Plague Medication
- Author: Vinod K Dhawan, MD, FACP, FRCP(C), FIDSA; Chief Editor: Russell W Steele, MD more...
Antibiotic agents
Class Summary
Patients suspected to have plague should be promptly treated. Streptomycin or gentamicin are preferred. Doxycycline is an effective alternative. New multidrug-resistant strains of Y pestis have been reported in Madagascar.
Streptomycin
Aminoglycoside antibiotic is considered the drug of choice. Disadvantages include an intramuscular route of administration, resistant strains, and high toxicity.
Gentamicin (Garamycin)
Aminoglycoside used as an alternative to streptomycin and is equally effective.
Tetracycline (Sumycin)
Frequently used for prophylaxis as well as treatment. Is usually substituted for streptomycin after a few days of therapy to minimize toxicity. Inhibits bacterial protein synthesis by binding with 30S and, possibly, 50S ribosomal subunits.
Doxycycline (Doxy, Vibramycin)
Used as an alternative for tetracycline. Inhibits protein synthesis and thus bacterial growth by binding to 30S and, possibly, 50S ribosomal subunits.
Chloramphenicol (Chloromycetin)
DOC for plague meningitis. The PO form is not available in the United States, but the IV formulation can be obtained. Binds to 50S bacterial-ribosomal subunits and inhibits bacterial growth by inhibiting protein synthesis.
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