Question

A 62-year-old with CAP asks about procalcitonin to decide starting antibiotics. Guideline advice?

Accepted Answer

Do not use procalcitonin to decide initial antibiotic initiation in suspected CAP

Answer

Use procalcitonin to decide when to start antibiotics in all CAP

Answer

Start antibiotics only if procalcitonin >0.5 ng/mL

Answer

Use procalcitonin as sole criterion for discontinuation

Answer

Procalcitonin replaces cultures

Practice question

A 62-year-old with CAP asks about procalcitonin to decide starting antibiotics. Guideline advice?