This protocol covers pertussis (whooping cough) in adults aged 18 years or older who are confirmed as neither pregnant nor breastfeeding. Pregnancy and breastfeeding status directly influence antibiotic choice, so this scenario addresses the standard adult population with both exclusions in place.
Antibiotic therapy is indicated. A macrolide antibiotic is the preferred first-choice agent for this adult group; an alternative from a different antibiotic class is available when macrolides are contraindicated or not tolerated. The complete regimen — agent selection, alternatives, and full course details — is contained in the structured protocol.