PENICILLIN (pen-i-SILL-in) G
This medicine is a penicillin antibiotic used to treat or prevent bacterial infections.
BEFORE USING THIS MEDICINE:
Some medicines or medical conditions may interact with this medicine. INFORM YOUR DOCTOR OR PHARMACIST of all prescription and over-the-counter medicine that you are taking. DO NOT TAKE THIS MEDICINE if you are also taking tetracycline antibiotics. ADDITIONAL MONITORING OF YOUR DOSE OR CONDITION may be needed if you are taking birth control pills, anticoagulants, methotrexate, or injectable aminoglycosides. Inform your doctor of any other medical conditions, allergies, pregnancy, or breast-feeding. Contact your doctor or pharmacist if you have any questions or concerns about taking this medicine.
HOW TO USE THIS MEDICINE:
Follow the directions for using this medicine provided by your doctor. This medicine is usually administered as an injection at your doctor’s office, hospital, or clinic. Ask your doctor, nurse, or pharmacist any questions that you may have about this medicine. SHAKE WELL before using a dose. STORE THIS MEDICINE in the refrigerator. Do not freeze. TO CLEAR UP YOUR INFECTION COMPLETELY, continue using this medicine for the full course of treatment even if you feel better. IF YOU MISS A DOSE OF THIS MEDICINE, contact your doctor.
DO NOT TAKE THIS MEDICINE IF YOU HAVE HAD A SEVERE ALLERGIC REACTION to a penicillin antibiotic (such as amoxicillin, ampicillin) or a cephalosporin antibiotic (such as Ceclor, Keflex, Ceftin, Duricef). A severe reaction includes a severe rash, hives, breathing difficulties, or dizziness. If you have a question about whether you are allergic to this medicine, contact your doctor or pharmacist. If your symptoms do not improve within a few days or if they become worse, check with your doctor. IF YOU EXPERIENCE difficulty breathing or tightness of chest; swelling of eyelids, face, or lips; or develop a rash or hives, tell your doctor immediately. Do not take any more of this medicine unless your doctor tells you to do so. IF MODERATE TO SEVERE DIARRHEA OCCURS during or after treatment with this medicine, check with your doctor or pharmacist. Do not treat it with non-prescription (over-the-counter) medicines. FOR WOMEN TAKING BIRTH CONTROL PILLS, this medicine may decrease the effectiveness of your birth control pills. To prevent pregnancy, use an additional form of birth control. THIS MEDICINE IS EXCRETED IN BREAST MILK. IF YOU ARE OR WILL BE BREAST-FEEDING while you are using this medicine, check with your doctor or pharmacist to discuss the risks to your baby. IF YOU HAVE DIABETES MELLITUS, this medicine may cause false test results with some urine glucose tests. Check with your doctor before you adjust the dose of your diabetes medicine or change your diet.
POSSIBLE SIDE EFFECTS:
SIDE EFFECTS, that may go away during treatment, include nausea, vomiting, or mild diarrhea. If they continue or are bothersome, check with your doctor. CHECK WITH YOUR DOCTOR AS SOON AS POSSIBLE if you experience itching; rash; hives; chills; fever; muscle pain; severe diarrhea; pain, redness, or swelling at the injection site; or vaginal irritation or discharge. If you notice other effects not listed above, contact your doctor, nurse, or pharmacist.