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10% of patients with a penicillin allergy have a cross reaction to cephalosporins
I.v vancomycin is the first line antibiotic of choice for MRSA
Benzylpenicillin (Penicillin V) is effective against streptococcal and staphylococcal organisms
Trimethoprim is a bacteriostatic antibiotic commonly used in the treatment of lower urinary tract infections
I.v metronidazole provides good anaerobic cover and is used in the treatment of clostridium difficile