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They have different mechanisms but some of them are almost similar. The main difference among antibiotics is that everyone is developed to fight different types of bacteria, aiming different organs as well.
Bacteria, like all organisms, have phenotypic variations. Some bacteria are resistant to antibacterial drugs and survive the onslaught of these drugs. They then go on to have progeny ( by fission ) that they confer this resistance on so that you have a new population of resistant bacteria.
Bacteria
You can get it from that, yes. Antibiotics kill all the bacteria incl the good ones.
Antibiotics are generally non-discriminatory. They kill all bacteria-harmful and helpful.
Antibiotics kill the bad bacteria which make us sick, but they also kill the good bacteria that our bodies need. The good bacteria actually help keep the "bugs" at bay, so when we take antibiotics and they kill all the bacteria (good and bad) we are then more susceptible to other problems, such as thrush. This can usually be avoided by taking pro biotics (cultured yogurt) or acidophylus tablets which replace the good bacteria in our bodies. You can take them while taking antibiotics, but can also take them full time, even when not taking antibiotics.
None. All antibiotics fight bacteria and bacteria only.
Some antibiotics, such as penicillin, affect only certain types of bacteria but not other types.
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.
Viruses ALL ignore antibiotics, Bacterial infections vary in their response depending on the sensitivity of the bacteria to the specific antibiotic.
Viruses ALL ignore antibiotics, Bacterial infections vary in their response depending on the sensitivity of the bacteria to the specific antibiotic.
Antibiotics kill all bacteria, even the "good" ones that help you digest your food. Once your microbial flora are killed off, you get the side effects of the antibiotics, such as fungal infections and diarrhea. Also, remember that continuous use of antibiotics will breed bacteria that are resistant, so you shouldn't just keep taking antibiotics forever.