Activity of Tetracycline, Doxycycline, and Minocycline Against Methicillin-Susceptible and -Resistant Staphylococci
J. N. Minuth, T. M. Holmes, Daniel M. Musher
Abstract
J. N. Minuth, T. M. Holmes, Daniel M. Musher
Abstract
Tetracycline, doxycycline, and minocycline were evaluated for their antibacterial activity against methicillin-susceptible and -resistant isolates of Staphylococcus. At clinically achievable levels both doxycycline and minocycline were more active than tetracycline against methicillin-susceptible organisms. Tetracycline and doxycycline had no activity against methicillin-resistant staphylococci, whereas minocycline at 2 mug/ml inhibited six of 13 strains and, at 3 mug/ml, 10 of 13 strains.
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Tetracycline, doxycycline, and minocycline were evaluated for their antibacterial activity against methicillin-susceptible and -resistant isolates of Staphylococcus. At clinically achievable levels both doxycycline and minocycline were more active than tetracycline against methicillin-susceptible organisms. Tetracycline and doxycycline had no activity against methicillin-resistant staphylococci, whereas minocycline at 2 mug/ml inhibited six of 13 strains and, at 3 mug/ml, 10 of 13 strains.
Key concepts: Minocycline, Doxycycline, Tetracycline, Microbiology, Antibacterial agent, Staphylococcus aureus, Antibiotics, Methicillin-resistant Staphylococcus aureus