You should not use this medicine if you have had an allergic reaction to penicillin G sodium or any penicillin antibiotic such as amoxicillin, amoxicillin/clavulanate, Amoxil®, Augmentin®, Trimox®, or Veetids®.
If you store this medicine at home, keep it in the refrigerator. Do not freeze. You may take the medicine out of the refrigerator one hour before using it to allow it to warm to room temperature.
Ask your pharmacist, doctor, or health caregiver about the best way to dispose of any leftover medicine, containers, and other supplies. You will also need to throw away old medicine after the expiration date has passed.
Throw away used needles in a hard, closed container that the needles cannot poke through. Keep this container away from children and pets.
Keep all medicine away from children and never share your medicine with anyone.
Ask your doctor or pharmacist before using any other medicine, including over-the-counter medicines, vitamins, and herbal products.
Make sure your doctor knows if you are using other antibiotic medicines (such as chloramphenicol, erythromycin, doxycycline, minocycline, tetracycline, trimethoprim/sulfamethoxazole, Bactrim®, Chloromycetin®, Chloroptic®, Cotrim®, E.E.S.®, E-Mycin®, Ery-tab®, or Septra®) or a diuretic or "water pill" (such as ethacrynic acid, furosemide, hydrochlorothiazide, Edecrin®, Esidrix®, HydroDiuril®, Lasix®, Microzide®, or Oretic®).
Tell your doctor if you are also using aspirin (Ecotrin®), indomethacin (Indocin®), phenylbutazone, or probenecid (Benemid®).