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IMPORTANT: HOW TO USE THIS INFORMATION: This is a summary and does NOT have all possible information about this product. This information does not assure that this product is safe, effective, or appropriate for you. This information is not individual medical advice and does not substitute for the advice of your health care professional. Always ask your health care professional for complete information about this product and your specific health needs.
PENICILLIN G - INJECTION
COMMON BRAND NAME(S): Pfizerpen
USES: This medication is used to treat a wide variety of bacterial infections. It is also used to prevent infection of the heart (bacterial endocarditis) in patients with certain heart diseases who are having surgery. This medication is known as a natural penicillin antibiotic. It works by stopping the growth of bacteria.
HOW TO USE: Depending on your specific product, this medication is given by injection into a vein or into a muscle. Use exactly as directed by your doctor. The dosage is based on your medical condition and response to therapy. For children, the dosage is also based on weight.
If you are giving this medication to yourself at home, learn all preparation and usage instructions from your health care professional. Before using, check this product visually for particles or discoloration. If either is present, do not use the liquid. Learn how to store and discard medical supplies safely.
Give aminoglycosides (such as gentamicin) separately from this medication. Do not mix together in the same IV fluid.
Antibiotics work best when the amount of medicine in your body is kept at a constant level. Therefore, use this drug at evenly spaced intervals.
Continue to use this medication until the full prescribed amount is finished, even if symptoms disappear after a few days. Stopping the medication too early may allow bacteria to continue to grow, which may result in a return of the infection.
Tell your doctor if your condition persists or worsens.
Additional Pfizerpen Information
Report Problems to the Food and Drug Administration
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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