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Metoprolol Injection

This medicine is used for the following purposes:

  • heart disease
  • irregular heart beat

Brand Name(s): Lopressor

Generic Name: Metoprolol

Instructions

This medicine is given as an IV injection into a vein.

This medicine is given by pushing the entire dose of the medicine into the IV line at one time.

This medicine should be given by a trained health care provider.

You must be monitored by a health care professional during and after each dose is given.

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.

If you have diabetes, this medicine may hide some signs of low blood sugar, such as fast heartbeat. Check your blood sugar regularly and for other signs of low blood sugar.

Symptoms of low blood sugar may include nausea, shaking, sweating, cold skin, fast heartbeat, hunger, and irritability.

If you need to stop this medicine, your doctor may wish to gradually reduce the dosage before stopping.

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 with weak hearts may have worsening of symptoms. If you notice difficulty breathing, weight gain, or swelling of your legs or ankles, let your doctor know right away.

This medicine may cause dizziness or fainting, especially after exercising or in hot weather. Be very careful when standing or sitting up quickly.

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

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.

  • dizziness or drowsiness
  • lack of energy and tiredness
  • slow heartbeat
  • lightheadedness

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

  • confusion
  • depression or feeling sad
  • swelling of the legs, feet, and hands
  • fainting
  • cold hands or feet
  • pain, redness, swelling near injection
  • mood changes
  • pale or blue skin, lips or fingernails
  • shortness of breath
  • unusual or unexplained tiredness or weakness
  • sudden or unexplained weight gain

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.