Related Reading

Health Library Explorer
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z A-Z Listings Contact Us

Penicillin G Benzathine Injection

What is this medicine?

PENICILLIN G BENZATHINE (pen i SILL in G BEN za thine) is a penicillin antibiotic. It treats some infections caused by bacteria. It will not work for colds, the flu, or other viruses.

How should I use this medicine?

This drug is injected into a muscle. It is usually given by a health care provider in a hospital or clinic setting.

Talk to your health care provider about the use of this drug in children. While it may be prescribed for selected conditions, precautions do apply.

What side effects may I notice from receiving this medicine?

Side effects that you should report to your doctor or health care professional as soon as possible:

  • allergic reactions like skin rash, itching or hives, swelling of the face, lips, or tongue

  • bloody or watery diarrhea

  • fever

  • redness, blistering, peeling or loosening of the skin, including inside the mouth

Side effects that usually do not require medical attention (report to your doctor or health care professional if they continue or are bothersome):

  • dizziness

  • drowsiness

  • headache

  • nausea

  • pain, redness or irritation at the site where injected

  • vomiting

What may interact with this medicine?

This medicine may interact with the following medications:

  • birth control pills

  • probenecid

  • tetracycline

What if I miss a dose?

This does not apply. This drug is not for regular use.

Where should I keep my medicine?

This drug is given in a hospital or clinic. It will not be stored at home.

What should I tell my health care provider before I take this medicine?

They need to know if you have any of these conditions:

  • kidney disease

  • lung or breathing disease (asthma)

  • an unusual or allergic reaction to penicillin, other medicines, foods, dyes, or preservatives

  • pregnant or trying to get pregnant

  • breast-feeding

What should I watch for while using this medicine?

Your condition will be monitored carefully while you are receiving this medicine. Tell your health care provider if your symptoms do not start to get better or if they get worse.

Do not treat diarrhea with over the counter products. Contact your health care provider if you have diarrhea that lasts more than 2 days or if it is severe and watery.

This medicine may cause serious skin reactions. They can happen weeks to months after starting the medicine. Contact your health care provider right away if you notice fevers or flu-like symptoms with a rash. The rash may be red or purple and then turn into blisters or peeling of the skin. Or, you might notice a red rash with swelling of the face, lips, or lymph nodes in your neck or under your arms.

If you have diabetes, you may get a false-positive result for sugar in your urine. Check with your health care provider.

Birth control may not work properly while you are taking this medicine. Talk to your health care provider about using an extra method of birth control.

NOTE:This sheet is a summary. It may not cover all possible information. If you have questions about this medicine, talk to your doctor, pharmacist, or health care provider. Copyright© 2021 Elsevier
Powered by StayWell
About StayWell | StayWell Disclaimer