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Doctor insights on: Is Bacterial Infection Contagious

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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. Creighton Wright
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


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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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Are all bacterial infections contagious?

Are all 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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Is bacterial infection from tattoo contagious?

Bacterial infection: It is not likely that bacterial infection affecting a tattoo is contagious in the sense that it will be passed on to persons in the vicinity. If it is due to staph aureus it can colonize people in direct contact, and they can subsequently become infected if they have breaks in the skin, but this is a far stretch from being "contagious". ...Read more

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Are bacterial skin infections contagious a friend has a rash and says its a bacterial skin infection how would you contract a bacterial skin infection

Are bacterial skin infections contagious a friend has a rash and says its a bacterial skin infection how would you contract a bacterial skin infection

Hello. : Hello. There are a number of bacterial skin infections that can be transmitted by skin to skin contact. Some can be transmitted by touching contaminated clothing. ...Read more

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Are bacterial infections harmful and are they contagious?

Are bacterial infections harmful and are they contagious?

Yes/yes: We often have bacteria in/on our bodies in harmony.The process is labeled colonization and can be useful. You clot your blood with the help of gut bacteria's effect on vitamins. We usually reserve the term infection to note a harmful process. Bacteria are acquired from the environment, whether that be from persons,animals or objects where they live.The degree of contagiousness varies. ...Read more

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Could a bacterial infection in my sinuses be contagious?

Could a bacterial infection in my sinuses be contagious?

Not really: It's hard to pass a bacterial sinus infection as it is not airborne like a viral infection. However that being said, i would not share saliva or touch people after touching nose. ...Read more

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What can I do to prevent bacterial infections?

What can I do to prevent bacterial infections?

Good hygiene: The best way to prevent bacterial infections, or viral infections, is good hygiene. Wash your hand properly and often. Next come nutrition; your immune system works much better if you give it the proper tools to work with. Next comes sleep; not sleeping properly or enough has been shown to weaken the immune system and increase susceptibility to infections. ...Read more

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Can I get a bacterial infection by kissing someone?

Can I get a bacterial infection by kissing someone?

Sometimes yes: Depending on where one kisses upon another person's body, he will bring some bacteria into his mouth, which means onto his throat and down into his tummy. If his mouth gets strep throat bacteria from kissing, then he can develop a strep throat infection. If his mouth gets h.Pylori bacteria from kissing, then he can get an h.Pylori stomach ulcer. Many other bacteria can also be gotten from kissing. ...Read more

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Can i catch a bacterial infection from an endoscopy?

Can i catch a bacterial infection from an endoscopy?

Doubtful: These are always sterilized before using. Unless there was penetration of the tube being endoscoped (colon, stomach, small bowel, other) it would be remarkably unusual to acquire infection from these devices. ...Read more

Dr. Heidi Fowler
2,013 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


Bacteria (Definition)

Are omnipresent single celled organisms which are the both the simplest form of life and the original form of life on earth. The are ...Read more