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Prescription requiredAbbott Healthcare Pvt LtdAntihypertensive

Tenormin 25 Tablet

Atenolol (25mg)

Tenormin 25 Tablet is used for treatment of hypertension (high blood pressure), angina pectoris (chest pain due to coronary artery disease), control of heart rate in certain tachyarrhythmias; may be used after myocardial infarction as advised by doctor.

Medically reviewed by Dr. Balaji Krishnan, MBBS · Updated September 2026

₹56₹4.01 per tablet
Licensed pharmacyPharmacist-verified orderDelivered across India

Key details

Salt: Atenolol (25mg)
Available variants: tablet 14 Tablet
Best price: ₹56 (₹4.01 per tablet)
Prescription: Required
Manufacturer: ABBOTT HEALTHCARE LIMITED

Ordering notes

Standard delivery across India. No same-day delivery nationally.
Chennai express delivery is possible and chargeable. Learn more
Returns & refunds: orders can be cancelled before dispatch; after dispatch, returns depend on the item category. Read the full policy

Same salt, lower price

Medicines with the same active ingredient and strength as Tenormin 25 Tablet.

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Tenormin 25 Tablet

tablet - 14 Tablet

₹56

₹4.01 per tablet

  • Aten 25 Tablet

    ZYDUS HEALTHCARE PHARMA · tablet - 14 Tablet · Rx

    ₹35

    ₹2.48 per tablet

    Save 38%
  • Betacard 25 Tablet

    Torrent Pharmaceuticals Ltd · tablet - 14 Tablet · Rx

    ₹56

    ₹3.96 per tablet

Compare all substitutes
Same salt, different brand — what does that mean?

A substitute contains the same active ingredient (salt), in the same strength, as Tenormin 25 Tablet. The medicine inside is the same — the brand name, manufacturer and price are what differ.

All medicines sold in India, branded or generic, must meet the quality standards set by the national drug regulator (CDSCO). A lower price does not mean lower quality.

Please confirm with your doctor or pharmacist before switching brands — they will check that the strength and form match your prescription.

Composition of Tenormin 25 Tablet

Tenormin 25 Tablet contains Atenolol (25mg). It belongs to the Selective beta-1 blocker (Beta-blocker) class of medicines.

Uses of Tenormin 25 Tablet

  • Treatment of hypertension (high blood pressure)
  • angina pectoris (chest pain due to coronary artery disease)
  • control of heart rate in certain tachyarrhythmias; may be used after myocardial infarction as advised by doctor.

Key benefits

  • Lowers high blood pressure
  • Reduces frequency of angina attacks
  • Helps control fast heart rate/arrhythmias
  • Reduces workload and oxygen demand of the heart

How Tenormin 25 Tablet works

Atenolol is a selective beta-1 adrenergic receptor blocker. It reduces heart rate and force of contraction and lowers renin release from kidneys, leading to reduced blood pressure and decreased oxygen demand by the heart.

How to take Tenormin 25 Tablet

Take orally as prescribed, usually once daily at the same time each day. Can be taken with or without food. Swallow tablet with water; do not stop suddenly without medical advice.

Take it exactly as your doctor prescribed. Do not change the dose or stop early on your own.

Missed dose and overdose

If you miss a dose

If you miss a dose of Tenormin 25 Tablet, take it as soon as possible. However, if it is almost time for your next dose, skip the missed dose and go back to your regular schedule. Do not double the dose.

If you take too much

An overdose of this medicine can cause a dangerously slow heartbeat, a severe fall in blood pressure, wheezing and fits. Do not wait for symptoms to appear — go to the nearest emergency department and take the pack or strip with you.

Side effects of Tenormin 25 Tablet

Most side effects of Tenormin are mild and settle as the body adjusts. Reported side effects include:

  • Bradycardia (slow pulse)
  • dizziness
  • fatigue
  • cold hands/feet
  • low blood pressure
  • nausea
  • diarrhea
  • shortness of breath (rare)
  • sleep disturbances

Stop the medicine and seek help immediately for a rash, swelling of the face or lips, wheezing or difficulty breathing. Tell your doctor about any side effect that persists or worries you.

Safety advice for Tenormin 25 Tablet

PregnancyUse with caution / Consult doctor (may affect fetal growth; use only if clearly needed)
BreastfeedingBreast feeding UNSAFE
AlcoholUse with caution (may increase dizziness and low blood pressure)
DrivingDriving UNSAFE
KidneyKidney CAUTION
LiverLiver SAFE IF PRESCRIBED
Habit formingNo

Warnings and precautions

Schedule H: use only on prescription. Do not stop abruptly (may worsen angina or cause rebound hypertension). Use with caution in asthma/COPD (may precipitate bronchospasm), diabetes (may mask hypoglycemia symptoms), peripheral vascular disease, depression, thyroid disorders, myasthenia gravis, and in elderly. Contraindicated in severe bradycardia, second/third-degree heart block, cardiogenic shock, and uncontrolled heart failure. Monitor BP and pulse regularly; seek care if fainting, wheezing, or very slow heartbeat occurs.

Do not take Tenormin if

Not for anyone with a known allergy to this medicine or to any ingredient in the pack. Not for people with a very slow heart rate, certain heart block disorders, or uncontrolled heart failure. Generally avoided in severe asthma.

Interactions with other medicines

Other antihypertensives (additive hypotension),verapamil/diltiazem (risk of severe bradycardia/heart block),digoxin (bradycardia),clonidine (rebound hypertension if clonidine stopped first),NSAIDs (may reduce BP-lowering effect),insulin/oral antidiabetics (masks hypoglycemia),antiarrhythmics like amiodarone (bradycardia),anesthetic agents (enhanced hypotension)

How to store Tenormin 25 Tablet

Store below 25°C in a dry place, protected from moisture and light. Keep out of reach of children.

Expert advice for Tenormin 25 Tablet

It may cause dizziness. If this happens to you, get up slowly when rising from a sitting or lying position. It can hide symptoms of low blood sugar if you are diabetic. Monitor your blood sugar levels regularly. Do not stop taking Tenormin 25 Tablet suddenly as it can cause your blood pressure to rise suddenly, thereby increasing the risk of heart attack and stroke.

Manufacturer and class

Manufacturer:
ABBOTT HEALTHCARE LIMITED
Therapeutic class:
Antihypertensive
Drug class:
Selective beta-1 blocker (Beta-blocker)
Chemical class:
Phenylacetamides

Substitutes for Tenormin 25 Tablet

Medicines with the same active ingredient (Atenolol (25mg)). Ask your doctor or pharmacist before switching brands.

MedicinePackPricevs Tenormin 25 Tablet
Ziblok 25 mgFDC Ltd14`S₹1376% cheaper
Aten 25 TabletZYDUS HEALTHCARE PHARMAtablet · 14 Tablet₹3538% cheaper
Atecard 50 mgALEMBIC PHARMA14`S₹3538% cheaper
Betacard 25 TabletTorrent Pharmaceuticals Ltdtablet · 14 Tablet₹561% cheaper
Tenolol 25 mg TabletIPCA LABORATORIES LTD`tablet · 14`S₹56same price
Atecard 25 mgALEMBIC PHARMA14`S₹595% more
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Tenormin 25 Tablet FAQs

What is Tenormin 25 Tablet used for?
Tenormin 25 Tablet is commonly used for Treatment of hypertension (high blood pressure), angina pectoris (chest pain due to coronary artery disease), control of heart rate in certain tachyarrhythmias; may be used after myocardial infarction as advised by doctor. Always follow your doctor's advice, this information is for educational purposes and not a substitute for professional medical guidance.
What is the salt in Tenormin 25 Tablet?
Tenormin 25 Tablet contains Atenolol (25mg). If you are allergic to any of these active ingredients or excipients, do not take this medicine and speak to your doctor first.
How should I take Tenormin 25 Tablet?
Take orally as prescribed, usually once daily at the same time each day. Take it exactly as prescribed; do not change the dose or stop early without talking to your doctor.
How does Tenormin 25 Tablet work?
Atenolol is a selective beta-1 adrenergic receptor blocker.
Is Tenormin 25 Tablet a prescription medicine?
Yes. Tenormin 25 Tablet is a prescription-only (Rx) medicine. Upload a valid prescription from a registered medical practitioner during checkout. We cannot dispense it without a valid Rx.
What are the common side effects of Tenormin 25 Tablet?
The side effects reported most often with Tenormin are Bradycardia (slow pulse), dizziness, fatigue, cold hands/feet, low blood pressure. Most are mild and settle as the body adjusts; tell your doctor if any of them persist or worry you, and stop the medicine and seek help at once for a rash, swelling of the face or lips, or difficulty breathing.
Can Tenormin 25 Tablet be taken during pregnancy?
Use with caution / Consult doctor (may affect fetal growth; use only if clearly needed) Always tell your doctor if you are pregnant, planning a pregnancy or breastfeeding before starting Tenormin.
Can I drink alcohol while taking Tenormin 25 Tablet?
Use with caution (may increase dizziness and low blood pressure)
What if I miss a dose of Tenormin 25 Tablet?
If you miss a dose of Tenormin 25 Tablet, take it as soon as possible.
Is Tenormin 25 Tablet habit forming?
No. Tenormin 25 Tablet is not known to be habit forming when taken as prescribed.
Is there a cheaper substitute for Tenormin 25 Tablet?
Ziblok 25 mg has the same active ingredient and strength and is listed from ₹13 on PingMeDoc Pharmacy. Ask your doctor or pharmacist before switching brands, the salt is the same, but excipients and release profiles can differ.
How much does Tenormin 25 Tablet cost on PingMeDoc Pharmacy?
Tenormin 25 Tablet starts at ₹56 on PingMeDoc Pharmacy. Available in tablet 14 Tablet. Final price is confirmed at checkout and may vary by variant and location.
Who manufactures Tenormin 25 Tablet?
Tenormin 25 Tablet is manufactured by ABBOTT HEALTHCARE LIMITED. PingMeDoc Pharmacy sources medicines only from licensed manufacturers and distributors.
How is Tenormin 25 Tablet delivered?
Tenormin 25 Tablet is delivered across India via our licensed pharmacy partners. Standard delivery timelines are confirmed at checkout. Chennai customers can opt for chargeable same-city express delivery.

Tenormin 25 Tablet, Quick facts

Salt
Atenolol (25mg)
Form
tablet
Best price
₹56 (₹4.01 per tablet)
Prescription
Required (Rx)
Schedule
Schedule H
Brand
Abbott Healthcare Pvt Ltd
Manufacturer
ABBOTT HEALTHCARE LIMITED
Therapeutic class
Antihypertensive
Drug class
Selective beta-1 blocker (Beta-blocker)
Chemical class
Phenylacetamides
Action class
Beta blocker- Cardioselective
Habit forming
No
Variants
tablet 14 Tablet
Delivery
Standard across India

References

The information on Tenormin 25 Tablet is compiled from the manufacturer's prescribing information and the sources below, and is reviewed by a registered medical practitioner. It does not replace advice from your own doctor.

  1. Manufacturer labeling,CDSCO/Schedule H regulations,Indian Pharmacopoeia,established medical literature (beta-blockers/atenolol monographs)
  2. Central Drugs Standard Control Organisation (CDSCO), Ministry of Health & Family Welfare, Government of India, approved drug and schedule listings.
  3. National List of Essential Medicines (NLEM) 2022, Government of India.
  4. Manufacturer's package insert / prescribing information for Tenormin 25 Tablet.
  5. World Health Organization, ATC/DDD classification and Model Formulary for the active ingredient.

Next steps

Safety disclaimer

Product information is for general awareness and does not replace professional medical advice. Always follow a clinician's guidance and upload a valid prescription when required.