Penicillin G Potassium

Generic Name: Penicillin G

  • What is Penicillin G Potassium?

    Penicillin G potassium is an antibiotic used to treat certain bacterial infections of the respiratory (lung) tract, heart, central nervous system (CNS), blood, abdomen, or genital area; or sexually transmitted diseases (such as syphilis). Penicillin G potassium may also be used to treat other bacterial infections, as determined by your doctor. Penicillin G potassium is administered intravenously (through a vein in your arm).

  • What is the most important information I should know about Penicillin G Potassium?

    Your doctor will not administer penicillin G potassium to you if you are allergic to it, any of its ingredients, or to similar antibiotics (such as cefazolin, cefepime, or dicloxacillin). If you are allergic to similar antibiotics, it is possible for you to have an allergic reaction to this medication. Tell your doctor or seek medical attention immediately if you take penicillin G potassium and feel signs of an allergic reaction (such as a rash, swelling, or difficulty breathing).

    Penicillin G potassium can cause diarrhea or colitis (inflammation of the colon). This can occur a couple of months after taking the last dose of penicillin G potassium. Tell your doctor immediately if you have diarrhea or colitis.

  • Who should not take Penicillin G Potassium?

    Your doctor will not administer penicillin G potassium to you if you are allergic to it, any of its ingredients, any similar antibiotics (such as cefazolin, cefepime, or dicloxacillin), or if you are allergic to corn or corn products.

    Your doctor will not administer penicillin G potassium to you to treat viral infections, such as the common cold.

  • What should I tell my doctor before I take the first dose of Penicillin G Potassium?

    Tell your doctor about all prescription, over-the-counter, and herbal medications you are taking before beginning treatment with penicillin G potassium. Also, talk to your doctor about your complete medical history, especially if you have allergies, asthma, kidney or heart disease, are pregnant, plan to become pregnant, or are breastfeeding.

  • What is the usual dosage?

    The information below is based on the dosage guidelines your doctor uses. Depending on your condition and medical history, your doctor may prescribe a different regimen. Do not change the dosage or stop taking your medication without your doctor's approval.

    Adults: Your doctor will administer the appropriate dose for you based on the type and severity of your infection.

    If you have kidney impairment, your doctor will adjust your dose appropriately.

    Children: Your doctor will administer the appropriate dose for your child, based on their weight.

  • How should I take Penicillin G Potassium?

    Your doctor will administer penicillin G potassium to you.

  • What should I avoid while taking Penicillin G Potassium?

    Do not miss your scheduled follow-up appointments with your doctor.

  • What are possible food and drug interactions associated with Penicillin G Potassium?

    If penicillin G potassium is taken with certain other drugs, the effects of either could be increased, decreased, or altered. It is especially important to tell your doctor if you are taking any of the following prior treatment with penicillin G potassium: aspirin or nonsteroidal anti-inflammatory drugs (NSAIDs) (such as indomethacin or phenylbutazone), chloramphenicol, diuretics (water pills) (such as ethacrynic acid, furosemide, or hydrochlorothiazide), erythromycin, probenecid, sulfonamides (such as sulfamethoxazole/trimethoprim), or tetracyclines (such as doxycycline).

  • What are the possible side effects of Penicillin G Potassium?

    Side effects cannot be anticipated. If any develop or change in intensity, tell your doctor as soon as possible. Only your doctor can determine if it is safe for you to continue taking this drug.

    Side effects may include: allergic reactions, black tongue, chills, diarrhea, fever, headache, injection-site reactions, nausea, rash, seizures, shortness of breath, stomach pain, vomiting

  • Can I receive Penicillin G Potassium if I am pregnant or breastfeeding?

    The effects of penicillin G potassium during pregnancy are unknown. Penicillin G potassium can be found in your breast milk if you receive it while breastfeeding. Tell your doctor immediately if you are pregnant, plan to become pregnant, or are breastfeeding.

  • What should I do if I miss a dose of Penicillin G Potassium?

    Penicillin G potassium should be given under special circumstances determined by your doctor.

  • How should I store Penicillin G Potassium?

    Your doctor will store this medication for you.