Are Antibiotics an Effective Treatment Option for Gram-Positive Cocci?

Antibiotics are generally effective in treating gram-positive cocci bacteria, according to Merck Manuals. However, some strains have developed a resistance to antibiotics. For example, methicillin-resistant Staphylococcus aureus, or MRSA, is resistant to many antimicrobials, including penicillin and amoxicillin, explains Drugs.com. Alternative antibiotics used to treat MRSA include linezolid, clindamycin and vancomycin.

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