| IM/IV:0. 6 -2.4g/day as bid/qid, 600mg =1 million units. Depending upon the severity of infection higher I.V dose can be given. 
   Endocarditis: 1.2g every 4 hrs. 
   Meningitis: 2.4 g every 4-6 hrs to a maximum of 18g/day. 
   Max. rate of IV: 300mg/min for doses> 1.2g 
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