Atenolol - Uses, Side Effects, Warnings, and More

Atenolol – Uses, Side Effects, Warnings, and More

Atenolol – Uses, Side Effects, Warnings, and More

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It is possible to manage high blood pressure with atenolol alone or in combination with other drugs (hypertension). Strokes, heart attacks, and kidney problems can all be avoided by treating high blood pressure and lowering it. This medicine is also prescribed to patients suffering from chest pain (also known as angina) to boost their chances of surviving a heart attack.

Beta-blockers are a class of medications, and atenolol is a member of that group. It accomplishes this by inhibiting the effect that the body’s own naturally occurring substances, such as epinephrine, have on the cardiovascular system, specifically the heart. This effect reduces the strain placed on the heart, as well as the heart rate and blood pressure.

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The correct way to take atenolol

Please also see the section labeled Warning.

You should take this medication by mouth as suggested by your physician, usually once or twice daily. It can be taken with or without food.

It’s possible that drinking apple juice or orange juice will inhibit your body from absorbing all of the atenolol you take. If you are taking atenolol, it is advised to wait at least four hours before consuming apple or orange juice, unless your healthcare provider or pharmacist informs you differently.

Your current health status and how well you respond to treatment will determine the appropriate dosage.

It is important to take this medication on a consistent basis in order to derive the maximum advantage from it. Take it at the same time(s) every day so that you won’t forget when to take it. Continue taking this medication even if you don’t feel like you need it. The majority of people who have hypertension do not report feeling ill.

If you suffer from chest pain, you need to take this medicine on a consistent basis for it to be beneficial. It is not appropriate to use it as a treatment for chest pain when it happens. To alleviate the discomfort in your chest, your doctor may recommend that you try additional drugs, such as nitroglycerin administered sublingually.

Before you feel the full benefits of this drug, it could take anywhere from one to two weeks. If your situation does not improve or if it gets worse, you should let your doctor know (for example, if your blood pressure readings remain high or increase, if your chest pain occurs more often).

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Side Effects

It’s possible you’ll have symptoms including lightheadedness, dizziness, fatigue, and nausea. Notify your doctor or pharmacist as soon as possible if any of these side effects continue or become worse.

When rising from a seated or laying position, it is important to do so carefully in order to limit the likelihood of experiencing dizziness and lightheadedness.

Because this medication can limit blood flow to your hands and feet, you may have a feeling of coldness in those areas. It’s possible that smoking makes this effect worse. Dress warmly and stay away from cigarette products.

Keep in mind that the reason your doctor has recommended that you take this medication is that he or she believes that the potential benefits to you outweigh the potential risks of doing so. The majority of persons who take this medicine do not report experiencing any severe adverse effects.

Notify your physician as soon as possible if you experience any serious adverse effects, such as new or worsening symptoms of heart failure (such as shortness of breath, swelling ankles/feet, unusual tiredness, unusual/sudden weight gain), very slow heartbeat, severe dizziness, fainting, trouble breathing, blue fingers/toes, mental or mood changes (such as confusion, mood swings, depression).

It is quite unusual for this medicine to cause an extremely severe allergic reaction. However, you should seek immediate medical attention if you have any of the following signs of a major allergic reaction: a rash, itching/swelling (particularly of the face/tongue/throat), severe dizziness, or difficulty breathing.

This list of potential adverse effects is not exhaustive in any way. Please consult your physician or pharmacist if you have any side effects that are not listed above.

In the United States, if you are experiencing any adverse effects, please consult your primary care physician. You can call the FDA at 1-800-FDA-1088 or visit their website at to report any adverse effects.

In Canada, if you are experiencing any adverse effects, please consult your primary care physician. You can call Health Canada at 1-866-234-2345 to report any adverse effects you experience.

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Inform your doctor or pharmacist if you are allergic to atenolol, or if you have any other allergies before beginning treatment with this medication. There is a possibility that this product contains inactive substances, which, if present, could result in allergic responses or other complications. Discuss the matter further with your pharmacist for further information.

If you have a history of certain types of heart rhythm problems (such as slow heartbeat, second- or third-degree atrioventricular block), breathing problems (such as asthma, chronic bronchitis, emphysema), blood circulation problems (such as Raynaud’s disease, peripheral vascular disease), kidney disease, heart failure, serious allergic reactions including those requiring treatment with epinephrine, a drug that is used to treat anaphylaxis (myasthenia gravis).

This medication could cause you to feel lightheaded. Alcohol or marijuana (cannabis) can make you more dizzy. Do not get behind the wheel of a vehicle, operate any machinery, or engage in any activity that requires attentiveness until you are able to do it safely. Reduce your intake of alcoholic beverages. If you are a marijuana user, you should consult your primary care physician (cannabis).

Before undergoing surgery, it is important to discuss all of the products you use with your dentist or doctor (including prescription drugs, nonprescription drugs, and herbal products).

If you have diabetes, this product has the potential to hide the rapid and pounding heartbeat that you would normally experience when your blood sugar is too low (hypoglycemia). This medication has no effect on the other signs and symptoms of low blood sugar, such as lightheadedness and perspiration. This product may also make it more difficult for you to maintain adequate control of your blood sugar levels. Check your blood sugar on a regular basis as instructed by your doctor, and then discuss the results with them. If you have symptoms of high blood sugar such as excessive thirst or urine, you should contact your doctor as soon as possible. It’s possible that your diabetic medication, exercise routine, or diet will need some tweaking from your doctor.

Children may be at a greater risk for low blood sugar (hypoglycemia), particularly if they are vomiting or are not eating regularly. This increases the likelihood that the child may develop the condition. Maintaining a consistent eating routine can assist in warding off hypoglycemia in youngsters. Stop giving this medication to your kid immediately and inform their doctor if they are unable to eat normally, are throwing up, or are exhibiting symptoms of low blood sugar (such as sweating or convulsions).

Inform your physician if you are pregnant or if you want to become pregnant in the near future. While you are on this medicine, you should avoid getting pregnant at all costs. Atenolol could be harmful to an unborn child. If you become pregnant while taking this medicine, you should discuss the potential hazards and advantages with your healthcare provider as soon as possible.

This medicine is excreted into breast milk and may have unintended consequences for an infant who is being breastfed. Before starting to breastfeed, you should talk to your healthcare provider.

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Drug interactions can alter the way in which your prescriptions work or raise the likelihood that you will have major adverse effects. This document does not contain all possible medication interactions. Maintain a list of all the goods you use, including prescription and over-the-counter medications, as well as herbal remedies, and give it to both your primary care physician and your pharmacist. Without first consulting your physician, you should never alter the dosage of any medication, stop taking any medication, or start taking any new medication.

Dolasetron and fingolimod are two examples of products that could potentially interact with this medication.


Certain goods contain components that can cause an increase in your heart rate or blood pressure, or make your heart failure condition even more severe. Tell your pharmacist what products you are using and ask for instructions on how to use them safely. This is especially important for over-the-counter nonsteroidal anti-inflammatory drugs (NSAIDs) like ibuprofen and naproxen.


Dial 911 if you suspect that someone has overdosed and they are exhibiting serious symptoms such as passing out or having problems breathing. In any other case, you should immediately contact a poison control center. To reach the poison control center for your area in the United States, dial 1-800-222-1222. Canadian residents can call a provincial poison control center. An overdose can cause a variety of symptoms, including an extremely slow heartbeat, severe dizziness, severe weakness, fainting, and difficulty breathing.


This drug should not be given to anyone else.

Modifications to one’s lifestyle, such as those including stress reduction programs, physical activity, and dietary adjustments, can make this medication more effective. Talk to your primary care physician or your pharmacist about making adjustments to your lifestyle that could be beneficial to you.

While you are taking this medicine, you should get your blood pressure and pulse (heart rate) checked on a frequent basis. You should familiarise yourself with the proper techniques for monitoring your own blood pressure and pulse at home, and then report the results to your attending physician.

Neglected Dose

If you forget to take a dose, you should take it as soon as you realize you forgot. If it is getting close to the time of the next dose, you should forgo the dose that you missed. Your next dose should be taken at the typical time. It is not necessary to double the dose in order to catch up.


Keep at room temperature and away from light and moisture. Store at room temperature. Keep away from the bathroom at all costs. Always make sure that children and animals are kept well away from any medications.

Unless you have been specifically told to do so, you should not flush drugs down the toilet or pour them down a drain. When it is no longer needed or has passed its expiration date, dispose of this product in the appropriate manner. Talk to your neighborhood pharmacy or the firm that handles garbage disposal in your area.

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