Antibiotics needed: when a skin infection is getting worse even after some pus has drained, this is a failure of first aid. Your body has done the best it could but the bacteria have a head start and now you need to call in the support team -- which means an antibiotic. MRSA is one serious bacterial infection which can spread from the skin to infect other organs. It does respond to antibiotics such as Bactrim (sulfamethoxazole and trimethoprim) DS
Answered 9/27/2016
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