what does atenolol do to the heart

Precautions

Key facts

• Atenolol slows down your heart rate and makes it easier for your heart to pump blood around your body.
• It can make you feel dizzy, sick or tired, or give you constipation or diarrhoea. ...
• Your very first dose of atenolol may make you feel dizzy, so take it at bedtime. ...
• Do not stop taking atenolol suddenly, especially if you have heart disease. ...

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How does atenolol affect heart rate?

In the total material, atenolol was significantly better than placebo in reducing attacks, whereas propranolol showed no definite such effect. In seven patients the number of headache days was remarkably high (average: 22 headache days in 42 days), which may indicate that they have been inappropriately included in the material or have recorded interparoxysmal headache in addition to attacks.

Is atenolol better than propranolol?

Atenolol is also used to help prevent chest pain and to decrease the severity of heart attacks . This medicine is a beta-blocker. It works by affecting the response to nerve impulses in certain parts of the body, like the heart. As a result, the heart beats slower and decreases the blood pressure.

How does atenolol lower blood pressure?

What are the long term side effects of atenolol? If it continues for a long time, the heart and arteries may not function properly. This can damage the blood vessels of the brain, heart, and kidneys, resulting in a stroke, heart failure, or kidney failure. High blood pressure may also increase the risk of heart attacks.

Can atenolol cause long term heart damage?

What is the purpose of atenolol?

What other drugs will affect atenolol?

How should I take atenolol?

How long does it take for atenolol to work?

What happens if you are allergic to atenolol?

Does atenolol cause shortness of breath?

Is atenolol a part of a diet?

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What effect will atenolol have on heart rate?

Atenolol is a type of medicine called a beta blocker. Like other beta blockers, atenolol works by changing the way your body responds to some nerve impulses, including in the heart. It slows down your heart rate and makes it easier for your heart to pump blood around your body.

Why was atenolol taken off the market?

Atenolol is used to treat various heart conditions including high blood pressure, irregular heartbeats and to prevent angina (chest pain). The recall of Pacific Atenolol 50mg tablets is due to a manufacturing problem.

Can atenolol slow your heart too much?

If you take too much The amount of atenolol that can lead to an overdose varies from person to person. If you take more than the prescribed dose, your heart rate may slow down and you may find it difficult to breathe. It can also make you feel dizzy.

What is a good replacement for atenolol?

Losartan.Hydrochlorothiazide.Metoprolol.Norvasc.Carvedilol.Furosemide.

Which is a common side effect caused by atenolol?

Common side effectsFeeling sleepy, tired or dizzy. As your body gets used to atenolol, these side effects should wear off. ... Cold fingers or toes. Put your hands or feet under warm running water, massage them and wiggle your fingers and toes. ... Feeling sick or being sick (nausea or vomiting) ... Diarrhoea. ... Stomach pain.

How long does 25mg of atenolol stay in your system?

How Long Does Atenolol Stay in Your System? Atenolol peaks in concentration at around three hours in the plasma and has a half-life of six to seven hours. If you stop taking Atenolol, it will take around 32 hours to completely clear out of your system.

Does atenolol calm you down?

What will atenolol do? Atenolol should help you feel calm and relaxed. It could take some time for atenolol to have its full effect. This effect should reduce your behaviour problem.

Is atenolol a good BP Med?

Atenolol (Tenormin) is a good medication for controlling chest pain (angina). It can also lower the chance of death if taken after a heart attack. Though atenolol (Tenormin) can be taken for blood pressure, it is not preferred and is typically only used if other blood pressure medications are not working.

Is atenolol still used?

Atenolol is used alone or together with other medicines (such as hydrochlorothiazide) to treat high blood pressure (hypertension).

Is atenolol a recall?

Issues a Voluntary Nationwide Recall of Atenolol 25 mg Tablets and Clopidogrel 75 mg Tablets Due to a Label Mix-up. When a company announces a recall, market withdrawal, or safety alert, the FDA posts the company's announcement as a public service.

Is atenolol a good BP Med?

Atenolol (Tenormin) is a good medication for controlling chest pain (angina). It can also lower the chance of death if taken after a heart attack. Though atenolol (Tenormin) can be taken for blood pressure, it is not preferred and is typically only used if other blood pressure medications are not working.

Which is better metoprolol or atenolol?

Metoprolol showed a more significant reduction in risk of cardiovascular mortality as compared to atenolol. Metoprolol also showed a decreased trend for all-cause mortality and coronary heart disease. When evaluated for a decrease in risk of stroke, metoprolol proved to be superior to atenolol as well.

Atenolol 50 MG Tablet - Uses, Dosage, Side Effects, Price ... - Practo

Atenolol 50 MG Tablet is a medicine that contains Atenolol. It is used to treat high blood pressure, angina pectoris (chest pain or discomfort caused when your heart muscle does not get enough oxygen-rich blood), arrhythmias (irregular heartbeat), thyrotoxicosis (the symptoms caused by the over secretion of the thyroid hormone). It is also used to reduce strain on the heart following a heart ...

Atenolol for Anxiety - Is Tenormin Beta Blocker good for Anxiety?

Final Thoughts on Atenolol as a Treatment for Anxiety. Beta-blockers, including Atenolol (also known as Tenormin), show strong potential for treating the symptoms of social anxiety, performance anxiety and similar afflictions.. While Atenolol and other beta-blockers are not officially approved for treating anxiety, there are a large number of people who take them for this reason and report ...

Atenolol Side Effects: Common, Severe, Long Term - Drugs.com

Atenolol Side Effects. Medically reviewed by Drugs.com. Last updated on Mar 18, 2022. Consumer; Professional; FAQ; Summary. Commonly reported side effects of atenolol include: cardiac failure, bradycardia, dizziness, fatigue, and cold extremity. See below for a comprehensive list of adverse effects.

Atenolol: 7 things you should know - Drugs.com

Drugs.com provides accurate and independent information on more than 24,000 prescription drugs, over-the-counter medicines and natural products. This material is provided for educational purposes only and is not intended for medical advice, diagnosis or treatment. Data sources include IBM Watson Micromedex (updated 12 Oct 2022), Cerner Multum™ (updated 21 Sep 2022), ASHP (updated 12 Oct 2022 ...

Atenolol (Oral Route) Side Effects - Mayo Clinic

Atenolol is also used to help prevent chest pain and to decrease the severity of heart attacks . This medicine is a beta-blocker. It works by affecting the response to nerve impulses in certain parts of the body, like the heart.

Atenolol: MedlinePlus Drug Information

Atenolol comes as a tablet to take by mouth. It is usually taken once or twice a day. To help you remember to take atenolol, take it around the same time(s) every day.

What is atenolol used for?

Atenolol is a medication that is used to treat certain heart conditions.

How long does it take for atenolol to work?

Usual starting dosage is 25-50 mg/day. Takes one to two weeks for the full hypotensive effect to be seen. No dosage adjustment is needed in liver disease. Atenolol has a selective action on beta1 receptors located in the heart; however, this selectivity is only apparent at low dosages.

Why is atenolol called a selective beta blocker?

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). 2. Upsides. Atenolol may be used in the treatment of high blood pressure (hypertension).

What medications interact with Atenolol?

Common medications that may interact with atenolol include: alpha-blockers such as doxazosin or terazosin. indigestion and heartburn medications, such as cimetidine and ranitidine. insulin. methylphenidate.

What medications can lower blood pressure?

methylphenidate. other medications including celecoxib, clonidine, hydralazine, and rifampicin. NSAIDs, such as diclofenac, ibuprofen, and indomethacin, may decrease the blood pressure-lowering capabilities of atenolol. some medications used to treat mental illness, such as thioridazine.

What are the side effects of taking a med?

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: Slow heartbeat, dizziness, fatigue, cold extremities and heart failure are the most commonly reported side effects.

Does atenolol cause liver problems?

May cause changes in liver enzymes, headache, hallucinations, and impotence. Cardioselectivity of atenolol is not absolute, and at dosages higher than 50mg/day atenolol is more likely to inhibit beta2 receptors, mostly located in the bronchial and vascular musculature.

What is atenolol used for?

Atenolol is used to treat high blood pressure and chest pain. It can also help prevent heart attack or heart damage after a heart attack.

What happens if you don't take atenolol?

If you don’t take It: If you have high blood pressure or chest pain and don’t take your atenolol, you risk: increasing your blood pressure, damaging your blood vessels or main organs, such as your lungs, heart, or liver, and increasing your risk of a heart attack.

How long can MAOIs be taken after taking atenolol?

MAOIs can continue to interact with atenolol for up to 14 days after taking them. Examples of MAOIs include:

Why do seniors need a smaller amount of atenolol?

For seniors: Seniors may need a smaller dosage of atenolol at first because they can be more sensitive to the way medications act in their body. Also, as people age, they sometimes have a harder time clearing drugs from their body. After a low initial dosage, their dosage may then increase gradually.

How does beta blocker work?

Beta blockers prevent adrenaline from affecting beta receptors in your blood vessels and heart. This causes blood vessels to relax. By relaxing the vessels, beta blockers help to lower blood pressure and reduce chest pain. They also help to decrease the heart’s demand for oxygen.

Is atenolol a prescription drug?

Atenolol is a prescription drug. It comes as a tablet you take by mouth.

Can atenolol cause allergies?

Atenolol can cause a severe allergic reaction. Symptoms can include:

What are the symptoms of atenolol toxicity?

Symptoms of atenolol toxicity may include bradycardia, lethargy, hypotension, respiratory drive disorders, hypothermia, hypoglycemia, and/or seizures. Treatment of beta-blocker toxicity is primarily supportive. Any unabsorbed drug (if administered orally) is removable by gastric lavage or activated charcoal (within 1 to 2 hours), while hemodialysis can remove atenolol from general systemic circulation. [17]

How many mg of atenolol is in a tablet?

Atenolol is available in 25 mg, 50 mg, and 100 mg tablets for oral administration or 0.5 mg/mL for intravenous injection. The dosage and route of administration vary depending on the indication.

Why is atenolol not used during breastfeeding?

American Academy of Pediatrics advises against the use of atenolol during breastfeeding due to the risk of neonatal hypoglycemia and bradycardia. [15]

Does atenolol block beta-1?

Cardioselective beta-1-adrenergic antagonists such as atenolol work by selectively binding to the beta-1 adrenergic receptors found in vascular smooth muscle and the heart, blocking the positive inotropic and chronotropic actions of endogenous catecholamines such as isoproterenol, norepinephrine, and epinephrine, thereby inhibiting sympathetic stimulation.[2] This activity results in a reduction in heart rate, blood pressure and decreases myocardial contractility. However, in heart failure patients, atenolol can increase the end-diastolic pressure and left ventricular fiber lengths - conversely resulting in increased oxygen demand.

Is atenolol hepatic or renal?

Unlike its other beta-1-blocking counterparts, there is little hepatic metabolism of atenolol - it is primarily renally excreted. Therefore, while no hepatic dosage adjustment is needed, it is imperative to assess renal function before starting treatment, with regular monitoring throughout the duration of treatment. In addition, impaired glomerular function results in a significant accumulation of the drug in the body; therefore, patients with creatinine clearance under 35 mL/min should receive much lower doses. [7]

Is atenolol contraindicated for heart failure?

Contraindications to atenolol include sinus bradycardia, second or third-degree heart block, cardiogenic shock, heart failure, severe peripheral arterial disease, metabolic acidosis, and pheochromocytoma. It should also be avoided in patients with a history of asthma, bronchospasm, or other obstructive airway diseases unless there is no alternative, in which case it may be given alongside a bronchodilator. [13][14]

Does atenolol have a membrane stabilizing effect?

In higher doses, it also exerts its effects by competitively blocking beta-2-adrenoreceptors, primarily located in the bronchial and vascular musculature. It has no membrane stabilizing or intrinsic sympathomimetic activity. Atenolol has low lipid solubility, resulting in reduced brain penetrance, resulting in fewer CNS side effects. [3]

What is atenolol used for?

Atenolol is also used to help prevent chest pain and to decrease the severity of heart attacks .

How to treat high blood pressure?

In addition to the use of this medicine, treatment for your high blood pressure may include weight control and changes in the types of foods you eat, especially foods high in sodium. Your doctor will tell you which of these are most important for you. You should check with your doctor before changing your diet .

Is there a study on the effects of atenolol on the pediatric population?

Appropriate studies have not been performed on the relationship of age to the effects of atenolol in the pediatric population. Safety and efficacy have not been established .

Can atenolol make you less alert?

This medicine may cause some people to become less alert than they are normally. If this side effect occurs, do not drive, use machines, or do anything else that could be dangerous if you are not alert while taking atenolol .

Can atenolol cause heart failure?

Atenolol may cause 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; an irregular heartbeat; shortness of breath; swelling of the face, fingers, feet, or lower legs; weight gain; or wheezing .

Does a beta blocker lower heart rate?

Lower HR and BP: It is a beta blocker and it lowers the heart rate and reduces blood pressure.

Can you take atenolol with a tachycardia?

YES: Suddenly stopping atenolol -- a beta blocker --can cause a rebound tachycardia which is a sudden increase in your heart rate . Suddenly stopping this medication could lead to elevation of blood pressure.

What are the side effects of Atenolol?

Atenolol side effects. Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat. Call your doctor at once if you have any of these serious side effects: slow or uneven heartbeats; feeling light-headed, fainting;

Why is atenolol given?

They gave me atenolol specifically because it would slow the heart rate. From the literature: Blocks beta receptors, primarily affecting heart (slows rate), vascular system (decreases BP), and, to lesser extent, lungs (reduces function). Teach patient how to take pulse and instruct patient to check before taking drug.

Does atenolol cause shortness of breath?

cold feeling in your hands and feet. Less serious atenolol side effects may include:

Does atenolol slow down the heart?

Atenolol is a cardioselective beta blocker. It is one of them that won't slow your heart.

Does atenolol lower heart rate?

atenolol does lower heart rate. That is one reason it is giving to a patient who has coronary problems. I was prescribed 1/2 of a 25 mg dosage (12.5 mgs) and it put my heart rate in the 50's which it also caused me to be lightheaded and on the verge of passing out.

What are the side effects of atenolol?

Commonly reported side effects of atenolol include: cardiac failure, bradycardia, dizziness, fatigue, and cold extremity. See below for a comprehensive list of adverse effects.

What is the clinical significance of elevated ANA levels?

The clinical significance of elevated ANA levels is unknown. [ Ref]

Does atenolol cause blurred vision?

Along with its needed effects, atenolol may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention. Check with your doctor immediately if any of the following side effects occur while taking atenolol: More common. Blurred vision.

Does atenolol need medical attention?

Side effects not requiring immediate medical attention. Some side effects of atenolol may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine.

What is the purpose of atenolol?

Atenolol is used to treat angina (chest pain) and hypertension (high blood pressure). Atenolol is also used to lower the risk of death after a heart attack.

What other drugs will affect atenolol?

Tell your doctor about all your current medicines and any you start or stop using, especially:

How should I take atenolol?

Take atenolol exactly as it was prescribed for you. Follow all directions on your prescription label. Your doctor may occasionally change your dose to make sure you get the best results. Do not use this medicine in larger or smaller amounts or for longer than recommended.

How long does it take for atenolol to work?

It may take up to 2 weeks before you get the full effect of atenolol. Keep using the medication as directed and tell your doctor if you feel any new symptoms. You should not stop taking atenolol suddenly. Stopping suddenly may make your condition worse.

What happens if you are allergic to atenolol?

Get emergency medical help if you have signs of an allergic reaction to atenolol: hives; difficult breathing; swelling of your face, lips, tongue, or throat.

Does atenolol cause shortness of breath?

shortness of breath (even with mild exertion), swelling, rapid weight gain; or. a cold feeling in your hands and feet. Common atenolol side effects may include: dizziness; feeling tired; or. depressed mood. This is not a complete list of side effects and others may occur.

Is atenolol a part of a diet?

Atenolol is only part of a complete program of treatment for hypertension that may also include diet, exercise, and weight control. Follow your diet, medication, and exercise routines very closely if you are being treated for hypertension.

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