile virus, measles virus and varicella zoster virus just to name a few. ...Read more

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Can bacterial infection cause encephalitis?

Can bacterial infection cause encephalitis?

Yes but likely viral: Encephalitis, inflammation of the brain, can be caused by viruses, bacteria, fungi, parasites, unknown causes, etc... Patients with identifiable causes usually have viral infections. Herpes types 1 & 2, epstein barr virus, varicella (chicken pox, shingles) virus, polio virus, coxsackie (hand-foot-mouth) virus, or mosquito-borne viruses can cause encephalitis. ...Read more

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Can bacterial infections cause cancer?

Can bacterial infections cause cancer?

Not directly: Several pathogenic bacteria known to establish persistent infections, can promote or initiate abnormal cell growth by evading the immune system and creating an environment that can result in cancer (chronic inflammation and production of carcinogenic bacterial metabolites). Helicobacter pylori is a species of bacteria that causes ulcers. If left untreated, this can lead to stomach cancer. ...Read more

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Could leukocytosis cause viral and bacterial infections?

The other way around: Leukocytosis is an abnormally high number of white blood cells in the blood, as measured on a blood test. Both viral and bacterial infections can sometimes cause high numbers of white blood cells (wbc's) or low numbers of wbc's (leukopenia). Unusual leukocytosis, not caused by an infection, can be due to a bone marrow problem such as an early stage of leukemia. A doctor can further evaluate. ...Read more

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Is bacterial trachaitis contagious?

Is bacterial trachaitis contagious?

Probably not: But would need more information. This is an uncommon condition. Presdisposing factors, organism, clinical course, etc. Would all be significant. ...Read more

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Can pylonephritis cause staph aureus infection?

Can pylonephritis cause staph aureus infection?

Hmm: If the pyelonephritis is due to bacteria Staph Aureus it can be the cause of the pyelonephritis . But having pyelonephritis does not mean you have or will cause staph aureus infection. ...Read more

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Is bacterial pneumonia deadly?

Is bacterial pneumonia deadly?

It can be: Bacterial pneumonia can be deadly, particularly in the elderly and in people with poor immune systems (on chemotherapy, with hiv, or even uncontrolled diabetes, amongst others). There is a vaccine available to treat one of the most deadly types of bacterial pneumonia, strep pneumonia. Typically, it is given to those at highest risk of developing or having a bad outcome from bacterial pneumonia. ...Read more

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Are yeast infections contagious?

Are yeast infections contagious?

Yes: Yeast infections are not considered a sexually transmitted disease. But partners do the potential to infect each other. ...Read more

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What's pneumococcal infection disease?

What's pneumococcal infection disease?

Mostly respiratory: Streptococcus pneumonae, the pneumococcus, is the classical cause of bacterial pneumonia in adults and the most common cause of bacterial meningitis in the adult. ...Read more

Dr. James Dukelow
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. Heidi Fowler
2,037 doctors shared insights

Bacterial Infections (Definition)

Bacteria are tiny organisms that can only be seen with a microscope. When certain bacteria enter the body, they can cause infections that must ...Read more