PENETREX

What it isFluoroquinolone; bacterial infection.
Why this oneLittle used, but pharmacologically notable as one of the strongest CYP1A2 inhibitors.
What limits itSeizure risk and the full quinolone liability. Largely withdrawn from use.
Animated chart of estimated U.S. prescriptions per year, Quinolone antibacterials (1964–2026). Enoxacin enters in 1992 (estimated).
NO BOXED WARNINGS
Principal riskSeizure risk and the full quinolone liability
Defining liabilityTendon/CNS toxicity and potent CYP1A2 interactions
Open Enoxacin in the interactive console ↗