What is this medicine?

METOPROLOL (me TOE proe lole) is a beta-blocker. Beta-blockers reduce the workload on the heart and help it to beat more regularly. This medicine is used to treat high blood pressure and to prevent chest pain. It is also used to after a heart attack and to prevent an additional heart attack from occurring.

This medicine may be used for other purposes; ask your health care provider or pharmacist if you have questions.

COMMON BRAND NAME(S): toprol, Toprol XL

What should I tell my health care provider before I take this medicine?

They need to know if you have any of these conditions:

  • diabetes
  • heart or vessel disease like slow heart rate, worsening heart failure, heart block, sick sinus syndrome or Raynaud's disease
  • kidney disease
  • liver disease
  • lung or breathing disease, like asthma or emphysema
  • pheochromocytoma
  • thyroid disease
  • an unusual or allergic reaction to metoprolol, other beta-blockers, medicines, foods, dyes, or preservatives
  • pregnant or trying to get pregnant
  • breast-feeding

How should I use this medicine?

Take this medicine by mouth with a glass of water. Follow the directions on the prescription label. Do not crush or chew. Take this medicine with or immediately after meals. Take your doses at regular intervals. Do not take more medicine than directed. Do not stop taking this medicine suddenly. This could lead to serious heart-related effects.

Talk to your pediatrician regarding the use of this medicine in children. While this drug may be prescribed for children as young as 6 years for selected conditions, precautions do apply.

Overdosage: If you think you have taken too much of this medicine contact a poison control center or emergency room at once.

NOTE: This medicine is only for you. Do not share this medicine with others.

What if I miss a dose?

If you miss a dose, take it as soon as you can. If it is almost time for your next dose, take only that dose. Do not take double or extra doses.

What may interact with this medicine?

This medicine may interact with the following medications:

  • certain medicines for blood pressure, heart disease, irregular heart beat
  • certain medicines for depression, like monoamine oxidase (MAO) inhibitors, fluoxetine, or paroxetine
  • clonidine
  • dobutamine
  • epinephrine
  • isoproterenol
  • reserpine

This list may not describe all possible interactions. Give your health care provider a list of all the medicines, herbs, non-prescription drugs, or dietary supplements you use. Also tell them if you smoke, drink alcohol, or use illegal drugs. Some items may interact with your medicine.

What should I watch for while using this medicine?

Visit your doctor or health care professional for regular check ups. Contact your doctor right away if your symptoms worsen. Check your blood pressure and pulse rate regularly. Ask your health care professional what your blood pressure and pulse rate should be, and when you should contact them.

You may get drowsy or dizzy. Do not drive, use machinery, or do anything that needs mental alertness until you know how this medicine affects you. Do not sit or stand up quickly, especially if you are an older patient. This reduces the risk of dizzy or fainting spells. Contact your doctor if these symptoms continue. Alcohol may interfere with the effect of this medicine. Avoid alcoholic drinks.

This medicine may increase blood sugar. Ask your healthcare provider if changes in diet or medicines are needed if you have diabetes.

What side effects may I notice from receiving this medicine?

Side effects that you should report to your doctor or health care professional as soon as possible:

  • allergic reactions like skin rash, itching or hives
  • cold or numb hands or feet
  • depression
  • difficulty breathing
  • faint
  • fever with sore throat
  • irregular heartbeat, chest pain
  • rapid weight gain

signs and symptoms of high blood sugar such as being more thirsty or hungry or having to urinate more than normal. You may also feel very tired or have blurry vision.

  • swollen legs or ankles

Side effects that usually do not require medical attention (report to your doctor or health care professional if they continue or are bothersome):

  • anxiety or nervousness
  • change in sex drive or performance
  • dry skin
  • headache
  • nightmares or trouble sleeping
  • short term memory loss
  • stomach upset or diarrhea

This list may not describe all possible side effects. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

Where should I keep my medicine?

Keep out of the reach of children.

Store at room temperature between 15 and 30 degrees C (59 and 86 degrees F). Throw away any unused medicine after the expiration date.

NOTE: This sheet is a summary. It may not cover all possible information. If you have questions about this medicine, talk to your doctor, pharmacist, or health care provider.

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