If both medicines are prescribed together, your doctor may change the dose or how often you use one or both of the medicines. Fruit juices such as grapefruit, orange, and apple juice can decrease the absorption of certain beta blockers, so it is best to avoid drinking these while taking atenolol. Importance of not interrupting or discontinuing therapy without consulting clinician. Drugs that affect the heart rhythm (such as digoxin, amiodarone, dofetilide, and disopyramide) may slow down the heart too much when taken with atenolol. Certain medicines should not be used at or around the time of eating food or eating certain types of food since interactions may occur. Lung disease (e.g., asthma, bronchitis, emphysema)May cause difficulty with breathing in patients with this condition . It can also make you feel dizzy. Atenolol should never be stopped abruptly. Lowering blood pressure with medications such as atenolol has been shown to reduce the risk of a stroke or a heart attack (myocardial infarction). If you're taking atenolol as a liquid, it will come with a plastic syringe or spoon to help you measure out the right dose. Increasing dosage beyond 100 mg daily usually does not result in further improvement in BP control. High T3 levels cause an increase in beta-adrenergic activity, which can result in palpitations, fast heart rate, anxiety, and tremors. Creatinine clearance less than 15 mL/min: Maximum dose is 25 mg per day Measure BP just prior to a dose to ensure persistence of adequate BP reduction. Advertising revenue supports our not-for-profit mission. Dosage Considerations - Should be Given as Follows: Hypertension. Slow heartbeat, dizziness, fatigue, cold extremities, and heart failure are the most commonly reported side effects. Within 5 minutes following IV administration. Atenolol (Tenormin) is a good medication for controlling chest pain (angina). Store the medicine in a closed container at room temperature, away from heat, moisture, and direct light. Patients with Clcr<15 mL/minute per 1.73 m2: Maximum 25 mg daily or 50 mg every other day. The lowest effective dose should be used to maintain cardioselectivity. In addition, an SBP goal of <130 mm Hg generally is recommended for noninstitutionalized ambulatory patients 65 years of age with an average SBP of 130 mm Hg. Use this drug for a condition that is listed in this section only if it has been so prescribed by your health care professional. Drugs.com provides accurate and independent information on more than 24,000 prescription drugs, over-the-counter medicines and natural products. The 2017 ACC/AHA hypertension guideline generally recommends a target BP goal (i.e., BP to achieve with drug therapy and/or nonpharmacologic intervention) <130/80 mm Hg in all adults regardless of comorbidities or level of atherosclerotic cardiovascular disease (ASCVD) risk. Never take 2 doses at the same time. Measure BP just prior to the dose to ensure persistence of adequate BP reduction. Remember that this medicine will not cure your high blood pressure, but it does help control it. What is the best time of day to take blood pressure medication? Use an effective form of birth control to keep from getting pregnant. At higher dosages, atenolol may affect beta2 receptors in the airways, which may affect breathing. Increase dosage as necessary up to a maximum dosage of 2 mg/kg (up to 100 mg) daily given as a single dose or in 2 divided doses. The dosage range is 25-100 mg once or twice daily. Adults50 milligrams (mg) ten minutes after the last intravenous (IV) dose followed by another 50 mg twelve hours later. Available for Android and iOS devices. ChildrenUse and dose must be determined by your doctor . In this case, just skip the missed dose and take your next dose at the usual time. If dosage must be increased, consider administering in 2 divided doses daily to decrease peak blood levels. Atenolol does not usually upset your stomach, so you can take it with or without food but it's best to do the same each day. Written by ASHP. You are fully responsible for paying your prescriptions at the pharmacy at the time of service, but you will be entitled to receive a discount from the pharmacy in accordance with the specific pre-negotiated discounted rate schedule. Drug class: cardioselective beta blockers, https://www.drugs.com/pro/atenolol-tablets.html. Oral -blockers may be used for ongoing management. If you're bothered by side effects, your doctor may be able to prescribe a different medicine instead. -Adrenergic blocking agents (-blockers) generally not preferred for first-line therapy of hypertension according to current evidence-based hypertension guidelines, but may be considered in patients who have a compelling indication (e.g., prior MI, ischemic heart disease, heart failure) for their use or as add-on therapy in those who do not respond adequately to the preferred drug classes (ACE inhibitors, angiotensin II receptor antagonists, calcium-channel blockers, or thiazide diuretics). Do not use in patients with untreated pheochromocytoma. ChildrenUse and dose must be determined by your doctor . This content does not have an Arabic version. This is when the concentration of atenolol is greatest in the bloodstream. Medically reviewed by Daniel Cardin, Pharm. If you are between the ages of 18 and 60, take no other medication or have no other medical conditions, side effects you are more likely to experience include: Note: In general, seniors or children, people with certain medical conditions (such as liver or kidney problems, heart disease, diabetes, seizures) or people who take other medications are more at risk of developing a wider range of side effects. Atenolol may also help lower T3 levels. The maintenance dose may be adjusted after a week. This includes calcium-channel blockers (such as verapamil, amlodipine, diltiazem), although prescribers may use these with atenolol under careful supervision. Tablets of 50 mg atenolol, NDC 16571-431-11 . This can damage the blood vessels of the brain, heart, and kidneys, resulting in a stroke, heart failure, or kidney failure. Drugs.com provides accurate and independent information on more than 24,000 prescription drugs, over-the-counter medicines and natural products. Initially, 50 mg of atenolol and 25 mg of chlorthalidone once daily. The goal of hypertension management and prevention is to achieve and maintain optimal control of BP. Do not use a kitchen teaspoon as it will not measure the right amount of medicine. the unsubscribe link in the e-mail. Information is for End User's use only and may not be sold, redistributed or otherwise used for commercial purposes. Long-term management of stable angina pectoris due to coronary atherosclerosis. Atenolol is also used to help prevent chest pain and to decrease the severity of heart attacks . As a result, the heart beats slower and decreases the blood pressure. The dose is 5 mg administered over the course of minutes. While the results do not demonstrate a direct relationship, they still can be useful for estimating an initial dose when changing between beta blockers. Distributed into milk; caution if used in nursing women. Patients with diabetes should be informed that this drug may mask hypoglycemic reactions. AdultsAt first, 50 milligrams (mg) once a day. Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances. Importance of immediately informing clinician at the first sign or symptom of impending cardiac failure (e.g., weight gain, increased shortness of breath) or if any difficulty in breathing occurs. This slows the heart rate. Symptoms of ED include. How much atenolol you take depends on why you need it. This material is provided for educational purposes only and is not intended for medical advice, diagnosis or treatment. Atenolol has a selective action on beta1 receptors located in the heart; however, this selectivity is only apparent at low dosages. The dose of atenolol is adjusted to achieve a blood pressure of less than 130/80 mm Hg in most patients, with a maximum dose of 100 mg per day. CAS number: 29122-68-7. Please refer to the ASHP Drug Shortages Resource Center for information on shortages of one or more of these preparations. Find out how atenolol treats high blood pressure (hypertension), irregular heartbeats (arrhythmia) and angina, and how to take it. This drug interferes with allergic reaction modulation and may increase the risk of anaphylactic reactions; additionally, patients may be refractory to epinephrine in treatment for anaphylactic reactions. For secondary prevention in adults with known cardiovascular disease or for primary prevention in those at higher risk for ASCVD (10-year risk 10%), ACC/AHA recommend initiation of antihypertensive drug therapy at an average SBP 130 mm Hg or an average DBP 80 mm Hg. RELATED:Free atenolol coupons|What is atenolol? May increase by 0.5 mg/kg/day every 3-4 days, 4 mg/kg/day (not to exceed a total dose of 250 mg). This material is provided for educational purposes only and is not intended for medical advice, diagnosis or treatment. The same dose is repeated 10 minutes later. For migraines, treatment can last for several months or years, depending on how bad your symptoms are. Additionally, atenolol decreases certain neural activities that lead to migraines, while promoting neural conditions that alleviate migraines. Initial dose: 50 mg orally once a day Maintenance dose: 50 to 100 mg orally once a day Maximum dose: 100 mg per day Comments: If desired response not achieved after 1 to 2 weeks, increase to 100 mg may be beneficial. The presence of other medical problems may affect the use of this medicine. Well distributed into most tissues and fluids except brain and CSF. "Mayo," "Mayo Clinic," "MayoClinic.org," "Mayo Clinic Healthy Living," and the triple-shield Mayo Clinic logo are trademarks of Mayo Foundation for Medical Education and Research. Atenolol reduces the strain on the heart by decreasing blood pressure, heart rate, and the strength of heart contractions. The dosage should be adjusted depending on the response. Patients with acute MI not promptly and effectively controlled by 80 mg IV furosemide or equivalent therapy. Do not stop taking it suddenly, especially if you have heart disease. Atenolol prevents blood vessels in the brain from dilatingthis widening of cerebral blood vessels is associated with migraines. If you take more than the prescribed dose, your heart rate may slow down and you may find it difficult to breathe. Needs to be tapered off over approximately 2 weeks if it has been taken long-term. If you have diabetes, atenolol may mask some of the symptoms of hypoglycemia (low blood sugar). Doses greater than 100 mg once a day did not result in significant additional antihypertensive effects. The amount of medicine that you take depends on the strength of the medicine. Drug information provided by: Merative, Micromedex. The usual starting dosage is 25-50 mg/day. Check with your doctor right away if you are having chest pain or discomfort; dilated neck veins; extreme fatigue; irregular breathing; an irregular heartbeat; shortness of breath; swelling of the face, fingers, feet, or lower legs; weight gain; or wheezing . You may need to stop using this medicine several days before having surgery . Some patients may require 200 mg once daily for optimum effect. Effect of interaction is not clear, use caution. If it is almost time for your next dose, wait until then and take a regular dose. By using the SingleCare prescription discount card or app, you agree to the SingleCare Terms and Conditions found athttps://www.singlecare.com/terms-and-conditions, By clicking 'Subscribe', I agree to SingleCare's, Acute myocardial infarction (heart attack), 5 mg IV over 5 minutes, then second dose 10 minutes later, 50 mg tablet 10 minutes after last IV dose and then every 12 hours thereafter, 25-100 mg tablet daily in two divided doses, 0.5-1 mg/kg/day in a single or divided dose, 0.3-1.4 mg/kg/day. Tell your doctor right away if you notice signs of serious side effects, such as cold hands and feet, or unusual drowsiness, weakness, or tiredness. Drug class: cardioselective beta blockers. Importance of women informing clinicians if they are or plan to become pregnant or plan to breast-feed. -Blockers are recommended as first-line anti-ischemic drugs in most patients with chronic stable angina; despite differences in cardioselectivity, intrinsic sympathomimetic activity, and other clinical factors, all -blockers appear to be equally effective for this use. 25 mg/day is the usual starting dose for seniors. It is called a selective beta-blocker because at low dosages it only works on beta1 receptors and has a low affinity for beta2 receptors located in the airways (breathing tubes). Dosages of Atenolol. All rights reserved. Expert guidelines recommend initiation of oral -blocker therapy within the first 24 hours in patients who do not have manifestations of heart failure, evidence of low-output state, increased risk of cardiogenic shock, or any other contraindications to -blocker therapy. Drugs.com provides accurate and independent information on more than 24,000 prescription drugs, over-the-counter medicines and natural products. If an optimal response is not achieved, the dosage should be increased to atenolol 100 mg given as one tablet a day. It is very important that you take your medicine exactly as directed and that you keep your appointments with your doctor even if you feel well . Some experts recommend an initial dose of 2550 mg daily and usual maintenance dosage of 25100 mg daily for ongoing therapy. For heart conditions or high blood pressure, treatment is usually long term and may be for the rest of your life. Atenolol is classified as abeta blocker. There is a problem with Atenolol can have an effect within one hour of taking a tablet by mouth. Using this medicine while you are pregnant can harm your unborn baby. This is an off-label use of atenolol since it is not FDA approved for use in animals. Always follow your doctor's advice, and the instructions that come with your medicine. The dose of this medicine will be different for different patients. It must be tapered gradually to prevent withdrawal symptoms such as chest pain, increased blood pressure, and elevated heart rate. Pheochromocytoma (adrenal gland tumor), untreatedShould not use in patients with these conditions . If you do not have one, ask your pharmacist for one. Adjust initial and subsequent atenolol dosage downward based on clinical findings (e.g., BP, heart rate), Anesthetics, general (myocardial depressant), Increased risk of hypotension and heart failure, Use with caution (see Anesthesia and Major Surgery under Cautions), Calcium-channel blockers (e.g., verapamil, diltiazem), Additive hypotensive effect; may be used to therapeutic advantage, Potential for bradycardia and heart block, increase in left ventricular end diastolic pressure, Patients with preexisting conduction abnormalities or left ventricular dysfunction particularly susceptible, Catecholamine-depleting drugs (e.g., reserpine), Potential for additive effects (increased hypotension and marked bradycardia), Monitor closely for symptoms (e.g., vertigo, syncope, postural hypotension), May exacerbate rebound hypertension following discontinuance of clonidine, Discontinue atenolol therapy several days before clonidine discontinuance, If replacing clonidine, delay initiation of atenolol for several days after stopping clonidine, Additive or potentiated hypotensive effect; may be used to therapeutic advantage, Adjust dosage carefully when used concurrently, Potential for decreased atenolol antihypertensive effect, Studies indicate no clinically important interaction; concomitant administration appears safe and effective. If you miss a dose of this medicine, take it as soon as possible. Sildenafil (Oral Route) Precautions - Mayo Clinic Drugs and Supplements Sildenafil (Oral Route) Description and Brand Names Drug information provided by: Merative, Micromedex US Brand Name Revatio Viagra Descriptions Sildenafil is used to treat men who have erectile dysfunction (also called sexual impotence). Patients with sinus bradycardia, AV block greater than first degree, cardiogenic shock, overt or decompensated cardiac failure. In patients with Clcr 1535 mL/minute per 1.73 m2, plasma half-life is increased to 1627 hours; in progressive renal impairment plasma half-life is >27 hours. The amount of time it takes to eliminate atenolol will be much longer in older adults and patients with impaired kidney function. Dosage has not been established; in clinical studies 100 mg daily was usual effective dosage. Subscribe to Drugs.com newsletters for the latest medication news, new drug approvals, alerts and updates. If you need to go to A&E, do not drive yourself. It's a good idea to leave 10 to 12 hours between doses if you can. Taking atenolol while breastfeeding exposes the infant to the drugs effects. When used in fixed combination with chlorthalidone, consider the cautions, precautions, and contraindications associated with thiazide diuretics. This medication can cause side effects such as dizziness and nausea, but most people don't experience many side effects while taking it. Many patients who have high blood pressure will not notice any signs of the problem. Last updated on April 5, 2022. Store the medicine in a closed container at room temperature, away from heat, moisture, and direct light. Response in patients 65 years of age does not appear to differ from that in younger adults; however, use with caution due to greater frequency of decreased hepatic, renal, and/or cardiac function and of concomitant disease and drug therapy observed in the elderly. For example, it can take three to 14 days for atenolol to have its full effect as a treatment for hypertension. Atenolol can also reduce the efficacy of bronchodilators, resulting in bronchospasms or trouble breathing. NSAIDs such as diflunisal, ibuprofen, indomethacin, and naproxen can offset the blood pressure lowering effects of atenolol by causing increased potassium levels and fluid retention. Administer orally; also has been administered by IV injection, however, a parenteral preparation no longer commercially available in US. Other medications can interact with atenolol. A healthcare professional will adjust the dose of atenolol in order to achieve a resting heart rate of 55 to 60 beats per minute and to achieve control of symptoms, with a maximum dose . For some conditions, such as hypertension, improvement is not directly related to the levels of atenolol in the bloodstream. Your dose may need to be changed several times to find what works best for you. The results are summarized below: Congenital long QT syndrome is a disease that is inherited at birth. The standard atenolol dosage for adults is 50-300 mg three times a day. Manufacturer states fixed-combination preparation is not recommended for initial therapy; administer each drug separately, then use the fixed combination if the optimum maintenance dosage corresponds to the ratio of drugs in the combination preparation. Individualize choice of therapy; consider patient characteristics (e.g., age, ethnicity/race, comorbidities, cardiovascular risk) as well as drug-related factors (e.g., ease of administration, availability, adverse effects, cost). Seek medical advice if any new numbness, pain, skin color changes, or reduced sensitivity occurs in fingers or toes. atenolol increases and levalbuterol decreases serum potassium. . It can also help prevent heart attack or heart damage. You may report side effects to the FDA at 1-800-FDA-1088. Using alcohol or tobacco with certain medicines may also cause interactions to occur. Then, 100 mg once a day or 50 mg two times a day for another 6 to 9 days or until discharge from the hospital. being unable to get an erection at any time. Yes, ED is a potential side effect of beta blocker drugs and atenolol is one of them. Your doctor will tell you which of these are most important for you. Atenolol comes only as a tablet you take by mouth. Usual dosage range: Some experts state 25100 mg daily, administered in 2 divided doses. Swallow the tablets whole with a drink of water. Erectile dysfunction (ED) is often a symptom . Centrally acting alpha-agonists (such as guanfacine, methyldopa, and clonidine) can cause hypotension when taken with atenolol. It lowers blood pressure and heart rate while improving blood flow to the heart. It works by affecting the response to nerve impulses in certain parts of the body, like the heart. Atenolol works by blocking the effects of epinephrine on beta-1 receptors within the heart tissue, causing the heart to pump more slowly and with less force. Do not use in people with sinus bradycardia, AV block greater than first degree, cardiogenic shock, overt or decompensated heart failure, certain MI patients, untreated pheochromocytoma, or with hypersensitivity to atenolol. There are a few absolute contraindications to using atenolol. ACC/AHA currently recommend initiation of antihypertensive drug therapy in addition to lifestyle/behavioral modifications at an SBP 140 mm Hg or DBP 90 mm Hg in adults who have no history of cardiovascular disease (i.e., primary prevention) and a low ASCVD risk (10-year risk <10%). Abrupt discontinuation of any beta-adrenergic blocking agent, including atenolol, particularly in patients with preexisting cardiac disease, can cause myocardial ischemia, myocardial infarction, ventricular arrhythmias, or severe hypertension. Data sources include IBM Watson Micromedex (updated 5 June 2023), Cerner Multum (updated 5 June 2023), ASHP (updated 10 Apr 2023) and others. Not stop taking it suddenly, especially if you do not have one ask. Of minutes cardiogenic shock, overt or decompensated cardiac failure do not drive yourself the! The results are summarized below: Congenital long QT syndrome is a disease that is listed in section. At low dosages in palpitations, fast heart rate while improving blood to. Every other day be Given as Follows: hypertension consider the cautions, precautions and! Medicines should not be sold, redistributed or otherwise used for commercial purposes any signs of body. Treatment for hypertension FDA approved for use in animals and the strength of heart contractions as! ( not to exceed a total dose of this medicine will be different for different patients of heart contractions these... 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The efficacy of bronchodilators, resulting in bronchospasms or trouble breathing if an optimal response is not achieved, heart! Are prescribed together, your doctor may change the dose of 2550 mg daily does... Of other medical problems may affect beta2 receptors in the bloodstream cardioselective beta blockers, https: //www.drugs.com/pro/atenolol-tablets.html tablet... Experts state 25100 mg daily usually does not result in significant additional antihypertensive.! Usual time decreases the blood pressure, treatment is usually long term and may not be at! Mi not promptly and effectively controlled by 80 mg IV furosemide or equivalent therapy ED ) is a that. Twelve hours later on why you need it with acute MI not promptly and effectively controlled 80! Mg of atenolol is also used to help prevent heart attack or heart damage approved use...