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Pfizerpen (Penicillin G Potassium) - Summary

 

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PFIZERPEN SUMMARY

Buffered
PFIZERPEN
(penicillin G potassium)
for Injection

Buffered Pfizerpen (penicillin G potassium) for Injection is a sterile, pyrogen-free powder for reconstitution. Buffered Pfizerpen for Injection is an antibacterial agent for intramuscular, continuous intravenous drip, intrapleural or other local infusion, and intrathecal administration. Each million units contains approximately 6.8 milligrams of sodium (0.3 mEq) and 65.6 milligrams of potassium (1.68 mEq).

Aqueous penicillin G (parenteral) is indicated in the therapy of severe infections caused by penicillin G-susceptible microorganisms when rapid and high penicillin levels are required in the conditions listed below. Therapy should be guided by bacteriological studies (including susceptibility tests) and by clinical response.

The following infections will usually respond to adequate dosage of aqueous penicillin G (parenteral):

  • Streptococcal infections.

NOTE: Streptococci in groups A, C, H, G, L, and M are very sensitive to penicillin G. Some group D organisms are sensitive to the high serum levels obtained with aqueous penicillin G.

Aqueous penicillin G (parenteral) is the penicillin dosage form of choice for bacteremia, empyema, severe pneumonia, pericarditis, endocarditis, meningitis, and other severe infections caused by sensitive strains of the gram-positive species listed above.

  • Pneumococcal infections.
  • Staphylococcal infections –penicillin G sensitive.
  • Other infections: Anthrax.
  • Actinomycosis.
  • Clostridial infections (including tetanus).
  • Diphtheria (to prevent carrier state).
  • Erysipeloid (Erysipelothrix insidiosa) endocarditis.
  • Fusospirochetal infections–severe infections of the oropharynx (Vincent's), lower respiratory tract and genital area due to Fusobacterium fusiformisans spirochetes.
  • Gram-negative bacillary infections (bacteremias)– (E. coli, A. aerogenes, A. faecalis, Salmonella, Shigella and P. mirabilis).
  • Listeria infections (Listeria monocytogenes).
  • Meningitis and endocarditis.
  • Pasteurella infections (Pasteurella multocida).
  • Bacteremia and meningitis.
  • Rat-bite fever (Spirillum minus or Streptobacillus moniliformis).
  • Gonorrheal endocarditis and arthritis (N. gonorrhoeae).
  • Syphilis (T. pallidum) including congenital syphilis.
  • Meningococcic meningitis.

Although no controlled clinical efficacy studies have been conducted, aqueous crystalline penicillin G for injection and penicillin G procaine suspension have been suggested by the American Heart Association and the American Dental Association for use as part of a combined parenteral-oral regimen for prophylaxis against bacterial endocarditis in patients with congenital heart disease or rheumatic, or other acquired valvular heart disease when they undergo dental procedures and surgical procedures of the upper respiratory tract.1 Since it may happen that alpha hemolytic streptococci relatively resistant to penicillin may be found when patients are receiving continuous oral penicillin for secondary prevention of rheumatic fever, prophylactic agents other than penicillin may be chosen for these patients and prescribed in addition to their continuous rheumatic fever prophylactic regimen.

NOTE: When selecting antibiotics for the prevention of bacterial endocarditis, the physician or dentist should read the full joint statement of the American Heart Association and the American Dental Association.1

To reduce the development of drug-resistant bacteria and maintain effectiveness of Pfizerpen and other antibacterial drugs, Pfizerpen should be used only to treat or prevent infections that are proven or strongly suspected to be caused by susceptible bacteria. When culture and susceptibility information are available, they should be considered in selecting or modifying antibacterial therapy. In the absence of such data, local epidemiology and susceptibility patterns may contribute to the empiric selection of therapy.

PFIZERPEN NEWS HIGHLIGHTS

Media Articles Related to Pfizerpen (Penicillin G)

penicillin g benzathine-injection, Bicillin L-A
Source: MedicineNet Yaws Specialty [2005.03.02]

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Published Studies Related to Pfizerpen (Penicillin G)

Once-daily amoxicillin versus twice-daily penicillin V in group A beta-haemolytic streptococcal pharyngitis. [2008.06]

Continuous versus intermittent infusion of temocillin, a directed spectrum penicillin for intensive care patients with nosocomial pneumonia: stability, compatibility, population pharmacokinetic studies and breakpoint selection. [2008.02]

Comparison of oral amoxicillin and intravenous benzyl penicillin for community acquired pneumonia in children (PIVOT trial): a multicentre pragmatic randomised controlled equivalence trial. [2007.12]

Penicillin and gentamicin therapy vs amoxicillin/clavulanate in severe hypoxemic pneumonia. [2006.04]

Efficacy and safety of twice-daily pharmacokinetically enhanced amoxicillin/clavulanate (2000/125 mg) in the treatment of adults with community-acquired pneumonia in a country with a high prevalence of penicillin-resistant Streptococcus pneumoniae. [2006.03]

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Clinical Trials Related to Pfizerpen (Penicillin G)

Bicillin L-A vs Placebo for the Treatment of Chronic, Plaque-Type Psoriasis Unresponsive to Topical Medications [Recruiting]

A Pilot Study Evaluating Penicillin G and Ceftriaxone as Therapies for Presumed Neurosyphilis in HIV Seropositive Individuals [Completed]

Azithromycin/Bicillin Syphilis [Active, not recruiting]

Efficacy Study of Community-Based Treatment of Serious Bacterial Infections in Young Infants [Active, not recruiting]

Management of Early Onset Neonatal Septicaemia: Selection of Optimal Antibacterial Regimen for Empiric Treatment [Completed]

more>>

Page last updated: 2008-06-22

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