Answer :
Antimicrobial resistance mechanisms fall into four main categories: (1) limiting uptake of a drug; (2) modifying a drug target; (3) inactivating a drug; (4) active drug efflux
Antibacterial medications are degraded by enzymes, bacterial proteins that are targets for antibiotics are changed, and membrane permeability to antibiotics is altered. These three processes constitute the three basic mechanisms of antimicrobial resistance. methicillin-resistant A. Staphylococcus (MRSA) vancomycin-resistant Enterococcus (VRE) (VRE) Drug-resistant infections are mostly brought on by the improper use and abuse of antibiotics. The proliferation of bacteria, some of which may be resistant to antibiotic therapy, is encouraged by a lack of clean water, proper sanitation, and effective infection prevention and control. Penicillins, fluoroquinolones, cephalosporins, macrolides, beta-lactams with increased activity (like amoxicillin-clavulanate), tetracyclines, trimethoprim-sulfamethoxazole, lincosamides (like clindamycin), urinary anti-infectives, and other antibiotics are all classified as one of these classes in this portal.
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