Treatment of Pulmonary Anthrax in Pregnant or Lactating Adults

This protocol addresses systemic anthrax (inhalation/pulmonary), with or without meningitis, in adults aged 18 years or older who are pregnant or lactating. Treatment selection in this population follows a structured empiric approach, with specific modifications that distinguish it from the regimen used in non-pregnant adults.

Clinical scenario

Adults aged ≥18 years who are pregnant or lactating, presenting with systemic anthrax (inhalation/pulmonary), with or without concurrent meningitis. Recommendations for this group are similar to those for non-pregnant adults, with important drug-class exclusions that apply specifically because of pregnancy and lactation.

Treatment approach (partial overview)

Preferred empiric management involves combination therapy: two bactericidal antimicrobials from different drug classes, combined with a protein synthesis inhibitor (PSI) or RNA inhibitor (RNAI), plus a single antitoxin as adjunctive therapy. Certain antimicrobial classes routinely used in non-pregnant adults are excluded in pregnant and lactating patients.

Full regimen — including drug selection, sequencing, transition criteria, and alternative options — is available in the structured protocol below.

Instant Access to Structured Evidence-Based Regimens

References

For pregnant or lactating persons aged ≥18 years, empiric treatment regimens for those with systemic anthrax with or without meningitis (Table 11) are summarized as follows:
Recommendations for pregnant and lactating persons aged ≥18 years are similar to those for nonpregnant adults except that neither tetracycline nor minocycline are included.
Antimicrobial drugs: Choose two bactericidal drugs from different antimicrobial drug classes plus a PSI or an RNAI.
Antitoxin: Choose a single antitoxin as adjunctive therapy.
Duration of antimicrobial drug treatment should be for 2 weeks or longer; however, duration can be shortened and IV administration transitioned to oral medication based on patient improvement and clinical judgment.

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