Penicillin G potassium
Generic name: penicillin G potassium [ PEN-i-SIL-in-G-poe-TAS-ee-um ]
Brand name: Pfizerpen
Dosage forms: injectable powder for injection (20,000,000 units; 5,000,000 units); intravenous solution (1000000 units/50 mL; 2,500,000 units/50 mL-NaCl 0.9%; 2000000 units/50 mL; 3000000 units/50 mL)
Drug class:Natural penicillins
What is penicillin G potassium?
Penicillin G potassium is a fast-acting antibiotic that fights bacteria in your body.
Penicillin G potassium is used to treat many different types of severe infections, including strep and staph infections, diphtheria, meningitis, gonorrhea, and syphilis.
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.
Warnings
Follow all directions on your medicine label and package. Tell each of your healthcare providers about all your medical conditions, allergies, and all medicines you use.
Before taking this medicine
You should not use penicillin G potassium 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.
To make sure penicillin G potassium is safe for you, tell your doctor if you have:
asthma or a history of allergies;
kidney disease;
heart disease;
if you take a diuretic or "water pill"; or
if you take any other antibiotics, including sulfa drugs.
Penicillin G potassium is not expected to be harmful to an unborn baby. Tell your doctor if you are pregnant or plan to become pregnant during treatment.
Penicillin G potassium can pass into breast milk and may harm a nursing baby. Tell your doctor if you are breast-feeding a baby.
How should I use penicillin G potassium?
Penicillin G potassium is injected into a muscle or into a vein through an IV. You may be shown how to use an injection at home. Do not self-inject this me...
