Healthwise

Our Health Library information does not replace the advice of a doctor. Please be advised that this information is made available to assist our patients to learn more about their health. Our providers may not see and/or treat all topics found herein.

Labetalol Injectable Solution

This medicine is used for the following purposes:

  • angina
  • high blood pressure

Generic Name: Labetalol

Instructions

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

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.

This medicine may cause low blood sugar. Eat regular meals and exercise as instructed by your doctor. Tell your doctor if you have symptoms of low blood sugar such as nausea, sweating, cold skin, fast heartbeat, hunger, and irritability.

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.

Cautions

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.

If possible, avoid using with marijuana or other medicines that can cause dizziness or drowsiness. These include allergy/cold products, muscle relaxers, sleep aids, and pain relievers.

Tell the doctor or pharmacist if you are pregnant, planning to be pregnant, or 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
  • lack of energy and tiredness

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

  • fainting
  • slow heartbeat
  • low blood pressure
  • signs of liver damage (such as yellowing of eye or skin, dark urine, or unusual tiredness)

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.

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