Do not use two doses at one time. Metoprolol typically begins to work after about two hours, but it can take up to a week before the full effects are felt. Your dosage will depend on your medical condition, your age, your overall health, and other factors. Health Topics. Health Tools. Metoprolol Metoprolol Tartrate.
Reviewed: November 16, You should not use this medicine if you are allergic to metoprolol, or other beta-blockers atenolol, carvedilol, labetalol, nadolol, nebivolol, propranolol, sotalol, and others , or if you have: a serious heart problem such as heart block, sick sinus syndrome, or slow heart rate; severe circulation problems; severe heart failure that required you to be in the hospital ; or a history of slow heart beats that have caused you to faint.
Tell your doctor if you have ever had: asthma, chronic obstructive pulmonary disease COPD , sleep apnea, or other breathing disorder; diabetes taking metoprolol may make it harder for you to tell when you have low blood sugar ; liver disease; congestive heart failure; problems with circulation such as Raynaud's syndrome ; a thyroid disorder; or pheochromocytoma tumor of the adrenal gland. Do not give this medicine to a child without medical advice.
Side Effects. Call your doctor at once if you have: very slow heartbeats; a light-headed feeling, like you might pass out; shortness of breath even with mild exertion , swelling, rapid weight gain; or cold feeling in your hands and feet. Common side effects may include: dizziness, tired feeling; depression, confusion, memory problems; nightmares, trouble sleeping; diarrhea; or mild itching or rash.
Based on FDA pregnancy categories. Drinking alcohol can increase certain side effects of metoprolol. Metoprolol should be taken with a meal or just after a meal. It also is used to prevent angina chest pain and to improve survival after a heart attack. Metoprolol also is used in combination with other medications to treat heart failure.
Metoprolol is in a class of medications called beta blockers. It works by relaxing blood vessels and slowing heart rate to improve blood flow and decrease blood pressure. High blood pressure is a common condition and when not treated, can cause damage to the brain, heart, blood vessels, kidneys and other parts of the body. Damage to these organs may cause heart disease, a heart attack, heart failure, stroke, kidney failure, loss of vision, and other problems. In addition to taking medication, making lifestyle changes will also help to control your blood pressure.
These changes include eating a diet that is low in fat and salt, maintaining a healthy weight, exercising at least 30 minutes most days, not smoking, and using alcohol in moderation. Metoprolol comes as a tablet and an extended-release long-acting tablet to take by mouth. The regular tablet is usually taken once or twice a day with meals or immediately after meals. The extended-release tablet is usually taken once a day.
To help you remember to take metoprolol, take it around the same time s every day. Follow the directions on your prescription label carefully, and ask your doctor or pharmacist to explain any part you do not understand. Take metoprolol exactly as directed. Do not take more or less of it or take it more often than prescribed by your doctor.
The extended-release tablet may be split. Swallow the whole or half tablets whole; do not chew or crush them. Metoprolol controls high blood pressure and angina but does not cure them. Metoprolol extended-release tablets control heart failure but does not cure it. It may take a few weeks before you feel the full benefit of metoprolol. You may have to take high blood pressure medicine for the rest of your life.
If high blood pressure is not treated, it can cause serious problems such as heart failure, blood vessel disease, strokes, or kidney disease.
Take the tablet or extended-release tablet with a meal or just after you eat. You may break the extended-release tablet into two pieces, but swallow the two pieces whole and do not crush or chew them. The dose of this medicine will be different for different patients. Follow your doctor's orders or the directions on the label.
The following information includes only the average doses of this medicine. If your dose is different, do not change it unless your doctor tells you to do so. The amount of medicine that you take depends on the strength of the medicine. Also, the number of doses you take each day, the time allowed between doses, and the length of time you take the medicine depend on the medical problem for which you are using the medicine.
If you miss a dose of this medicine, take it as soon as possible. However, if it is almost time for your next dose, skip the missed dose and go back to your regular dosing schedule. Do not double doses. Store the medicine in a closed container at room temperature, away from heat, moisture, and direct light. Keep from freezing. It is very important that your doctor check your progress at regular visits to make sure this medicine is working properly.
Blood tests may be needed to check for unwanted effects. Metoprolol may worsen the symptoms of heart failure in some patients. Check with your doctor right away if you are having chest pain or discomfort, dilated neck veins, extreme fatigue, irregular breathing or heartbeat, shortness of breath, swelling of the face, fingers, feet, or lower legs, or weight gain. Do not suddenly stop taking this medicine without first checking with your doctor. Your doctor may want you to gradually reduce the amount you are taking before stopping it completely.
Some conditions may become worse when the medicine is stopped suddenly, which can be dangerous. This medicine may cause changes in blood sugar levels. Also, this medicine may cover up the symptoms of low blood sugar, such as a rapid pulse rate. Check with your doctor if you notice a change in your normal symptoms or a change in the results of your blood or urine sugar tests.
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. Always speak with your doctor or pharmacist about dosages that are right for you. Taking it again could be fatal cause death. A doctor may still prescribe it, but with careful monitoring. At higher doses, metoprolol can block different receptors on the breathing passages. This narrows the passages, which worsens asthma or COPD.
For people with diabetes : Metoprolol may eliminate tremors and reduce heart rate. Tremors and an increased heart rate are signs of low blood sugar. Without these signals, it becomes more difficult to recognize low blood sugar levels. For people with poor circulation: If you have poor circulation in your feet and hands, it may become worse when taking metoprolol. Because metoprolol reduces blood pressure, you may get even less blood to these parts of your body. For pregnant women: Metoprolol is a category C pregnancy drug.
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