| 
 
   | Indicator | Criteria | Threshold    (%) |  
   | Indication | Severe    Pneumonia Pyogenic meningitis (Meningococcal meningitis and Pneumococcal meningitis)
 Generalized    Neonatal tetanus
 Congenital syphilis
 Neonatal    sepsis
 Cellulites
 Erysipelas
 Endocarditis
 | 100 |  
   | Dose    and dose    frequency | Bacteremia: 25,000    to 50,000 units/kg/dose IV infusion over 30 minutes, or IM Severe Pneumonia: 50,000    units/kg/24 hours IV QID
 Meningococcal meningitis: 250,000 units/kg/dose IV infusion over 30 minutes,    or IM every 4 hour
 Pneumococcal meningitis: 250,000 units/kg/dose IV infusion over 30 minutes, or IM every 4 hour
 Neonatal sepsis: 50,000 IU/kg/24hours IV QID
 Neonatal tetanus: 50,000 IU/kg/24hours IV QID
 Cellulites: 50,000 IU/kg/24hours IV 4 hourly
 Erysipelas: 50,000 IU/kg/24hours IV
 Prevention    of Bacterial Endocarditis:50,000 IU/kg intravenously or intramuscularly 30 to    60 minutes before the procedure and, 1 million IU (25,000 IU/kg for children)    six hours later
 Gonococcus infection (only with proven    penicillin-susceptible isolate): 100,000 units/kg/dose IV infusion over 30 minutes, or IM
 Congenital    syphilis: 50,000    units/kg/dose IV over 30 minutes, given Q 12 hours during the first 7 days of    life
 | 95
 |  
   | Duration | Congenital syphilis: 10-14 days Severe Pneumonia: 3 days
 Meningococcal meningitis: 10 days
 Pneumococcal meningitis: 7 days
 Neonatal sepsis: 10 days
 Neonatal tetanus: 10 days
 Cellulites: 10 days
 Erysipelas: until the fever subside
 Endocarditis: 2-6 weeks
 | 90 |  
   | Contra-indications | Penicillin    hypersensitivity reaction; avoid intrathecal route | 100 |  
   | Drug interactions | •Methotrexate, •Probenecid (decrease renal tubular secretion of the penicillin’s),
 •Aminoglycosides (inactivated by high doses of IV benzyl penicillin; should not be    administered in same giving set)
 
 | 90 |  
   | Outcome | Fever    reduction •Decrease of at least 1°C from peak temperature within 3 days of initial    crystalline penicillin dose
 • Fever not present initially Clinical improvement noted in progress
 •New organism or another infection    suspected or identified
 •Patient discharged before therapy    completed and unavailable for follow-up
 •Patient expired
 Switch to    oral therapy
 | 95 |  |