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By using the antibiotics when you are really sick, not when you have a cold or something minor.
No, resistance to antibiotics is not permanent. However, once you have a resistance, that antibiotic will no longer work for specific infections.
Because the organisms that the antibiotics kill (to make you better) evolve resistance to the antibiotics when they are exposed to them. This means that the more the exposure (prescribing) the faster resistance develops. Antibiotics should therefore ONLY be used when really needed and taken EXACTLY as they are meant to. Stopping a dose of antibiotics before a full course of treatment is worse than over prescribing.
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.
They have resistance to the antibiotic.
They develop resistance to antibiotics .
"Bacterial cross-resistance happens when the two antibiotics that are being taken have very similar actions"
R-plasmid
resistance
M. C. Bryant has written: 'Antibiotics and their laboratory control' -- subject- s -: Antibiotics, Drug resistance, Microbial, Testing, Microorganisms, Effect of antibiotics on, Microbial Drug Resistance
It is when a certain bacteria resists a drug such as antibiotics
when two different antibiotics are taken simultaneously againt multi bacterial infections cross resistance in the bacteria results