intalol 50mg tablet - Atenolol (50mg) medicine

Atekind 50mg Tablet: Comprehensive Guide to Uses, Side Effects, and Safety

No reviews yet
🏭 Intas Pharmaceuticals Ltd 📦 Varies by brand 💊 Allopathy 📅 Updated: Sep 20, 2026
⚠️ Nephrotoxicity Risk 📋 Prescription Required 💊 Generic Available
Medically Reviewed
12 min read
Evidence: Well-established
Reviewed by
SaathiMed Expert Panel | Sep 20, 2026

When to Call Your Doctor IMMEDIATELY

  • Very slow heart rate (below 50 beats per minute)
  • Severe dizziness or fainting
  • Difficulty breathing or wheezing
  • Chest pain or tightness
  • Swelling in legs or ankles
  • Sudden weight gain
  • Yellowing of skin or eyes
  • Severe fatigue or weakness

If experiencing severe symptoms, call emergency services immediately.

What is intalol 50mg tablet used for?

Atekind 50mg tablet contains Atenolol, a beta-blocker used to treat high blood pressure, angina, and to improve survival after a heart attack. It works by slowing the heart rate and reducing the heart's workload. It is taken orally, usually once daily, and should not be stopped abruptly.

  • Generic Name: Atenolol (50mg)
  • Manufacturer: Intas Pharmaceuticals Ltd
  • Form: Allopathy
  • Pregnancy Category: Consult doctor
  • Prescription Required: Yes

🇮🇳 intalol 50mg tablet के बारे में (Hindi Summary)

उपयोग: यह दवा एटेनोलोल 50 मिलीग्राम टैबलेट है, जिसका उपयोग उच्च रक्तचाप (हाइपरटेंशन), एनजाइना (सीने में दर्द), और दिल के दौरे के बाद जीवित रहने की दर में सुधार के लिए किया जाता है। यह बीटा-ब्लॉकर वर्ग की दवा है जो हृदय की गति को धीमा करती है और हृदय पर भार कम करती है। इसे डॉक्टर के परामर्श के बिना बंद नहीं करना चाहिए।

साइड इफेक्ट्स: इस दवा के सामान्य दुष्प्रभावों में थकान, चक्कर आना, हाथ-पैर ठंडे होना, धीमी हृदय गति, और जी मिचलाना शामिल हैं। गंभीर दुष्प्रभाव दुर्लभ हैं लेकिन इनमें गंभीर ब्रैडीकार्डिया, हृदय ब्लॉक, और सांस लेने में कठिनाई हो सकती है। यदि आपको कोई गंभीर लक्षण महसूस हो तो तुरंत डॉक्टर से संपर्क करें।

सुरक्षा सलाह: इस दवा को डॉक्टर के बताए अनुसार ही लें। इसे अचानक बंद न करें, क्योंकि इससे एनजाइना या दिल का दौरा पड़ सकता है। यदि आपको अस्थमा, मधुमेह, गुर्दे या यकृत की समस्या है तो अपने डॉक्टर को बताएं। शराब का सेवन न करें क्योंकि इससे चक्कर आ सकते हैं। गाड़ी चलाने या मशीन चलाने से बचें जब तक आपको इस दवा का प्रभाव पता न चल जाए।

💡 Did You Know? The Indian pharmaceutical market is expected to reach $130 billion by 2030.

💊 intalol 50mg tablet Uses & Benefits

[{"condition":"Hypertension","description":"Lowers blood pressure by reducing heart rate and cardiac output, thereby decreasing the risk of cardiovascular events.","evidence":"Well-established"},{"condition":"Angina Pectoris","description":"Reduces the frequency and severity of angina attacks by decreasing myocardial oxygen demand.","evidence":"Well-established"},{"condition":"Post-Myocardial Infarction","description":"Improves survival and reduces the risk of reinfarction in patients who have had a heart attack.","evidence":"Well-established"},{"condition":"Arrhythmias","description":"Used to control certain types of irregular heartbeats, such as supraventricular tachycardia.","evidence":"Established"}]

Off-label uses: [{"condition":"Migraine Prophylaxis","description":"Sometimes prescribed off-label to prevent migraine headaches, though evidence is limited.","evidence":"Limited"},{"condition":"Performance Anxiety","description":"Occasionally used off-label to manage symptoms of anxiety, particularly situational anxiety.","evidence":"Limited"},{"condition":"Thyrotoxicosis","description":"May be used off-label to control symptoms such as rapid heart rate in hyperthyroidism.","evidence":"Limited"}]

Primary treatment for: Hypertension

Also treats: Angina Pectoris, Post-Myocardial Infarction, Arrhythmias

📋 Drug Information

Generic Name(s)Atenolol (50mg)
Brand Nameintalol 50mg tablet
ManufacturerIntas Pharmaceuticals Ltd
Packaging / FormVaries by brand (Allopathy)
Therapeutic ClassCARDIAC
Action ClassBeta blocker- Cardioselective
Route of AdministrationOral
StorageStore at room temperature between 15°C and 30°C (59°F to 86°F). Protect from light and moisture. Keep in the original container, tightly closed.
Shelf LifeTypically 24 months from the date of manufacture, but refer to the packaging for the exact expiry date.
WHO GuidelineThe World Health Organization includes beta-blockers such as atenolol among the classes of medicines used for the management of hypertension, particularly in patients with compelling indications such as post-myocardial infarction or angina. However, guidelines may vary by region and patient profile.
ICMR GuidelineThe Indian Council of Medical Research (ICMR) guidelines for hypertension management recognize beta-blockers as one of the first-line options for treating hypertension, especially in patients with coronary artery disease or heart failure. Atenolol is included in the list of essential medicines in India.

👨‍⚕️ Doctor's Practical Tips

Evidence-based practical advice from experienced clinicians

1
Take this medicine at the same time each day to maintain consistent blood levels.
2
Do not stop taking this medicine abruptly; always consult your doctor before discontinuation.
3
Monitor your heart rate regularly; if it falls below 50 beats per minute, contact your doctor.
4
Inform your doctor if you have asthma, diabetes, or kidney problems before starting this medicine.
5
Avoid alcohol while taking this medicine as it can increase dizziness and low blood pressure.
6
If you are diabetic, monitor your blood sugar closely as this medicine may mask symptoms of low blood sugar.
7
Use caution while driving or operating machinery until you know how this medicine affects you.

🔍 Is This Medicine Right for Your Symptom?

Educational reference. Always consult a doctor for diagnosis.

High blood pressure
This medicine is commonly prescribed for hypertension.
Likely Use
Chest pain (angina)
This medicine is used to prevent angina attacks.
Likely Use
Rapid heart rate
This medicine helps control certain arrhythmias.
Likely Use
Fever
This medicine is not a fever reducer.
Not Primary
Cough
This medicine is not used for cough.
Not Primary

🔬 How This Medicine Works (Pharmacology)

Pharmacokinetics

AbsorptionAtenolol is rapidly but incompletely absorbed from the gastrointestinal tract. The absorption is consistent and not affected by food. Bioavailability is approximately 50%.
DistributionAtenolol is hydrophilic and distributes poorly into lipid-rich tissues, including the brain. It crosses the placenta and is excreted in breast milk. It has a low volume of distribution (approximately 0.7 L/kg).
Protein BindingAtenolol is minimally bound to plasma proteins (approximately 3%).
MetabolismAtenolol is not significantly metabolized by the liver. It is primarily eliminated unchanged by the kidneys.
Half-LifeThe elimination half-life of atenolol is approximately 6 to 7 hours in patients with normal renal function. It is prolonged in patients with renal impairment.
ExcretionAtenolol is excreted primarily unchanged in the urine (about 85-100% of an absorbed dose). Renal clearance is proportional to creatinine clearance.
BioavailabilityThe oral bioavailability of atenolol is approximately 50%.
Onset of ActionThe onset of antihypertensive effect is within 1 hour after oral administration, with peak effect occurring within 2 to 4 hours.
Peak Plasma TimePeak plasma concentrations are reached approximately 2 to 4 hours after oral administration.
Duration of ActionThe duration of action is approximately 24 hours, allowing for once-daily dosing.

How It Works

This medicine works by selectively blocking beta-1 adrenergic receptors located primarily in the heart. By blocking these receptors, it prevents the binding of catecholamines such as adrenaline and noradrenaline, which normally increase heart rate and contractility. This results in a reduction in heart rate, myocardial contractility, and cardiac output, leading to lower blood pressure and decreased myocardial oxygen demand. It also suppresses renin release from the kidneys, contributing to its antihypertensive effect.

Mechanism Steps

1
Binding to Beta-1 Receptors: This medicine binds selectively to beta-1 adrenergic receptors in the heart, blocking the action of catecholamines.
2
Reduction in Heart Rate: Blockade of beta-1 receptors leads to a decrease in heart rate (negative chronotropic effect).
3
Decreased Contractility: The force of heart muscle contraction is reduced (negative inotropic effect), lowering cardiac output.
4
Lowered Blood Pressure: The combined effects of reduced heart rate and contractility, along with decreased renin release, result in lower blood pressure.
5
Reduced Myocardial Oxygen Demand: By slowing the heart and reducing its workload, the oxygen demand of the heart muscle is decreased, which helps in angina.

💡 How to Take intalol 50mg tablet

Strength: Atenolol 50 mg immediate-release tablet

1Take this medicine by mouth with or without food.
2Swallow the tablet whole with a glass of water.
3Take it at the same time each day to maintain consistent blood levels.
4Do not crush, chew, or break the tablet unless instructed by your doctor.
5If you miss a dose, follow the missed dose instructions.
6Do not stop taking this medicine abruptly without consulting your doctor.

Dosage Information

Adult DosageThe usual adult dose for hypertension is 50 mg once daily, which may be increased to 100 mg once daily if needed. For angina, the typical dose is 50-100 mg once daily. For post-myocardial infarction, the recommended dose is 50 mg twice daily or 100 mg once daily. Dose must be individualized by a qualified clinician based on indication, age, weight, renal and hepatic function.
Pediatric DosagePediatric dosing is not established from available information. Consult a pediatrician.
Elderly DosageElderly patients may have reduced renal function and may require lower initial doses. Start with 25 mg once daily and titrate based on response and renal function. Dose must be individualized by a qualified clinician.
Renal ImpairmentIn patients with renal impairment, dose adjustment is required based on creatinine clearance. For creatinine clearance 15-35 mL/min, the maximum dose is 50 mg daily. For creatinine clearance less than 15 mL/min, the maximum dose is 25 mg daily. Dose must be individualized by a qualified clinician.
Hepatic ImpairmentNo specific dosage adjustment is provided for hepatic impairment, but caution is advised as atenolol is primarily renally excreted. Dose must be individualized by a qualified clinician.
Maximum Daily DoseThe maximum recommended daily dose is 100 mg for hypertension and angina, and 100 mg for post-myocardial infarction. Doses above 100 mg daily do not provide additional benefit and may increase side effects.

Dosage Timeline

🌅 Morning ❌ ☀️ Afternoon ❌ 🌆 Evening ❌ 🌙 Night ❌

🍽️ Food Timing Guide

With or without food
Can be taken with or without food
Food does not significantly affect absorption.
Alcohol
Avoid
May increase dizziness and low blood pressure.

⏰ What to Do If You Miss a Dose

📌 Less than 12 hours have passed since the missed dose
→ Take the missed dose as soon as you remember.
💡 Continue with your regular schedule.
📌 More than 12 hours have passed since the missed dose
→ Skip the missed dose and take the next dose at the regular time.
💡 Do not double the dose to catch up.

⚠️ Side Effects of intalol 50mg tablet

✅ Common Side Effects

Fatigue (Common (5-10%))
Usually resolves with continued use. If persistent, consult your doctor.
Dizziness (Common (5-10%))
Avoid driving or operating machinery until you know how it affects you. Rise slowly from sitting or lying positions.
Cold Extremities (Common (5-10%))
Keep hands and feet warm. Consult doctor if severe or persistent.
Bradycardia (Common (5-10%))
Monitor heart rate. If pulse falls below 50 beats per minute, contact your doctor.
Nausea (Common (1-5%))
Take with food to reduce stomach upset. If persistent, consult doctor.

🚨 Serious Side Effects

Severe Bradycardia (Rare (<0.1%))
Seek immediate medical attention if you experience a very slow heart rate, fainting, or severe dizziness.
Heart Block (Rare (<0.1%))
Seek immediate medical attention if you experience irregular heartbeat, chest pain, or fainting.
Bronchospasm (Rare (<0.1%))
Seek immediate medical attention if you have difficulty breathing, wheezing, or chest tightness.
Worsening Heart Failure (Rare (<0.1%))
Contact your doctor if you experience swelling in legs, shortness of breath, or weight gain.
Raynaud's Phenomenon (Rare (<0.1%))
Consult your doctor if you experience numbness, tingling, or color changes in fingers or toes.

⚠️ Rare Side Effects

Depression
Consult your doctor if you experience persistent sadness or loss of interest.
Sleep Disturbances
Consult your doctor if sleep problems persist.
Sexual Dysfunction
Discuss with your doctor; alternative medications may be available.

Consult your doctor if you experience any unusual symptoms.

🔬 Drug Interactions

Drug Severity Effect
Verapamil Major
Diltiazem Major
Clonidine Major
Disopyramide Major
NSAIDs Moderate
Insulin Moderate
Digoxin Moderate
Antacids Minor
Cimetidine Minor

🚨 Major Interactions

  • Verapamil
  • Diltiazem
  • Clonidine
  • Disopyramide

⚡ Moderate Interactions

  • NSAIDs (e.g., Ibuprofen)
  • Insulin and Oral Hypoglycemics
  • Digoxin

🍷 Alcohol Interaction

Alcohol may enhance the blood pressure-lowering effect of this medicine and increase drowsiness or dizziness. It is advisable to avoid or limit alcohol consumption while taking this medicine.

🔎 Check Your Other Medicines

Educational tool. Always confirm with your doctor or pharmacist.

🛡️ Safety & Warnings

🚫 Contraindications

["Severe bradycardia","Heart block greater than first degree","Cardiogenic shock","Decompensated heart failure","Sick sinus syndrome (unless pacemaker present)","Hypersensitivity to atenolol or any component of the formulation","Severe peripheral arterial circulatory disorders"]

⚠️ Warnings & Precautions

["Do not abruptly discontinue this medicine; taper gradually to avoid exacerbation of angina or myocardial infarction.","Use with caution in patients with asthma or COPD; may cause bronchospasm.","May mask symptoms of hypoglycemia in diabetic patients; monitor blood glucose closely.","May mask symptoms of hyperthyroidism; abrupt withdrawal can precipitate thyroid storm.","Use with caution in patients with renal impairment; dose adjustment may be required.","May cause dizziness or fatigue; avoid driving or operating machinery until effects are known.","Use with caution in patients with peripheral vascular disease; may worsen symptoms of Raynaud's phenomenon."]

🤱 Lactation Safety

Atenolol is excreted in breast milk in small amounts. The amount ingested by the infant is generally considered safe, but monitoring for signs of beta-blockade (e.g., bradycardia) in the infant is advised. Consult your doctor before breastfeeding.

💊 Overdose Management

Overdose of this medicine can cause severe bradycardia, hypotension, heart failure, bronchospasm, and hypoglycemia. Treatment is supportive and symptomatic. Immediate medical attention is required. Measures may include gastric lavage, activated charcoal, atropine for bradycardia, and vasopressors for hypotension. Hemodialysis can remove atenolol from the bloodstream.

⏰ Missed Dose

If you miss a dose, take it as soon as you remember. If it is almost time for your next dose, skip the missed dose and continue with your regular schedule. Do not double the dose to catch up.

Additional Safety Advice

General Safety

Take this medicine exactly as prescribed by your doctor. Do not stop taking it abruptly, as sudden withdrawal can worsen angina or lead to a heart attack. Inform your doctor if you have asthma, diabetes, kidney problems, or liver disease. This medicine may mask symptoms of low blood sugar (hypoglycemia) in diabetic patients, so monitor your blood sugar regularly. Avoid driving or operating heavy machinery until you know how this medicine affects you, as it can cause dizziness or fatigue. Do not consume alcohol while taking this medicine, as it may increase drowsiness and lower blood pressure further. Keep all appointments for monitoring your heart rate, blood pressure, and kidney function.

👴 Special Considerations for Elderly

💡 For Patients Above 65

Elderly patients are more sensitive to the effects of this medicine, especially bradycardia and hypotension. Start with a lower dose (25 mg daily) and monitor closely. Renal function should be assessed before and during treatment.

🤰 Pregnancy Planning (TTC)

If you are planning to become pregnant, consult your doctor before conception. This medicine may not be the preferred choice during pregnancy due to potential risks to the fetus. Alternative medications may be considered.

🏥 Post-Surgery Considerations

Inform your surgeon and anesthesiologist that you are taking this medicine. It may interact with anesthetic agents and affect heart rate and blood pressure during surgery. Your doctor may adjust the dose before surgery.

🦷 Dental Procedures

Inform your dentist that you are taking this medicine. It may cause dry mouth and increase the risk of orthostatic hypotension when getting up from the dental chair. Local anesthetics with epinephrine should be used with caution.

💚 Lifestyle Tips for Better Results

🏃
Maintain a healthy weight to reduce strain on your heart.
🥗
Engage in regular physical activity, but avoid strenuous exercise without consulting your doctor.
😴
Follow a heart-healthy diet low in salt, saturated fats, and cholesterol.
💧
Limit alcohol consumption and avoid smoking.
🧘
Manage stress through relaxation techniques like deep breathing or meditation.
🌞
Get adequate sleep and maintain a regular sleep schedule.

🏋️ Exercise Considerations

This medicine can reduce your heart rate and blood pressure, which may affect your exercise capacity. Avoid sudden strenuous activities. Warm up and cool down gradually. If you experience dizziness, shortness of breath, or chest pain during exercise, stop and consult your doctor.

🥗 Diet Recommendations

Reduce sodium intake to help control blood pressure.
Include potassium-rich foods like bananas, oranges, and spinach.
Choose whole grains, lean proteins, and healthy fats.
Limit processed foods, sugary drinks, and red meat.
Stay well hydrated unless otherwise advised.

💼 Impact on Daily Work & Life

This medicine may cause dizziness or fatigue, especially when you first start taking it. Avoid driving or operating heavy machinery until you know how it affects you. It should not affect your ability to work, but you may need to adjust your schedule if you experience side effects. Inform your employer if your job involves operating machinery.

🛑 When to Stop This Medicine

Do not stop taking this medicine without consulting your doctor. If you experience serious side effects or your doctor decides to discontinue it, the dose should be tapered gradually over 1-2 weeks to avoid rebound hypertension, angina, or heart attack.

📅 Long-Term Use Effects

Long-term use of this medicine is generally safe when monitored appropriately. Regular check-ups for blood pressure, heart rate, and kidney function are recommended. It may increase the risk of developing diabetes in some patients, and it can mask symptoms of low blood sugar. Periodic eye exams are advised as it may cause dry eyes. Do not stop the medicine without medical advice.

🌿 Non-Medicine Approaches

These can complement medicine but do not replace prescribed treatment.

Lifestyle modifications

Diet, exercise, and stress reduction can help manage hypertension and reduce the need for medication.

Evidence: Well-established
Other antihypertensive classes

ACE inhibitors, ARBs, calcium channel blockers, and diuretics are alternatives if beta-blockers are not suitable.

Evidence: Well-established
Angina management

Nitrates, calcium channel blockers, and ranolazine are alternatives for angina.

Evidence: Well-established

💉 Vaccination Considerations

💉 If You're Getting Vaccinated

There are no known interactions between this medicine and vaccines. However, always inform your healthcare provider about all medicines you are taking before receiving any vaccine.

📦 Storage Guide

✅ DO

Store at room temperature (15-30°C)

❌ DON'T

Do not refrigerate unless specified

✅ DO

Keep in original container

❌ DON'T

Do not transfer to unmarked containers

✅ DO

Keep away from direct sunlight

❌ DON'T

Do not store in bathroom cabinet

✅ DO

Keep out of reach of children

❌ DON'T

Do not use after expiry date

✈️ Traveling with This Medicine

When traveling, carry this medicine in its original packaging along with a copy of your prescription. Keep it in your carry-on luggage to avoid loss or temperature extremes. If crossing time zones, consult your doctor about adjusting the dosing schedule. Store at room temperature and protect from light and moisture. Check customs regulations for carrying prescription medicines in your destination country.

💰 Cost Analysis & Savings

👥 Real Patient Stories

Educational, anonymized scenarios. Individual results may vary.

👤 A 55-year-old man with hypertension and a history of heart attack
He was prescribed this medicine 50 mg once daily after his heart attack. He initially experienced fatigue and cold hands, but these improved after a few weeks. His blood pressure is now well controlled, and he has not had any further cardiac events. He emphasizes the importance of taking the medicine regularly and not skipping doses.
💡 Lesson: Consistent adherence to this medicine after a heart attack can significantly reduce the risk of future cardiovascular events.
👤 A 62-year-old woman with angina
She started this medicine 50 mg daily for angina. Her chest pain episodes decreased from daily to once a week. She learned to monitor her pulse and report any slowing below 50 beats per minute. She also made lifestyle changes like walking daily and reducing salt intake.
💡 Lesson: This medicine effectively reduces angina frequency when combined with lifestyle modifications and regular monitoring.

💬 Questions Patients Often Ask

Q: How long does it take to work?

A: This medicine starts lowering blood pressure within 1 hour, with peak effect in 2-4 hours. However, it may take a few weeks to achieve full therapeutic benefit.

Q: Can I stop taking this medicine if I feel better?

A: No, you should not stop taking this medicine without consulting your doctor. High blood pressure often has no symptoms, and stopping suddenly can cause serious heart problems.

Q: What should I do if I miss a dose?

A: If you miss a dose, take it as soon as you remember. If it is almost time for your next dose, skip the missed dose and continue with your regular schedule. Do not double the dose.

Q: Is it safe to take this medicine during pregnancy?

A: This medicine may not be safe during pregnancy as it can affect fetal growth. Consult your doctor for alternative treatments if you are pregnant or planning to become pregnant.

Q: Can I drink alcohol while taking this medicine?

A: It is advisable to avoid alcohol as it can increase the blood pressure-lowering effect and cause dizziness or drowsiness.

🤔 Common Patient Concerns

💭 These are the concerns patients most commonly raise

  • Can I take this medicine long-term?
  • Will it affect my kidney function?
  • Can I drive after taking this medicine?
  • Does it interact with my blood pressure medicine?
  • What if I miss a dose?
  • Can I drink alcohol while taking this?
  • Will it affect my blood sugar levels?
  • Can I take it during pregnancy?

🔄 Substitutes for intalol 50mg tablet

View All

Alternative brands with exact same active ingredient:

Medical Note: Always consult your doctor before switching medications.

🛑 Myths vs. Facts

  • Myth: Atekind 50mg tablet can be stopped once blood pressure is normal.
    Fact: High blood pressure often has no symptoms, and stopping the medicine can cause a dangerous rebound increase in blood pressure and heart problems. Always consult your doctor before stopping.
  • Myth: Atekind 50mg tablet is safe for everyone with high blood pressure.
    Fact: It is not suitable for people with certain heart conditions, asthma, or severe kidney problems. Your doctor will determine if it is right for you.
  • Myth: Atekind 50mg tablet causes weight gain.
    Fact: Weight gain is not a common side effect of atenolol. Some beta-blockers may be associated with slight weight gain, but this is not typical for atenolol.

🔄 Alternative Options

Generic Alternatives

  • Atenolol 50mg tablet

Brand Alternatives

  • Tenormin
  • Aten

📊 Comparison with Similar Medicines

[{"medicine":"Atenolol","class":"Beta-1 selective blocker","half_life":"6-7 hours","excretion":"Renal","common_uses":"Hypertension, angina, post-MI"},{"medicine":"Metoprolol","class":"Beta-1 selective blocker","half_life":"3-7 hours","excretion":"Hepatic","common_uses":"Hypertension, angina, heart failure"},{"medicine":"Bisoprolol","class":"Beta-1 selective blocker","half_life":"10-12 hours","excretion":"Renal and hepatic","common_uses":"Hypertension, heart failure"}]

😊 Was this information helpful?

Browse Medicines A-Z

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
Back to Medicines Directory