Atenolol Oral : Uses, Side Effects, Interactions





Treatment of high blood pressure is used with or without Atenolol or other medicines. Reducing hypertension helps in preventing stroke, heart attack and kidney problems. This drug is also used to improve chest pain (angina) and to improve survival after a heart attack.

Atenolol is related to a class of medicines known as beta blockers. It works by blocking the action of some natural chemicals in your body, such as on epinephrine, cardiovascular and blood vessels. This effect reduces heart rate, blood pressure and pressure on the heart.

How to use Atenolol

See also the warning section.

Directly take this medicine by mouth or with your doctor, without diet, usually 1 to 2 times daily.

Apple juice and orange juice can prevent your body from completely absorbing Atenolol. It is best to avoid drinking apple / orange juice within 4 hours of taking Atenolol, unless your doctor or pharmacist tells you.

Dosage is based on your medical condition and treatment response.

Use atenolol regularly so that it can get the most benefit. To help you remember, take it at the same time every day. It is important to continue taking this medicine even if you feel OK. Most people with high blood pressure do not feel sick.

If this product is used for chest pain, then it should be taken regularly to be effective. When this happens, it should not be used to treat chest pain. Use other medicines (such as nitroglycerin placed under the tongue) to relieve the chest pain directed by your doctor.

You may take 1 to 2 weeks to get the full benefit of this drug. Tell your doctor if your condition does not improve or if it gets worse (for example, if your blood pressure reading is high or increases, if you have pain in your chest more often)

Side Effects

See also the Warnings and Precautions section.

Dizziness, laziness, fatigue and nausea may occur. If any of these effects persists or worsens, tell your doctor or pharmacist immediately.

To reduce the risk of dizziness and lighthouse, slowly rise while sitting or lying down from the position of lying.

Atenolol can reduce blood flow in your hands and feet, so that they can get cold. Smoking can spoil this effect. Wear warm clothes and avoid using tobacco.

Remember that your doctor has prescribed this drug because he or she has decided that the benefit is higher than the risk of side effects. Many people using this drug do not have serious side effects.

Tell your doctor immediately if you have any serious side effects, including new or worsening symptoms of heart failure (such as shortness of breath, swelling of ankle / legs, abnormal fatigue, abnormal / sudden weight gain), very slow heart beat , Severe dizziness, unconsciousness, shortness of breath, blue fingers / toes, changes in mental / mood (such as delusions, changes in mood, depression).

A very serious allergic reaction to this drug is rare. However, if you see any of the following symptoms of a serious allergic reaction, seek medical help immediately: granular, itching / swelling (especially the face / tongue / throat), severe dizziness, breathing difficulties

This is not a complete list of possible side effects. If you do not list other effects above, contact your doctor or pharmacist.

In America – Call your doctor for medical advice about side effects. You can notify the FDA of side effects on 1-800-FDA-1088 or

In Canada – Call your doctor for medical advice about side effects. You can report the health effects of Canada on 1-866-234-2345.


Before taking Atenolol, tell your doctor or pharmacist whether you are allergic to it; Or if you have any other allergens. This product can have passive elements, which can cause allergic or other problems. Talk to your pharmacist for more details.

Before using Atenolol, tell your doctor or pharmacist your medical history, especially: problems of certain types of heart rhythm (such as slow heart beat, second- or third degree atrioventricular block), breathing Problems like (e.g asthma, chronic bronchitis, emphysema), problems of blood circulation (such as Raynaud’s disease, peripheral vascular disease), kidney disease, heart problems Bear, severe allergic reactions that require treatment with epinephrine, a certain muscle disease (myasthenia gravis).

This medication can make you dizzy. Alcohol or marijuana (cannabis) can make you feel more dizzy. Unless you can safely do it, do not drive, use machinery, or do anything that requires caution. Limit alcoholic beverages. Talk to your doctor if you are using marijuana (cannabis).

Before surgery, tell your doctor or dentist about all the products you use (including prescription drugs, nonprescription drugs and herbal products).

If you have diabetes, this product may face faster / faster heartbeat, when you usually feel that your blood glucose is very low (hypoglycemia). Other symptoms of low blood sugar, such as dizziness and perspiration, are unaffected by this medicine. This product can make it difficult to control your blood glucose. Regularly check your blood glucose as directed and share the result with your doctor. Tell your doctor immediately if you have symptoms of high blood sugar such as thirst / urination. Your doctor may need to adjust your diabetes medication, exercise program or diet.

Tell your doctor if you are pregnant or have plans to get pregnant. You should not be pregnant while using this medicine. Atenolol can harm an unborn child. If you become pregnant using this medicine, then talk to your doctor immediately about its risks and benefits.

Atenolol passes in breast milk and may have undesirable effects on a nursing infant. Consult your doctor before breastfeeding.

Over Dose

If someone is treated and has serious symptoms like having trouble going out or breathing, call 911. Otherwise, call the Poison Control Center immediately. US residents can call their local venom control center at 1-800-222-1222. Canadians can call a provincial poison control center. Symptoms of overdose may include: very slow heart beat, severe dizziness, severe weakness, unconsciousness, difficulty breathing


Do not share this medication with others.

Changes in lifestyle such as stress reduction programs, exercise and dietary changes can increase the effectiveness of this drug. Talk to your doctor or pharmacist about lifestyle changes that can benefit you.

While taking this medicine, check your blood pressure and pulse (heart rate) regularly. Learn how to monitor your own blood pressure and pulse at home, and share the results with your doctor.

Missed Dose

If you miss a dose, then as soon as you remember, take it. If it is near the next dose time, then leave the thesis dose. Take your next dose at regular times. Do not double the dose to catch up.


Store at room temperature away from light and moisture. Do not store in the bathroom. Keep all medications away from children and pets.

Until instructed to do so, do not flush the medicines in the toilet and do not drain them. When this period expires or does not need it, then properly release this product. Consult your pharmacist or local waste disposal company.

Disclaimer: DrLinex has made every effort to ensure that all information is factually accurate, comprehensive and up-to-date. However, this article should not be used as a licensed health care professional’s choice of knowledge and expertise. You should always consult your doctor or other health care professional before taking any medication. The information given here is subject to change and it has not been used to cover all possible uses, directions, precautions, warnings, drug interactions, allergic reactions or adverse effects. The lack of warning or other information for any drug does not indicate that the combination of medicine or medication is safe, effective or appropriate for all patients or all specific uses.

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