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ATENOLOL ALTER 50 mg TABLETS

ATENOLOL ALTER 50 mg TABLETS

Ask a doctor about a prescription for ATENOLOL ALTER 50 mg TABLETS

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Doctor

Anna Biriukova

General medicine5 years of experience

Dr Anna Biriukova is an internal medicine doctor with clinical experience in cardiology, endocrinology, and gastroenterology. She provides online consultations for adults, offering expert medical support for heart health, hormonal balance, digestive issues, and general internal medicine.

Cardiology – Diagnosis and treatment of:

  • High blood pressure, blood pressure fluctuations, and cardiovascular risk prevention.
  • Chest pain, shortness of breath, arrhythmias (tachycardia, bradycardia, palpitations).
  • Leg swelling, chronic fatigue, reduced exercise tolerance.
  • EKG interpretation, lipid profile evaluation, cardiovascular risk assessment (heart attack, stroke).
  • Post-COVID-19 cardiac monitoring and care.
Endocrinology – Diabetes, thyroid, metabolism:
  • Diagnosis and management of type 1 and type 2 diabetes, and prediabetes.
  • Individual treatment plans including oral medications and insulin therapy.
  • GLP-1 therapy– modern pharmacological treatment for weight management and diabetes control, including drug selection, monitoring, and safety follow-up.
  • Thyroid disorders – hypothyroidism, hyperthyroidism, autoimmune thyroid diseases (Hashimoto’s, Graves’ disease).
  • Metabolic syndrome – obesity, lipid disorders, insulin resistance.
Gastroenterology – Digestive health:
  • Abdominal pain, nausea, heartburn, gastroesophageal reflux (GERD).
  • Stomach and intestinal conditions: gastritis, irritable bowel syndrome (IBS), indigestion.
  • Management of chronic digestive disorders and interpretation of tests (endoscopy, ultrasound, labs).
General internal medicine and preventive care:
  • Respiratory infections – cough, colds, bronchitis.
  • Lab test analysis, therapy adjustments, medication management.
  • Adult vaccinations – planning, contraindications assessment.
  • Cancer prevention – screening strategies and risk assessment.
  • Holistic approach – symptom relief, complication prevention, and quality of life improvement.
Dr Biriukova combines internal medicine with specialist insight, offering clear explanations, personalised treatment plans, and comprehensive care tailored to each patient.
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This page is for general information. Consult a doctor for personal advice. Call emergency services if symptoms are severe.
About the medicine

How to use ATENOLOL ALTER 50 mg TABLETS

Introduction

Package Leaflet: Information for the Patient

Atenolol Alter 50 mg Tablets EFG

Atenolol

Read all of this leaflet carefully before you start taking this medicine because it contains important information for you.

  • Keep this leaflet, you may need to read it again.
  • If you have any further questions, ask your doctor or pharmacist.
  • This medicine has been prescribed for you only. Do not pass it on to others. It may harm them, even if their signs of illness are the same as yours.
  • If you get any side effects, talk to your doctor or pharmacist. This includes any possible side effects not listed in this leaflet. See section 4.

Contents of the Package Leaflet

  1. What is Atenolol Alter and what is it used for
  2. What you need to know before you take Atenolol Alter
  3. How to take Atenolol Alter
  4. Possible side effects
  5. Storage of Atenolol Alter
  6. Contents of the pack and other information

1. What is Atenolol Alter and what is it used for

Atenolol belongs to a group of medicines called beta-blockers, it acts on your heart and circulatory system.

Atenolol is indicated for the treatment of high blood pressure (hypertension), to help prevent chest pain (angina), to ensure regular heartbeats, and also to protect the heart during and after a heart attack.

2. What you need to know before you take Atenolol Alter

Do not take Atenolol Alter

  • if you are allergic to atenolol or any of the other ingredients of this medicine (listed in section 6).
  • if you have or have had heart problems such as uncontrolled heart failure or blockage (disorder of heart conduction).
  • if you have ever had very slow or irregular heartbeats, very low blood pressure, or circulatory failure.
  • if you have ever been told that you have a pheochromocytoma (a tumor in the adrenal glands).
  • if you have been fasting.
  • if you have been told that you have metabolic acidosis (a metabolic disorder that causes excessive blood acidity).
  • atenolol should not be given to children.
  • this medicine is for your use only and should not be given to anyone else.

Warnings and Precautions

Talk to your doctor before you start taking this medicine.

  • if you have health problems such as asthma or breathing difficulties, diabetes, circulatory disorders, heart, kidney, or thyroid problems.
  • if you have ever been told that you have a special type of chest pain (angina) called Prinzmetal's angina.
  • if you are pregnant, think you may be pregnant, or are breastfeeding (see Pregnancy and Breastfeeding).
  • if you have ever had an allergic reaction to anything, for example, an insect bite.
  • You may notice that your pulse is slower while taking these tablets. This is normal, but if you are concerned, tell your doctor.
  • If you are diabetic, this medicine may change your normal response to low blood sugar, which usually involves an increased heart rate.
  • In case of hospitalization, inform the healthcare staff and, in particular, the anesthesiologist, that you are being treated with this medicine.
  • Stop taking your tablets only if your doctor tells you to, and in that case, do so gradually.

Children and Adolescents

This medicine should not be used in children (see Do not take Atenolol Alter).

Taking Atenolol Alter with other medicines

Tell your doctor or pharmacist if you are taking, have recently taken, or might take any other medicines. It may be necessary to stop treatment or adjust the dose of one of them. Some medicines can affect the action of others, in particular, tell your doctor if you are taking:

  • Disopyramide or amiodarone (for irregular heartbeats).
  • Other treatments for high blood pressure or angina (in particular, verapamil, diltiazem, nifedipine, clonidine).
  • If you are taking clonidine for high blood pressure or to prevent migraines, do not stop treatment with it or atenolol without consulting your doctor first.
  • Treatment for heart failure (digoxin).
  • Anti-inflammatory medicines for pain treatment (such as indomethacin or ibuprofen).
  • Nasal decongestants or other cold products that you may have bought yourself at a pharmacy.

Pregnancy and Breastfeeding

If you are pregnant or breastfeeding, think you may be pregnant, or are planning to become pregnant, consult your doctor or pharmacist before taking this medicine.

Pregnancy

There is not enough data on the safety of atenolol during the first trimester of pregnancy. Your doctor will decide if treatment during the second and third trimester is beneficial for you.

Breastfeeding

Tell your doctor if you are being treated with atenolol at the time of delivery or during breastfeeding, as your baby may be at risk of low blood sugar and slower heartbeats.

Women who are breastfeeding should consult their doctor before taking this medicine, as atenolol passes into breast milk.

Driving and Using Machines

Be aware of your response to the medication because in some cases, dizziness and fatigue have been reported at usual doses. If this happens, do not drive or operate hazardous machinery.

Use in Athletes

This medicine contains atenolol, which may produce a positive result in doping tests.

Atenolol Alter contains Wheat Starch

This medicine contains very low levels of gluten from wheat starch. It is considered "gluten-free" and is very unlikely to cause problems if you have celiac disease.

Each tablet does not contain more than 5 micrograms of gluten.

If you have a wheat allergy (different from celiac disease), you should not take this medicine.

3. How to take Atenolol Alter

Follow exactly the administration instructions of this medicine indicated by your doctor. In case of doubt, consult your doctor or pharmacist again.

Remember to take your medicine.

Your doctor will indicate the duration of your treatment. Do not stop treatment before your doctor tells you to.

Usual dose for adults

Your doctor will decide the dose of this medicine that you should take each day depending on your situation. The table below shows the usual total daily dose for an adult. The dose is taken, usually, once a day.

High Blood Pressure

50 mg or 100 mg (1 or 2 tablets of 50 mg) once a day

Chest Pain (Angina)

100 mg (2 tablets of 50 mg) once a day or 1 tablet of 50 mg twice a day

Irregular Heartbeats

50 mg to 100 mg (1 or 2 tablets of 50 mg) once a day

Protection after a Heart Attack

100 mg (2 tablets of 50 mg) once a day

Swallow the tablet whole with the help of water. The score line is only for breaking the tablet if you find it difficult to swallow it whole.

Try to take your tablet at the same time each day.

Do not stop taking your tablets even if you feel well, unless your doctor tells you to; in this case, do so gradually.

If you take more Atenolol Alter than you should

If you take more than the normal dose, contact your doctor or go to the nearest hospital.

In case of overdose or accidental ingestion, consult your doctor or pharmacist immediately or call the Toxicology Information Service, phone 91 562 04 20, indicating the medicine and the amount taken.

If you forget to take Atenolol Alter

If you miss a dose, take it as soon as you remember. Do not take a double dose to make up for forgotten doses.

If you have any other questions about the use of this medicine, ask your doctor or pharmacist.

4. Possible side effects

Like all medicines, this medicine can cause side effects, although not everybody gets them.

The side effects that have been seen with this medicine are:

Common (may affect up to 1 in 10 people)

  • Slower heartbeats.
  • Cold fingers and toes.
  • Nausea.
  • Diarrhea.
  • Fatigue.

Uncommon (may affect up to 1 in 100 people)

  • Sleep disorders.

Rare (may affect up to 1 in 1,000 people)

  • Heart block (which can cause an abnormal heartbeat, dizziness, fatigue, or fainting).
  • Worsening of breathing difficulties, if you have or have had asthma.
  • Shortness of breath and/or swelling of the ankles, if you also have heart failure.
  • Worsening of your circulation, if you already have some degree of circulatory failure.
  • Numbness and spasms in the fingers, followed by heat and pain (Raynaud's phenomenon).
  • Mood changes.
  • Nightmares.
  • Confusion.
  • Psychosis or hallucinations (mental disorders).
  • Headache.
  • Dizziness, especially when standing up.
  • Feeling of tingling in the hands.
  • Impotence.
  • Dry mouth.
  • Dry eyes.
  • Vision disorders.
  • Hair loss.
  • Skin rash, including worsening of psoriasis.
  • Thrombocytopenia (greater tendency to bruise).
  • Purpura (purple spots on the skin).
  • Jaundice (which can be detected as a yellowish color of your skin and eyes).

Very Rare (may affect up to 1 in 10,000 people)

  • Very rarely, changes in some blood cells or components may occur. Your doctor may want to perform a blood test to check if atenolol has had any effect on your blood.

Frequency not known (frequency cannot be estimated from the available data)

  • Lupus-like syndrome (a disease in which the immune system produces antibodies that mainly attack the skin and joints)

Do not be alarmed by this list of side effects, you may not get any of them.

Reporting of side effects

If you experience any side effects, talk to your doctor or pharmacist, even if it is possible side effects that are not listed in this leaflet. You can also report them directly through the Spanish Medicines and Health Products Agency's website: https://www.notificaram.es. By reporting side effects, you can help provide more information on the safety of this medicine.

5. Storage of Atenolol Alter

Keep this medicine out of the sight and reach of children.

Do not store above 30°C. Store in the original packaging to protect from light and moisture.

Do not use this medicine after the expiry date which is stated on the packaging. The expiry date is the last day of the month stated.

Medicines should not be disposed of via wastewater or household waste. Ask your pharmacist how to dispose of medicines no longer required. These measures will help protect the environment.

6. Contents of the pack and other information

Composition of Atenolol Alter

  • The active ingredient is atenolol. Each tablet contains 50 mg of atenolol.
  • The other ingredients are: pregelatinized corn starch, crospovidone, light magnesium carbonate, wheat starch, calcium carmellose, microcrystalline cellulose, dibasic calcium phosphate dihydrate, talc, stearate G, stearic acid, heavy magnesium carbonate.

Appearance of the product and pack contents

White, lenticular tablets with a score line on one face.

Available in packs of 30 or 60 tablets.

Not all pack sizes may be marketed.

Marketing Authorization Holder

Laboratorios Alter, S.A.

C/ Mateo Inurria, 30

28036 Madrid

Spain

Manufacturer

Laboratorios Alter, S.A.

C/ Mateo Inurria, 30

28036 Madrid

Spain

or

Laboratorios Alter, S.A.

C/ Zeus, 6

Polígono Industrial R2

28880 Meco (Madrid)

Spain

Date of last revision of this leaflet:April 2020

Detailed and updated information on this medicine is available on the website of the Spanish Agency for Medicines and Health Products (AEMPS): http://www.aemps.gob.es/

About the medicine

How much does ATENOLOL ALTER 50 mg TABLETS cost in Spain ( 2025)?

The average price of ATENOLOL ALTER 50 mg TABLETS in December, 2025 is around 2.5 EUR. Prices may vary depending on the region, pharmacy, and whether a prescription is required. Always check with a local pharmacy or online source for the most accurate information.

Alternatives to ATENOLOL ALTER 50 mg TABLETS in other countries

The best alternatives with the same active ingredient and therapeutic effect.

Alternative to ATENOLOL ALTER 50 mg TABLETS in Poland

Dosage form: Tablets, 50 mg
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Alternative to ATENOLOL ALTER 50 mg TABLETS in Ukraine

Dosage form: tablets, tablets 50mg
Active substance: atenolol
Dosage form: tablets, tablets 50mg
Active substance: atenolol
Manufacturer: TOV "ASTRAFARM
Prescription required
Dosage form: tablets, tablets 100mg
Active substance: atenolol
Manufacturer: TOV "ASTRAFARM
Prescription required
Dosage form: tablets, tablets 0.05 g
Active substance: atenolol
Manufacturer: PAT "Monfarm
Prescription required

Online doctors for ATENOLOL ALTER 50 mg TABLETS

Discuss dosage, side effects, interactions, contraindications, and prescription renewal for ATENOLOL ALTER 50 mg TABLETS – subject to medical assessment and local rules.

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Abdullah Alhasan

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Dr. Abdullah Alhasan is a physician specialising in cardiology and general medicine, with international clinical experience and a commitment to evidence-based care. He offers online consultations for adults, focusing on both acute symptoms and long-term health management.

Main areas of consultation:

  • Chest pain, shortness of breath, heart palpitations, high blood pressure
  • Hypertension control and cardiovascular disease prevention
  • Interpretation of ECG, blood tests, and Holter monitor results
  • Management of heart failure and coronary artery disease
  • General medical issues: infections, fever, fatigue, gastrointestinal symptoms
  • Guidance on diagnostics, treatment plans, and medication adjustments
Dr. Alhasan’s approach is based on thorough assessment, clear communication, and personalised care – helping patients understand their health and make informed decisions about their treatment.
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Anna Biriukova

General medicine5 years of experience

Dr Anna Biriukova is an internal medicine doctor with clinical experience in cardiology, endocrinology, and gastroenterology. She provides online consultations for adults, offering expert medical support for heart health, hormonal balance, digestive issues, and general internal medicine.

Cardiology – Diagnosis and treatment of:

  • High blood pressure, blood pressure fluctuations, and cardiovascular risk prevention.
  • Chest pain, shortness of breath, arrhythmias (tachycardia, bradycardia, palpitations).
  • Leg swelling, chronic fatigue, reduced exercise tolerance.
  • EKG interpretation, lipid profile evaluation, cardiovascular risk assessment (heart attack, stroke).
  • Post-COVID-19 cardiac monitoring and care.
Endocrinology – Diabetes, thyroid, metabolism:
  • Diagnosis and management of type 1 and type 2 diabetes, and prediabetes.
  • Individual treatment plans including oral medications and insulin therapy.
  • GLP-1 therapy– modern pharmacological treatment for weight management and diabetes control, including drug selection, monitoring, and safety follow-up.
  • Thyroid disorders – hypothyroidism, hyperthyroidism, autoimmune thyroid diseases (Hashimoto’s, Graves’ disease).
  • Metabolic syndrome – obesity, lipid disorders, insulin resistance.
Gastroenterology – Digestive health:
  • Abdominal pain, nausea, heartburn, gastroesophageal reflux (GERD).
  • Stomach and intestinal conditions: gastritis, irritable bowel syndrome (IBS), indigestion.
  • Management of chronic digestive disorders and interpretation of tests (endoscopy, ultrasound, labs).
General internal medicine and preventive care:
  • Respiratory infections – cough, colds, bronchitis.
  • Lab test analysis, therapy adjustments, medication management.
  • Adult vaccinations – planning, contraindications assessment.
  • Cancer prevention – screening strategies and risk assessment.
  • Holistic approach – symptom relief, complication prevention, and quality of life improvement.
Dr Biriukova combines internal medicine with specialist insight, offering clear explanations, personalised treatment plans, and comprehensive care tailored to each patient.
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Areas of expertise include:

  • Diagnosis and treatment of hypertension, coronary artery disease, and chronic heart failure
  • Management of arrhythmias and conduction disorders, including paroxysmal events
  • Emergency care: myocardial infarction, acute left ventricular failure, acute pulmonary heart disease
  • Post-thromboembolism care and evaluation of cardiomyopathies
  • Treatment of vegetative dysfunction and autonomic disorders
  • Interpretation of cardiovascular tests: ECG, Holter monitoring, ambulatory blood pressure monitoring (ABPM), echocardiography (including transesophageal echo), stress echocardiography, exercise testing (VEM, treadmill test)
Dr. Tabeshadze combines extensive diagnostic experience with personalised care. She helps patients understand their cardiovascular health, navigate symptoms and diagnoses, and create tailored treatment plans to improve quality of life and reduce long-term risks.
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  • Conduction disorders: AV blocks, sinoatrial block, bradyarrhythmias
  • ECG and Holter monitor interpretation, including data from smartwatches
  • Evaluation for interventional treatment: stenting, bypass surgery, valve replacement
  • Anticoagulant management (e.g., warfarin, DOACs) based on kidney function and clinical context
  • Perioperative advice on anticoagulant/antiplatelet therapy before dental procedures
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Areas of expertise:

  • dyslipidaemia and lipid metabolism disorders
  • prevention and management of atherosclerosis
  • blood pressure monitoring and antihypertensive therapy
  • arrhythmias: diagnosis, follow-up, and treatment adjustment
  • cardiovascular care and recovery support after Covid-19
Dr Kuznetsova helps patients manage cardiovascular risk factors, optimise long-term treatment, and gain clarity in complex health situations – all through accessible and structured online care.
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Patients commonly seek her help for:

  • High blood pressure, headaches, dizziness, swelling, palpitations.
  • Diagnosis and management of hypertension, arrhythmias, and tachycardia.
  • Metabolic syndrome, excess weight, high cholesterol.
  • Chronic fatigue, insomnia, poor concentration, anxiety.
  • Respiratory symptoms: colds, flu, sore throat, cough, fever.
  • Digestive issues: heartburn, bloating, constipation, IBS symptoms.
  • Chronic conditions: diabetes, thyroid disorders.
  • Interpretation of lab tests and medical reports, therapy adjustment.
  • Second opinion and decision-making support.
  • Cardiovascular disease prevention and metabolic risk reduction.
  • Long-term follow-up and dynamic health monitoring.

Dr Kolomeeva combines clinical expertise with personalised care. She clearly explains diagnoses, guides patients through symptoms and treatment options, and provides actionable plans. Her consultations are designed not only to address current complaints but also to stabilise chronic conditions and prevent future complications. She supports patients through every stage of care – from first symptoms to ongoing health management.

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