Washington: Antibiotics don`t help fight most sinus infections, although doctors routinely prescribe them for that purpose, according to a US study.Researchers whose work was published in the Journal of the American Medical Association found that antibiotics didn`t ease patients` symptoms or get them back to work any sooner than an inactive placebo pill.Antibiotics are known to fuel the evolution of drug-resistant bacteria and experts have grown increasingly worried about overuse.This is a particular concern with sinus infections, because doctors can`t tell if the disease is caused by bacteria or by a virus, in which case antibiotics are useless.
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