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(penicillin G potassium) for Injection
To reduce the development of drug-resistant bacteria and maintain the effectiveness of Pfizerpen (penicillin g potassium) ® and other antibacterial drugs, Pfizerpen (penicillin g potassium) should be used only to treat or prevent infections that are proven or strongly suspected to be caused by bacteria.
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Buffered Pfizerpen (penicillin G potassium) for Injection is a sterile, pyrogen-free powder for reconstitution. Buffered Pfizerpen (penicillin g potassium) 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).
Chemically, Pfizerpen (penicillin g potassium) is monopotassium 3,3-dimethyl-7-oxo-6-(2-phenylacetamido)-4-thia-1-azabicyclo (3.2.0) heptane-2-carboxylate. It has a molecular weight of 372.48 and the following chemical structure:
Penicillin G potassium is a colorless or white crystal, or a white crystalline powder which is odorless, or practically so, and moderately hygroscopic. Penicillin G potassium is very soluble in water. The pH of the reconstituted product is between 6.0-8.5.
What are the precautions when taking penicillin g potassium (Pfizerpen)?
Before using this medication, tell your doctor or pharmacist if you are allergic to it; or to penicillin or cephalosporin antibiotics; or if you have any other allergies. This product may contain inactive ingredients (such as corn for products containing dextrose), which can cause allergic reactions or other problems. Talk to your pharmacist for more details.
Before using this medication, tell your doctor or pharmacist your medical history, especially of: asthma, kidney disease.
Certain products of this medication contain sodium. Consult your doctor or pharmacist if you are on a salt-restricted diet or if you have a condition that could be worsened by an increase in salt intake (e.g., congestive heart failure).
Certain products of this medication contain potassium....
Last reviewed on RxList: 6/27/2008
This monograph has been modified to include the generic and brand name in many instances.
Additional Pfizerpen Information
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You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.
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