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How do antibiotics kill bacteria but not viruses?

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Eulalia Mraz

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Q: How do antibiotics kill bacteria but not viruses?
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Why cant you use antibiotics to kill virus but bacteria can be killed by antibiotics?

Because bacteria and viruses are two completely different things. Antibiotics - as their name implies - will kill bacteria, but antibiotics simply have no effect on viruses.


Why do antibodies work to kill bacteria but not viruses?

bacteria is complit cell or contain cellular material hence specific antibody riquar as compair to virus is difrance


Why antibiotics wont help a viral sore throat or a common cold?

Antibiotics kill bacteria. They do not kill viruses.


Does antibiotics cure bacteria?

Bacteria are treated with antibiotics and viruses are treated with antiviral medications.


Why don't doctors prescribe antibiotics if you have the flu?

antibiotics can be powerful.


How do human diseases caused by bacteria and disease caused by viruses react to antibiotics?

Viruses ALL ignore antibiotics, Bacterial infections vary in their response depending on the sensitivity of the bacteria to the specific antibiotic.


Why are antibiotics unhelpful for fighting a common cold?

B. Colds are caused by viruses, and antibiotics only kill bacteria


Why can antibiotics treat flu-like symptoms caused by bacteria but are ineffective against flu?

Because the way antibiotics treat those symptoms is by killing the bacteria that cause them. If the symptoms are caused by viruses, then antibiotics can't help since they are not made to be able to "kill" viruses, just bacteria. Flu viruses are not really living organisms like bacteria are. So viruses must be inactivated rather than killed. Antibiotics can neither kill nor inactivate viruses. They are created to be used to kill only specific bacteria, they do not kill every kind of bacteria, either. That is why there are so many different kinds of antibiotics. Antibiotics can treat flu-like symptoms caused by some bacteria, because the right antibiotics can kill bacteria. So although flu like symptoms are similar to those of the flu, they are caused by different microbes so are not cured in the same way.


Which type of microbe can be killed by an antibiotic?

Antibiotics can only kill bacteria. Not fungi or viruses.


What are antibiotics and what are they used for?

Antibiotics are medicines that cure infections. They have no effect on viruses.


Do antibiotics work against bacteria?

antibiotics are useful against bacteria because they help to kill off the nasty bacteria or they can also stop the bacteria from reproducing - so the illness doesn't get worse. this then gives your body time to make antibodies which will eventually distroy the bacteria. after this, you won't get the disease again because you are immune to it.


What is the difference between and antiviral drug and an antibiotic drug?

No. Antivirals work to limit the reproduction of viruses, and antibiotics work to kill bacteria. Antivirals do not kill bacteria, and antibiotics do not kill viruses.