Medications and Drugs
Brand Names: Pfizerpen
Generic Name: penicillin G potassium (Pronunciation: PEN i SIL in G poe TAS ee um)
What is penicillin G potassium (Pfizerpen)?
Penicillin G potassium is a fast-acting antibiotic that fights bacteria in your body.
Penicillin G potassium is also used to prevent infections of the heart valves in people with certain heart conditions who need to have dental work or surgery.
Penicillin G potassium may also be used for purposes not listed in this medication guide.
What are the possible side effects of penicillin G potassium (Pfizerpen)?
Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.
Call your doctor at once if you have any of these serious side effects:
Less serious side effects may include:
This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.
What is the most important information I should know about penicillin G potassium (Pfizerpen)?
You should not use this medication if you are allergic to penicillin. Tell your doctor if you have ever had an allergic reaction to a cephalosporin antibiotic such as Ceftin, Cefzil, Omnicef, Keflex, and others.
Use this medication for the full prescribed length of time. Your symptoms may improve before the infection is completely cleared. Penicillin G potassium will not treat a viral infection such as the common cold or flu.
After you have finished your treatment with penicillin G potassium, your doctor may want to do tests to make sure your infection has completely cleared up.
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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