Ethambutol

Chemical Structure / Formula of Ethambutol

  • Formula: C₁₀H₂₄N₂O₂
  • Structure: A polyhydroxy ethylenediamine

Ethambutol

Mechanism of Action

  • Inhibits arabinosyl transferase, preventing arabinogalactan polymerization, an essential component of the mycobacterial cell wall.

Uses of Ethambutol

  • First-line TB treatment (in combination therapy).

Side Effects

  • Optic neuritis (dose-dependent, reversible) – red-green color blindness.
  • Hyperuricemia (gout-like symptoms).

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