Ethambutol

Category: pharmacological

Aliases: Myambutol

Pharmacological Mechanism

Anti-TB agent — inhibits arabinosyl transferase blocking mycobacterial cell wall arabinan biosynthesis. Bacteriostatic component of standard 4-drug TB regimen. Dose-dependent optic neuritis (red-green color blindness) requires baseline + monthly visual checks.

Half-Life (t½)

PO: 3h

Dosing Guidelines

• PO: Typical 1200mg (Range: 800 - 1600 mg)

Target Organ Systems

• nervous
• immune-hematologic