Especially tell your doctor if you take:. This is not a complete list of metoprolol drug interactions. Metoprolol can cause serious withdrawal side effects. To avoid these side effects, do not suddenly stop taking this medication. Discuss with your doctor about slowly decreasing the dose before stopping use of this medication altogether.
Medications can interact with certain foods. In some cases, this may be harmful and your doctor may advise you to avoid certain foods. In the case of metoprolol, there are no specific foods that you must exclude from your diet when receiving this medication. Before taking metoprolol, tell your doctor about all of your medical conditions. Especially tell your doctor if you:.
The FDA categorizes medications based on safety for use during pregnancy. Five categories - A, B, C, D, and X, are used to classify the possible risks to an unborn baby when a medication is taken during pregnancy. Metoprolol falls into category C. In animal studies, pregnant animals were given this medication and had some babies born with problems. No well-controlled studies have been done in humans, though. Therefore, this medication may be used if the potential benefits to the mother outweigh the potential risks to the unborn child.
Metoprolol has been detected in human breast milk. Because of the possibility for adverse reactions in nursing infants from metoprolol, a choice should be made whether to stop nursing or to stop use of this medication. The importance of the drug to the mother should be considered. This medication comes in tablet and in an injectable form metoprolol tartrate.
The tablet is taken once or twice daily. The injectable form is given directly into a vein IV by a healthcare professional. Metoprolol also comes in an extended-release tablet metoprolol succinate. The extended-release tablet is taken once a day. Do not chew, divide, or break metoprolol extended release tablets. Swallow tablets whole. If you miss a dose, take the missed dose as soon as you remember. If it is almost time for the next dose, skip the missed dose and take your next dose at the regular time.
Do not take two doses of metoprolol at the same time. Take metoprolol exactly as prescribed by your doctor. Follow the directions on your prescription label carefully. The recommended dose range for metoprolol [tartrate] for treating hypertension is to mg, either taken once a day or twice a day in equally divided doses.
The recommended dose range for metoprolol [tartrate] for treating chest pain is to mg, either taken once a day or twice a day in equally divided doses. The recommended dose for metoprolol [tartrate] for treating a heart attack is 15 mg at first by injection , then 25 to 50 mg every 6 hours for the first 48 hours, then mg twice a day in equally divided doses. The recommended dose range for metoprolol [succinate] for treating hypertension in adults is 25 to mg once a day.
The recommended dose range for metoprolol [succinate] for treating hypertension in children 6 years of age or older is 0. The recommended dose range for metoprolol [succinate] for treating chest pain is to mg once a day. The recommended dose range for metoprolol [succinate] for treating heart failure is If you take too much metoprolol, call your healthcare provider or local Poison Control Center, or seek emergency medical attention right away.
While all beta blockers share similarities in their mechanism of action, there are over 15 different beta blockers available, and some have additional specific characteristics that stand out: Sotalol blocks potassium channels which delays repolarization prolongs QT interval.
Propranolol and carteolol slow conduction by blocking sodium channels widens QRS complex. Carvedilol and labetalol have significant alpha 1 receptor blocking effects which enhance hypotension. Bolus Dose After bolus dosing, immediately start a continuous glucagon infusion at an hourly rate equal to the effective total bolus dose.
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Blood pressure is often raised because blood vessels are tightened. Beta-blockers work by preventing norepinephrine adrenalin from acting on beta receptors in blood vessels and in the heart. This causes blood vessels to relax. This in turn helps decrease blood pressure and reduce chest pain. If these effects are mild, they may go away within a few days or a couple of weeks. Call your doctor right away if you have serious side effects. Serious side effects and their symptoms can include the following:.
Metoprolol oral tablet can interact with other medications, vitamins , or herbs you may be taking. An interaction is when a substance changes the way a drug works. This can be harmful or prevent the drug from working well. To help avoid interactions, your doctor should manage all of your medications carefully. Taking metoprolol with reserpine and monoamine oxidase inhibitors MAOIs may increase or add to the effects of metoprolol.
They may also increase lightheadedness or slow your heart rate more. MAOIs can continue to interact with metoprolol for up to 14 days after taking them. Examples of MAOIs include:. Taking heart rhythm drugs with metoprolol can slow down your heart rate too much. Examples of these drugs include:. Like metoprolol, these drugs are used to treat high blood pressure and several other heart problems.
Combined with metoprolol, calcium channel blockers may slow your heart rate even more. Doctors sometimes use this combination under close supervision. Drugs used to treat depression and other mood disturbances are processed in your body by the same systems as metoprolol. Using these drugs with metoprolol could increase the levels of metoprolol in your body. Alpha-blockers also lower blood pressure.
They may decrease blood pressure too much when combined with metoprolol. Stopping the drug suddenly while also taking metoprolol can cause a big jump in blood pressure. Ergot alkaloids, such as dihydroergotamine, narrow blood vessels to treat headaches.
If you take them at the same time as metoprolol, they may cause dangerous narrowing of blood vessels. Dipyridamole is used for heart testing. All possible dosages and forms may not be included here. Your dosage, form, and how often you take the drug will depend on:. Your body may process this drug more slowly. Your doctor may start you on a lowered dosage so that too much of this drug does not build up in your body. Too much of the drug in your body can be dangerous. Treatment with this drug is often started in the hospital with the intravenous formulation as soon as possible after a heart attack.
Treatment with the oral medication as noted below is begun if your body tolerates the intravenous dosing. For people with liver disease: Liver disease may affect your dosage.
Your doctor can tell you more. Disclaimer: Our goal is to provide you with the most relevant and current information. However, because drugs affect each person differently, we cannot guarantee that this list includes all possible dosages. This information is not a substitute for medical advice.
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