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Penicillin G Injectable Solution (PENICILLIN G - INJECTION)

For treating bacterial infection.

Brand Name(s): Pfizerpen

Generic Name: Penicillin G Sodium, Penicillin G Potassium

Instructions

This medicine is given gradually through the IV line.

Check the medicine before each use. If the liquid medicine has any particles in it, appears discolored, or if the vial appears damaged, do not use it.

This medicine has different storage instructions depending on how it is mixed. Check labels or ask your doctor, nurse or pharmacist for details.

Speak with your nurse or pharmacist about how long the medicine can be stored safely at room temperature or in the refrigerator before it needs to be discarded.

Never use any medicine that has expired.

Space doses evenly to keep a steady amount of medicine in the body.

If you miss a dose, contact your doctor for instructions.

Drug interactions can change how medicines work or increase risk for side effects. Tell your health care providers about all medicines taken. Include prescription and over-the-counter medicines, vitamins, and herbal medicines. Speak with your doctor or pharmacist before starting or stopping any medicine.

Tell your doctor if symptoms do not get better or if they get worse.

Keep using this medicine for the full number of days that it is prescribed. Do not stop the medicine even if you start to feel better.

Keep all appointments for medical exams and tests while on this medicine.

Cautions

During pregnancy, this medicine should be used only when clearly needed. Talk to your doctor about the risks and benefits.

Tell your doctor and pharmacist if you ever had an allergic reaction to a medicine.

Some patients taking this medicine have experienced serious side effects. Please speak with your doctor to understand the risks and benefits associated with this medicine.

Do not use the medication any more than instructed.

Contact your doctor if you develop any signs of a new infection such as fever, cough, sore throat, or chills.

Speak with your health care provider before receiving any vaccinations.

Please tell your doctor if you have moderate to severe diarrhea while on this medicine. Do not treat the diarrhea with over-the-counter diarrhea medicine.

This medicine passes into breast milk. Ask your doctor before breastfeeding.

Ask your doctor, nurse or pharmacist how to safely discard unused medicines, needles and syringes.

Do not share this medicine with anyone who has not been prescribed this medicine.

Side Effects

The following is a list of some common side effects from this medicine. Please speak with your doctor about what you should do if you experience these or other side effects.

  • headaches
  • pain, redness, swelling near injection
  • nausea and vomiting

Call your doctor or get medical help right away if you notice any of these more serious side effects:

  • bleeding or bruising
  • chest pain
  • confusion
  • severe, watery or bloody diarrhea
  • dizziness
  • swelling of the legs, feet, and hands
  • fainting
  • feeling of heat or flushing
  • fever or chills
  • numbness or tingling in hands and feet
  • fast, irregular, or slow heartbeat
  • muscle aches, spasms or abnormal movements
  • joint or muscle pain
  • pale or blue skin, lips or fingernails
  • seizures
  • shortness of breath
  • red, peeling or blistering skin
  • sore throat
  • severe stomach or bowel pain
  • blood in stool
  • yeast infection of mouth
  • unusual or unexplained tiredness or weakness
  • increased urinary frequency
  • urinating less often
  • dark urine
  • vaginal itching or yeast infection

A few people may have an allergic reaction to this medicine. Symptoms can include difficulty breathing, skin rash, itching, swelling, or severe dizziness. If you notice any of these symptoms, seek medical help quickly.

Please speak with your doctor, nurse, or pharmacist if you have any questions about this medicine.