Atenolol

Atenolol

Atenolol is an FDA-approved beta-blocker used to manage high blood pressure and angina and reduce risks post-heart attack. By blocking adrenaline’s effect on beta receptors in the heart, it lowers blood pressure, reduces heart rate, and alleviates stress on the heart. Atenolol requires careful dosage adjustments, particularly for seniors and those with kidney disease. It is not recommended for children or during pregnancy without medical advice. However, like all medications, Atenolol can cause certain reactions if not taken properly. Therefore, if you plan to buy Atenolol online, consult a medical professional before using this medicine. Doing so may reduce potential risks. Moreover, the medicine also comes under the brand name Tenormin. To avoid adverse interactions, patients should consult healthcare providers before combining Atenolol with other medications.

Product Overview

Atenolol is primarily prescribed to treat chest pain (angina) and high blood pressure (hypertension) and to improve survival after a heart attack. As a beta-blocker, this medication works by blocking the action of some natural chemicals in the body, like adrenaline, on the heart and blood vessels. This action helps to lower heart rate, blood pressure, and strain on the heart. The medication comes in oral tablet form and is taken once daily, with doses varying based on the condition being treated. 

While Atenolol is effective for adults, it has not been adequately studied in children and is not recommended for use in patients under 18 years old. Moreover, for older patients, doctors may recommend a low dosage at the start due to the slow processing of the drug. Atenolol is generally safe but can interact with other medications, including certain antihypertensives, antivirals, and diabetes medications, potentially requiring dose adjustments or additional monitoring. Patients who have a history or still have severe allergic reactions to Atenolol components, chronic respiratory conditions, severe heart disorders, or those pregnant or breastfeeding should discuss risks with their healthcare provider.

Atenolol’s effectiveness in managing heart conditions while maintaining a relatively low profile of side effects makes it a staple in cardiovascular therapy. Despite its benefits, it may cause certain side effects ranging from mild, such as tiredness and dizziness, to more severe, including shortness of breath and heart complications. While common side effects do not require immediate medical assistance, severe effects should not be overlooked, as they may lead to life-threatening situations. Therefore, when searching for affordable Atenolol for blood pressure management, talk to a medical expert to minimize potential risks. 

What Are the Main Uses of Atenolol?

Atenolol is approved for the following uses:

• Lowering high blood pressure (hypertension)
• Alleviating angina (chest pain)
• Reducing the workload of the heart muscle after a heart attack
• Over-the-counter use for migraines

What Are the Different Forms & Strengths of Atenolol?

It comes in the following forms & strengths:

• Tablet: 25, 50, and 100 mg 
• IV Infusion: 5 mg/10 mL

What Is the Recommended Dosage for Atenolol?

The daily doses of Atenolol for different patients may vary depending on their age and the severity of their medical condition. Therefore, patients must consult a medical expert before using Atenolol for arrhythmia treatment. The following section includes only the average doses of the medication. If your recommended dose varies, do not change it without consulting your doctor.

Dosage for High Blood Pressure & Angina

• Adults (18 to 64 Years): The typical dose is 50 mg once a day. Your doctor may adjust the dosage if necessary.
• Children (Below 17 Years): It is not recommended for anyone under 18 years old.
• Senior Patients (Above 64 Years): There are no specific dosage guidelines for seniors. Older adults may metabolize drugs more slowly, leading to higher than normal drug levels in the body. If you are a senior, you might need a lower dose or maybe a different dosing schedule.

Dosage After a Heart Attack

• Adults (18 to 64 Years):  Post-heart attack dosing of this drug is customized for each patient based on the specific circumstances & outcomes of the heart attack. Doctors will assess your heart function and blood pressure regularly to determine the right dosage. Initially, treatment usually begins in the hospital setting. Atenolol is commonly prescribed at 100 mg per day, which may be taken as a single dose or split into two doses. Adjustments to the dosage may be made as needed.
• Senior Patients (Above 64 Years): Specific dosage guidelines for seniors are not available. Older adults often metabolize medications more slowly, which may lead to higher medication levels in the body. Seniors may require a reduced dosage or an altered dosing schedule.

[Note: Remember these recommendations may vary from person to person. Discuss it with your doctor, and they’ll customize your dosage accordingly.]

How to Take Atenolol?

Proper administration is an important factor to ensure the safe and effective use of any medicine. So when planning to buy Atenolol online from Canada or any other place, be aware of the following administration steps:

• Follow all the instructions on your prescription label & read any medication guides or instruction sheets provided. 
• When you start your treatment, your doctor may advise taking the first dose at night, as the medicine may make you dizzy. 
• If you don’t feel dizzy after the first dose, you can take the tablets in the morning.
• When taking two doses, try to take the first one in the morning and the next in the evening. Leaving a gap of 10 to 12 hours between the doses makes the medicine more effective. 
• Take the tablets as a whole, with or without food, as your doctor advises. 
• Do not crush, chew, split, or break the tablet. Doing so may release the drug at once, causing potential side effects.
• If you are unable to swallow, talk to your doctor.
• Remember to take the medicine at the same time every day to get the best results from the treatment.

[Note: Your doctor will decide the right amount for you based on your condition, following guidelines and studies on the drug. They’ll adjust it as needed over time.]

What Is the Mechanism of Action of Atenolol?

Atenolol is part of a group of medications known as beta blockers. These medications have a similar way of working and are often used to treat health issues. Beta receptors, which are found on heart cells, react to adrenaline by raising blood pressure and heart rate. Atenolol blocks adrenaline from reaching these receptors in the heart and blood vessels. This blockage helps the blood vessels to widen or relax. When the vessels relax, it helps to lower blood pressure and lessen chest pain.

Additionally, it reduces the heart’s need for oxygen. Beta-blockers don’t cure high blood pressure or chest pain but are used to manage their symptoms. Atenolol starts to act immediately once taken, and its effects last for about 24 hours. Therefore, it is important to take Atenolol consistently every day to maintain its effectiveness.

Important Safety Information for Using Atenolol

What Are the Side Effects of Atenolol?

Common Side Effects of Atenolol: Like all medications, Atenolol can cause certain side effects. These effects are usually temporary and happen in the initial phase of the treatment. However, the symptoms subside within a few days or a couple of weeks. If the side effects become severe or persist over a long time, contact your medical provider. Some of these common side effects may include:

• Breath Shortness: Atenolol can make breathing difficult in many patients. This side effect occurs as the medication slows down the heart rate and reduces oxygen reaching the lungs. This reaction is temporary and can be managed easily by adjusting the dosages under medical supervision. In the meantime, avoid extreme activities until you consult your doctor.
• Dizziness: It can occur because Atenolol lowers blood pressure, reducing blood flow to the brain. This is a common side effect and may lessen over time once your body adjusts to the effects of the drug. To avoid dizziness, do not make sudden movements & get up slowly from a sitting or lying position. 
• Constipation: This medication can disrupt the digestive system, leading to constipation. To manage this side effect, increase your intake of fiber-rich foods, drink a lot of water & include physical activity in your daily routine.
• Leg Pain: Many patients experience pain in their legs during their treatment. This results from poor blood circulation because of the drug’s blood pressure-lowering effects of Atenolol. To avoid this side effect, regular exercise is recommended, as it helps improve circulation. However, if the pain becomes extreme, contact your doctor. They may adjust your dose accordingly.
• Libido: Atenolol can reduce blood flow and nerve impulses, affecting sexual function. Many users have reported this side effect. If you are one of them, discuss any changes with your doctor. They may suggest some lifestyle changes and adjust the dosage as per your requirements.
• Feeling of Coldness in the Hands and Feet: Reduced blood circulation caused by Atenolol can lead to a sense of coldness in the extremities. This effect is temporary and subsides within a few days or weeks. To manage this side effect, wear appropriate clothing and use heating pads if necessary.
• Hypotension: This medication can reduce your blood pressure, which often results in abnormally low blood pressure. So, when considering Atenolol for arrhythmia treatment, monitor your blood pressure regularly & report any changes to your doctor.
• Diarrhea: Atenolol can impact your digestive system, often resulting in diarrhea. Persistent watery or loose stools can further lead to dehydration, so drink plenty of water. 
• Unusual Tiredness: Many patients reported unusual tiredness after taking this medication. This happens as the drug reduces the heart rate and blood pressure, often leading to decreased energy levels. This side effect is temporary and does not require immediate medical assistance. Just take proper rest and maintain a balanced diet. 
• Headaches: Atenolol can cause headaches due to changes in blood flow and pressure caused by the medication. The pain may range somewhere between mild to moderate, which usually lessens over time. To minimize the headache, stay hydrated, manage stress, and avoid headache triggers. Additionally, you can also take over-the-counter pain relievers as your doctor prescribes.

Serious Side Effects of Atenolol: Other than the above common reaction, Atenolol can lead to severe side effects, which, if left untreated, can cause life-threatening situations. Therefore, when considering Atenolol for heart disease treatment, you should be aware of the signs that may worsen the condition. If you notice any unusual symptoms during your treatment, seek immediate medical attention. Some of these serious side effects may include:

• Depression: This medication can affect your central nervous system and alter neurotransmitter levels. This side effect is serious and requires immediate medical assistance if you suspect any of the following signs:
  • Anxiety
  • Fatigue
  • Difficulty concentrating
  • Persistent feelings of sadness or hopelessness
• Heart Problems: Atenolol can cause heart problems, especially when stopped abruptly. The risk is even higher in people with coronary artery disease (CAD), causing a sudden increase in heart rate and blood pressure. As a result, patients may experience cardiogenic shock or cardiac arrest. If you are noticing any of the following symptoms, consult your doctor right away. 
  • Elevated heart rate
  • Breathing faster than usual
  • Low blood pressure
  • Sweating
  • Loss of consciousness
• Severe Allergic Reaction: When considering Atenolol for heart disease treatment, you may be aware of the allergic reaction it may cause. This side effect is not experienced by every patient, but people with extreme sensitivity are at higher risk. Therefore, patients must inform their doctor of any known allergies before starting this medication. If you experience any of the below signs, discontinue the medicine & talk to your doctor immediately.
  • Swelling of the ankles, hands, and feet
  • Large & red rash on the skin
  • Fever
  • Swelling of the tongue or throat, causing difficulty breathing
• Weight Gain: While rare, Atenolol can cause weight gain in certain patients. If you are noticing sudden body changes during your treatment, seek immediate medical assistance. Your doctor may adjust the medicine or suggest lifestyle changes to help manage this side effect.

[Note: Remember, this list may not cover all possible side effects. Always consult with your healthcare giver for medical advice about side effects.]

Are There Any Warnings for Atenolol?

Yes, Atenolol has several warnings, which, if overlooked or left untreated, can lead to life-threatening situations. Therefore, when planning to buy Atenolol online, be aware of the following warnings to minimize the risk of potential side effects:

• Hyperthyroidism: Atenolol can conceal crucial symptoms of an overactive thyroid, such as a rapid heartbeat. Abruptly stopping the medication can intensify these symptoms and may become life-threatening. It is important not to discontinue Atenolol without consulting your healthcare provider.
• Allergy Warning: Atenolol may cause a severe allergic reaction. If you experience these symptoms, immediately call 911 or go to the nearest emergency room. If you have previously had an allergic reaction to Atenolol, do not take it again, as it could be life-threatening. Symptoms of such a reaction include:
  • A large, red rash
  • Fever
  • Swelling of the hands, feet, and ankles
  • Swelling on the throat or tongue makes it difficult to breathe.
• Asthma or COPD Warning: People who have asthma or COPD are generally advised not to take Atenolol. In some cases, a doctor might prescribe it, but only in small doses and under strict supervision. Atenolol is designed to block beta receptors on heart cells. However, at higher doses, it can also block other types of beta receptors located in the airways. This can cause the airways to narrow, potentially worsening asthma or COPD symptoms.
• Diabetes Warning: Atenolol may hide important signs of low blood sugar, such as shaking and an increased heart rate. These signs are crucial for recognizing when your blood sugar levels are dangerously low. Without these indicators, it might be more difficult to detect and respond to a drop in blood sugar.
• Poor Circulation Warning: If you suffer from poor circulation, particularly in your hands and feet, taking Atenolol could worsen your symptoms. This medication lowers blood pressure, which can reduce blood flow to your extremities, potentially aggravating circulation problems.
• Warning for Untreated Pheochromocytoma: A pheochromocytoma is a type of tumor that can cause your body to produce excessive amounts of catecholamines, which are a type of hormone. If Atenolol is taken by someone with an untreated pheochromocytoma, it can lead to serious complications. The medication might cause severe spikes in blood pressure and could also result in pulmonary edema, where the lungs fill with fluid. It’s crucial to inform your doctor if you have a pheochromocytoma before starting treatment with Atenolol.

What Are the FDA Boxed Warning for Atenolol?

FDA-boxed warnings are the most stringent warning issued by the Food & Drug Administration. These guidelines are used to alert doctors and patients to potential serious side effects of a medication. Atenolol carries a black box warning that states that abrupt discontinuation of Atenolol can worsen chest pain, increase blood pressure, and even result in a heart attack. Therefore, patients are advised not to stop taking their medication even if they feel well. If the discontinuation is necessary, consult a medical professional. They will adjust the dosage gradually, minimizing the risk of adverse side effects.

What Are the Precautions for Atenolol?

When using Atenolol for arrhythmia treatment, patients must be aware of particular precautions to reduce the risk of potential side effects. Here are some important safety precautions:

• You should not use Atenolol if you are allergic to it or if you have certain serious heart conditions, including:
  • “AV block” (second or third degree), which is a type of heart rhythm problem;
  • Unusually slow heartbeats;
  • Heart failure;
  • Inadequate heart function, where your heart is unable to pump blood effectively.
• Before starting Atenolol, it’s important to ensure it’s safe for you. Inform your doctor if you have any of the following:
  • Congestive heart failure;
  • Coronary artery disease (hardened arteries);
  • Respiratory conditions like asthma, bronchitis, or emphysema;
  • Diabetes;
  • Overactive thyroid;
  • Liver or kidney disease;
  • Pheochromocytoma (a tumor on the adrenal gland);
  • Peripheral vascular disease, such as Raynaud’s syndrome;
• Atenolol may pose risks during pregnancy. If you are pregnant or become pregnant while taking this medication, it’s crucial to inform your doctor.
• Additionally, Atenolol can transfer into breast milk and potentially harm a nursing infant. If you are breastfeeding, make sure to discuss this with your doctor.
• Atenolol is not approved for use in individuals under 18 years of age.
• If you are undergoing surgery or other medical procedure that includes anesthesia use, inform your surgeon that you are taking Atenolol. Doing so is important as beta-blockers may increase the risk of side effects from anesthesia. 
• This medication can make you dizzy, so patients must avoid driving, using heavy machines, or engaging in activities that require alertness. 
• Before using this medication, tell your doctor about the products you are using. This includes all prescription medicines, over-the-counter drugs, and herbal supplements.

What Are the Contraindications of Atenolol?

Individuals with the following conditions should not use this medication due to the potential for severe adverse effects:

• Known allergy to the drug
• Persistent low heart rate (bradycardia)
• Poor blood circulation due to heart failure
• Pregnancy
• Breastfeeding mother
• Clinical depression
• Second or third-degree heart block
• Tumor of the adrenal gland called pheochromocytoma

What If You Miss a Dose of Atenolol?

• If you miss a dose of Atenolol, contact your doctor’s office for advice. 
• Your doctor or their medical staff will guide you on the best time to take your next dose. 
• To prevent missing doses in the future, consider setting a reminder on your phone. 
• Using a kitchen timer can also be an effective way to remember your medication schedule.

[Note: If you have missed a dose of your medication and are unsure about when to take the next one, immediately consult your doctor or pharmacist.]

What Happens When You Too Much of Atenolol?

If you take too much of your drug or seek symptoms of an overdose, seek immediate medical attention or contact the Poison Help line. Symptoms of overdose may include:

• Extreme weakness or fatigue
• Very slow heart rate
• Shortness of breath
• Fainting

Prompt medical intervention is crucial if you suspect an overdose of Atenolol to prevent serious complications.

[Note: If you consumed more than the recommended dose, get medical help right away or call the Poison Help line at 1-800-222-1222.]

How Should Atenolol Be Stored?

A controlled environment is a must to maintain the long-term effectiveness of any medicine. If you plan to buy Atenolol online, follow the below storage guidelines:

• Always keep the drug at a normal temperature, preferably between 20 to 25°C.
• Store your medicine in a tightly closed container that blocks light.
• Always make sure it’s stored away from extreme heat and moisture.
• Keep the medication away from the sight and reach of children.
• Discard when the medicine has expired or has not been in use for a long time.
• Ask a medical expert how to dispose of the product safely without damaging the environment.

[Note: Discuss with your healthcare professional about the proper disposal of any unused medicine and any questions you may have regarding its storage.]

What Are the Atenolol Interactions?

Atenolol has the potential to interact with several other medications. These interactions can lead to various effects. For example, some interactions may reduce the effectiveness of a drug, while others may increase side effects or make them more severe. Some of the drugs that can interact with Atenolol are as follows:

• Disopyramide: Combining Atenolol with disopyramide (Norpace, Rythmodan) can lead to a dangerously slow heart rate. If you need to take disopyramide while using Atenolol, your doctor will closely monitor your heart function during treatment to ensure your safety.
• Calcium Channel Blockers: Combining blood pressure drugs (known as calcium channel blockers) with Atenolol can potentially lead to excessively low blood pressure and heart rate. Examples of calcium channel blockers include:
  • Diltiazem hydrochloride (Tiazac, Cardizem CD)
  • Amlodipine besylate (Lotrel, Norvasc)
• Amiodarone: Taking Atenolol with amiodarone (Pacerone, Nexterone) can also result in a slow heart rate. If you require treatment with amiodarone while using Atenolol, your doctor will closely monitor your heart function to manage any potential adverse effects.
• Drugs that Lower Prostaglandin Levels: Combining Atenolol with medications that lower prostaglandin levels may reduce Atenolol’s effectiveness in treating high blood pressure. Prostaglandins are substances in the body that have hormone-like effects. If Atenolol is less effective, it may not effectively lower blood pressure as usual. An example of a medication that lowers prostaglandin levels is the pain reliever indomethacin (Indocin). 
• Clonidine: If you are taking both Atenolol and clonidine (Catapres), it’s important to consult your doctor before discontinuing either medication, as this medication is used to treat high blood pressure. Suddenly stopping either Atenolol or clonidine could lead to a sudden increase in blood pressure, a condition known as rebound hypertension. Therefore, it’s crucial to discuss any changes in your medication regimen with your primary caregiver to avoid potential complications.
• Drugs that Lower Catecholamine Levels: Taking Atenolol alongside medications that lower your catecholamine levels can result in excessively low blood pressure and heart rate. Catecholamines are specific types of hormones. Combining these medications may exacerbate these effects. Examples of medications that lower catecholamine levels include:
  • Clonidine (Catapres), prescribed for high blood pressure
  • Reserpine (Serpasil), prescribed for high blood pressure
  • Disulfiram (Antabuse), prescribed for alcohol misuse
• Digitalis Glycosides: Combining Atenolol with certain heart medications known as digitalis glycosides can result in a dangerously slow rate of heartbeat. An example of a digitalis glycoside drug is Lanoxin (digoxin). 

What Are the Other Atenolo Interactions?

Other than the above drugs, taking Atenolol while having the following diseases may also cause potential side effects: 

• Hemodialysis
• Renal dysfunction
• Bradyarrhythmia/AV block
• Cardiogenic shock/hypotension
• CHF
• Diabetes
• Hypersensitivity
• Ischemic heart disease
• PVD
• Cerebrovascular insufficiency
• Glaucoma
• Hyperlipidemia
• Hyperthyroidism
• Myasthenia gravis
• Pheochromocytoma
• Psoriasis
• Tachycardia
• Asthma/COPD

[Note: This isn’t a complete list, and there could be other drugs that interact with Atenolol. Make sure to tell your doctor about any prescription, over-the-counter medicines, and herbal products you’re taking.]

What Are the Drug Replacements for Atenolol?

People often choose drug alternatives or replacements when they are not getting the desired results. While many substitutes are available on the market, it is important to consult a doctor. They will examine your condition & determine the best possible option as per each individual’s body. Here are some of the drug alternatives to Atenolol:

• Prinivil (lisinopril)
• Cozaar (losartan)
• Zestril (lisinopril)
• Lopressor (metoprolol tartrate)
• Lotrel (amlodipine besylate)
• Norvasc (amlodipine besylate)
• Durlaza (aspirin)
• Cardizem CD (diltiazem hydrochloride)
• Lasix (furosemide)
• Tiazac (diltiazem hydrochloride)
• Microzide (hydrochlorothiazide) 
• Coreg (carvedilol)
• Aldactone (spironolactone)
• Bayer Buffered Aspirin (aspirin)
• Hydralazine
• Lipitor (atorvastatin)
• Minipress (prazosin)
• Nitrostat (nitroglycerin)

[Note: Your doctor will choose what’s best for you. Don’t use any of these alternative medications without consulting your healthcare provider. Taking them by yourself may cause serious side effects.]

Atenolol Cost & Coupons

Atenolol is an effective beta blocker medication, but its high retail prices can be a concern for people across the US. To manage these expensive costs, many Americans turn to services like Polar Bear Meds for affordable medicines. Moreover, the pharmacy also offers additional saving options by providing coupons to its customers. If you are a US resident, buy Atenolol with coupon code “WELCOMEPB10” and get a discount of 10% on your first order. Get quality medication delivered directly from Canada and effectively manage your monthly healthcare bills.

Frequently Asked Questions

Does Atenolol lower blood pressure quickly?

Yes, Atenolol typically starts to lower high blood pressure after about 3 hours of taking it, but it may take up to 2 weeks to reach its full effectiveness. It’s important to continue taking the medication as prescribed, even if you don’t feel any immediate changes in your blood pressure.

Does Atenolol cause weight gain?

Yes, it is possible for Atenolol to cause weight gain as a side effect. On average, weight gain associated with beta-blockers like Atenolol is about 2.6 pounds (1.2 kilograms). This side effect is more common with older beta-blockers such as Atenolol and metoprolol. If you have concerns about weight gain while taking Atenolol, it’s important to discuss them with your healthcare provider.

Does Atenolol thin your hair?

It is possible that Atenolol, a type of blood pressure medication known as a beta-blocker, may cause thinning of the hair. This is because certain blood pressure medications, like beta-blockers, have been associated with hair loss, a condition known as telogen effluvium. Some other commonly prescribed beta-blockers besides Atenolol include propranolol, metoprolol, timolol, nadolol, and others.

Does Atenolol affect sleep?

Beta-blockers like metoprolol (Lopressor, Toprol XL) and Atenolol are mainly prescribed to manage high blood pressure or irregular heartbeats. One potential side effect is that these medications may lower the body’s natural melatonin levels. Melatonin is a hormone that helps regulate your sleep-wake cycle.

Our Guarantee

At PolarBearMeds.com, we assure you the most affordable price to buy Atenolol from Canada. Rest easy knowing that your order will be dispatched from a reputable licensed Canadian pharmacy, adhering to the highest standards of quality and authenticity. Our discounted medications are shipped directly from Canada to your doorstep, ensuring a swift and secure delivery experience. To conveniently access Atenolol online at a substantial cost, call us at 1-888-779-2193 toll-free.