🦠microbiology review

Chloramphenicol

Written by the Fiveable Content Team • Last updated September 2025
Written by the Fiveable Content Team • Last updated September 2025

Definition

Chloramphenicol is a broad-spectrum antibiotic effective against a variety of bacteria. It works by inhibiting bacterial protein synthesis.

5 Must Know Facts For Your Next Test

  1. Chloramphenicol binds to the 50S subunit of the bacterial ribosome, preventing peptide bond formation.
  2. It is used to treat serious infections like meningitis and typhoid fever, especially when other antibiotics are ineffective.
  3. Due to its potential for severe side effects, such as aplastic anemia, its use is often restricted.
  4. Chloramphenicol can cross the blood-brain barrier, making it effective in treating central nervous system infections.
  5. Its use in the United States is limited primarily to eye drops or ointments due to safety concerns.

Review Questions

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