Why is early antibiotic therapy important in suspected inhalational anthrax exposure?

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Starting antibiotics early matters because inhalational anthrax involves rapid bacterial growth and toxin production. When antibiotics are begun soon after exposure, they quickly kill the vegetative Bacillus anthracis and limit the release of toxins, which helps prevent the infection from spreading in the lungs and into the bloodstream. This interruption reduces tissue damage, prevents rapid progression to sepsis and shock, and improves the chance of survival. If treatment is delayed, toxins and damage can accumulate, making the disease harder to reverse even with antibiotics. So early therapy can curb progression and lead to better outcomes.