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  3. Tenoz 100mg/25mg Tablet

Tenoz 100mg/25mg Tablet, Pack of 1 Tablet
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Written By Bayyarapu Mahesh Kumar , M Pharmacy
Reviewed By Santoshini Reddy G , M Pharmacy
Tenoz 100mg/25mg Tablet belongs to the class of antihypertensive medicines used in the treatment of high blood pressure. This medicine also helps reduce the chances of heart problems such as heart attack and stroke. It is a combination medicine which alters the response to nerve impulses in the heart. It also helps reduce the amount of water (fluid) in the body thereby reducing the blood pressure. Common side effects include low heart rate, cold extremities, diarrhoea, nausea, and fatigue.
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Composition :

ATENOLOL-100MG + CHLORTHALIDONE-25MG

Consume Type :

ORAL

Return Policy :

Not Returnable

About Tenoz 100mg/25mg Tablet

Tenoz 100mg/25mg Tablet belongs to the class of medicines called 'antihypertensive agents' used to treat high blood pressure. Hypertension is a chronic medical condition when blood pressure is too high. Blood pressure is the measurement of the force that the heart uses to pump blood to all body parts. If the blood pressure becomes uncontrolled, it may cause serious heart diseases like brain damage (stroke), heart attack, and kidney failure. 

Tenoz 100mg/25mg Tablet contains Atenolol and Chlorthalidone. Atenolol is a beta-blocker that acts by altering the response to nerve impulses in the heart. Consequently, the heart beats slower and lowers the blood pressure. Chlorthalidone is a diuretic (water pill) that reduces the amount of water (fluid) in the body by boosting the volume of urine produced by the kidneys, which helps to lower blood pressure. As a result, Tenoz 100mg/25mg Tablet aids in blood pressure regulation.

Take Tenoz 100mg/25mg Tablet as prescribed. Some people may experience low heart rate (slower-than-expected heart rate), cold extremities, diarrhoea, nausea, and fatigue (feeling tired). Most of these side effects do not need medical treatment and fade away with time. If the side effects persist or worsen, consult the doctor.

Do not take Tenoz 100mg/25mg Tablet if you are allergic to atenolol, chlorthalidone, or any other ingredients in this medication, or if you have ever had second or third-degree heart block, very slow or uneven heartbeats, severe kidney disorder, metabolic acidosis (higher than normal levels of acid in the blood), or phaeochromocytoma (a tumour of adrenal glands). It is not recommended to take Tenoz 100mg/25mg Tablet if you are pregnant or breastfeeding. Please inform your doctor if you are taking any other medications or are allergic to any medications. Tenoz 100mg/25mg Tablet should not be given to children.

Uses of Tenoz 100mg/25mg Tablet

Tenoz 100mg/25mg Tablet is used in the treatment of High blood pressure (hypertension). The detailed uses of Tenoz 100mg/25mg Tablet are as follows:<br/>• Manage Hypertension: Tenoz 100mg/25mg Tablet reduces blood pressure by relaxing blood vessels and increasing urine production, easing the workload on the heart, and improving overall cardiovascular health.<br/>• Reduce Cardiovascular Risk: Tenoz 100mg/25mg Tablet effectively manages blood pressure, which helps to minimize the risks of heart attacks, and strokes associated with uncontrolled hypertension.<br/>

Directions for Use

• Tenoz 100mg/25mg Tablet can be taken with or without food.• It is advised to take Tenoz 100mg/25mg Tablet once daily or as advised by a doctor.• Swallow the Tenoz 100mg/25mg Tablet as a whole with a glass of water.• Do not chew, crush or break it.

Medicinal Benefits

Tenoz 100mg/25mg Tablet belongs to the class of medicines called 'antihypertensive agents' used to treat high blood pressure. Tenoz 100mg/25mg Tablet contains Atenolol and Chlorthalidone. Atenolol is a beta-blocker that acts by altering the response to nerve impulses in certain regions of the body, such as the heart. Consequently, the heart beats slower and lowers the blood pressure. When blood pressure is reduced, the amount of blood and oxygen delivered to the heart increases. On the other hand, Chlorthalidone is a diuretic (water pill) that reduces the amount of water (fluid) in the body by boosting the volume of urine produced by the kidneys, which helps to lower blood pressure. As a result, Tenoz 100mg/25mg Tablet aids in blood pressure regulation.

How Tenoz 100mg/25mg Tablet Works

Tenoz 100mg/25mg Tablet contains Atenolol and Chlorthalidone. Atenolol is a beta-blocker that acts by altering the response to nerve impulses in the heart. Consequently, the heart beats slower and lowers the blood pressure. Chlorthalidone is a diuretic (water pill) that reduces the amount of water (fluid) in the body by boosting the volume of urine produced by the kidneys, which helps to lower blood pressure. As a result, Tenoz 100mg/25mg Tablet aids in blood pressure regulation.

Storage

• Store in a cool and dry place away from sunlight.• Keep out of sight and reach of children.• Non cold chain - To be stored in cool places at 10ºC to 25ºC or below 30ºC.

What if I have taken an overdose of Tenoz 100mg/25mg Tablet

Take Tenoz 100mg/25mg Tablet only as prescribed by the doctor. Avoid exceeding the recommended dose as it could lead to an overdose. Symptoms of overdose may include extreme weakness, nausea, chest tightness, wheezing, trouble breathing, swelling, rapid weight gain, slow heartbeats, feeling lightheaded or fainting. If you experience these symptoms or suspect you have taken an overdose, seek immediate medical attention.

Drug Warnings

Do not take Tenoz 100mg/25mg Tablet if you are allergic to atenolol, chlorthalidone, or any other ingredients in this medication, or if you have ever had second or third-degree heart block, very slow or uneven heartbeats, severe kidney disorder, metabolic acidosis (higher than normal levels of acid in your blood), or phaeochromocytoma. If you have asthma or wheezing, consult your doctor before using this medication. It is not recommended to take Tenoz 100mg/25mg Tablet if you are pregnant or breastfeeding. Please inform your doctor if you are already taking any other medications or are allergic to any medications. Tenoz 100mg/25mg Tablet is not recommended in children as the safety and efficacy of Tenoz 100mg/25mg Tablet in children have not been established.

Drug-Drug Interactions

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chlorthalidoneCisapride
Critical
AtenololAcebutolol
Severe

Drug-Drug Interactions

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chlorthalidoneCisapride
Critical
How does the drug interact with Tenoz 100mg/25mg Tablet:
Co-administration of Tenoz 100mg/25mg Tablet and cisapride may increase the risk or severity of an irregular heart rhythm that may be serious.

How to manage the interaction:
Taking Tenoz 100mg/25mg Tablet with Cisapride is not recommended, please consult your doctor before taking it. Do not discontinue the medication without consulting a doctor.
AtenololAcebutolol
Severe
How does the drug interact with Tenoz 100mg/25mg Tablet:
Coadministration of Tenoz 100mg/25mg Tablet and Acebutolol they both may enhance blood pressure-lowering effect.

How to manage the interaction:
Taking Tenoz 100mg/25mg Tablet and acebutolol together can result in an interaction, it can be taken if a doctor has advised it. Do not discontinue any medications without consulting a doctor.
AtenololClonidine
Severe
How does the drug interact with Tenoz 100mg/25mg Tablet:
Co-administration of Clonidine and Tenoz 100mg/25mg Tablet may lower blood pressure and slower heart rate.

How to manage the interaction:
Although there is a possible interaction between Clonidine and Tenoz 100mg/25mg Tablet, you can take these medicines together if prescribed by a doctor. However, if you experience headaches, slow heartbeat, dizziness, contact a doctor. Do not discontinue the medication without consulting a doctor.
AtenololFingolimod
Severe
How does the drug interact with Tenoz 100mg/25mg Tablet:
Using Tenoz 100mg/25mg Tablet with fingolimod can result in an abnormally slow heart rate, which can lead to significant heart issues.

How to manage the interaction:
Taking Tenoz 100mg/25mg Tablet and fingolimod together may result in an interaction, it can be taken if a doctor has recommended it. However, if you experience dizziness, lightheadedness, fainting, shortness of breath, chest pain, or heart palpitations during treatment, consult the doctor. Do not discontinue any medications without consulting a doctor.
AtenololDisopyramide
Severe
How does the drug interact with Tenoz 100mg/25mg Tablet:
When disopyramide is used with Tenoz 100mg/25mg Tablet, it may increase the effects of disopyramide.

How to manage the interaction:
When Tenoz 100mg/25mg Tablet is used with disopyramide, it can result in an interaction, but it can be taken if a doctor has advised it. However, if you experience dizziness, fainting, heart palpitations, slow or fast pulse, or irregular heartbeats, consult the doctor immediately. Do not stop using any medication without consulting a doctor.
AtenololTheophylline
Severe
How does the drug interact with Tenoz 100mg/25mg Tablet:
Using Tenoz 100mg/25mg Tablet with theophylline, could increase the effects of theophylline.

How to manage the interaction:
Taking Tenoz 100mg/25mg Tablet and theophylline together can result in an interaction, it can be taken if a doctor has advised it. However, if you experience nausea, vomiting, insomnia, shaking of hands and legs, restlessness, uneven heartbeats, or difficulty breathing, contact the doctor immediately. Do not discontinue any medications without consulting a doctor.
AtenololNebivolol
Severe
How does the drug interact with Tenoz 100mg/25mg Tablet:
Coadministration of Tenoz 100mg/25mg Tablet and Nebivolol may increase the risk of irregular heart rhythm.

How to manage the interaction:
Taking Tenoz 100mg/25mg Tablet and Nebivolol together can result in an interaction, it can be taken if a doctor has advised it. Do not discontinue any medications without consulting a doctor.
AtenololBisoprolol
Severe
How does the drug interact with Tenoz 100mg/25mg Tablet:
When Bisoprolol is combined with Tenoz 100mg/25mg Tablet the severity or risk of side effects may be increased.

How to manage the interaction:
Although there may be an interaction, Tenoz 100mg/25mg Tablet can be taken with bisoprolol if prescribed by the doctor. Consult the prescriber if you experience any unusual side effects. Do not discontinue the medication without consulting a doctor.
AtenololRitodrine
Severe
How does the drug interact with Tenoz 100mg/25mg Tablet:
Coadministration of Tenoz 100mg/25mg Tablet and ritodrine may cause either medication to be less effective.

How to manage the interaction:
Although taking Tenoz 100mg/25mg Tablet with ritodrine can result in an interaction, it can be taken if a doctor has advised it. Do not stop using any medications without a doctor's advice.
AtenololDolasetron
Severe
How does the drug interact with Tenoz 100mg/25mg Tablet:
Using dolasetron together with Tenoz 100mg/25mg Tablet can increase the risk of an irregular heart rhythm that may be serious.

How to manage the interaction:
Although there is a possible interaction between Tenoz 100mg/25mg Tablet and Dolasetron, you can take these medicines together if prescribed by a doctor. If you have any of these symptoms, like feeling dizzy, lightheaded, or your heart beating irregularly, it's important to call a doctor right away. Do not stop using any medications without talking to a doctor.

Drug-Food Interactions

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No Drug - Food interactions found in our database. Some may be unknown. Consult your doctor for what to avoid during medication.

Drug-Food Interactions

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Diet & Lifestyle Advise

  • Regular exercise reduces blood pressure by supporting the health of your heart and blood vessels.

  • Eat healthy by consuming plenty of fruits and vegetables, whole grains, fat-free or low-fat dairy products, and lean proteins.

  • Stop smoking since it raises your heart rate and blood pressure. 

  • Reduce alcohol consumption as it elevates blood pressure and worsens heart failure.

  • Chronic stress should be avoided because it can raise your blood pressure. To cope with stress and practise mindfulness techniques, try to appreciate and spend time with your loved ones.

  • Include heart-healthy omega-3 fatty acid-containing foods & beverages in your daily diet.

  • Limit the intake of table salt in your regular diet.

Habit Forming

No

Therapeutic Class

ANTI- HYPERTENSIVES

Tenoz 100mg/25mg Tablet Substitute

Substitutes safety advice

Product Substitutes

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Alcohol

Unsafe

You are recommended not to consume alcohol while using Tenoz 100mg/25mg Tablet.

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Pregnancy

Unsafe

Do not take the Tenoz 100mg/25mg Tablet if you are pregnant or trying to get pregnant. Please consult the doctor if you have any concerns.

bannner image

Breast Feeding

Unsafe

Do not take Tenoz 100mg/25mg Tablet if you are breastfeeding. Seek medical advice from the doctor if you have any concerns.

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Driving

Caution

Tenoz 100mg/25mg Tablet may cause dizziness or fatigue. Do not drive or use machinery until you are alert.

bannner image

Liver

Caution

Tenoz 100mg/25mg Tablet to be taken with caution, especially if you have a history of Liver diseases/conditions. Please consult the doctor. The doctor will prescribe only if the benefits outweigh the risks.

bannner image

Kidney

Caution

Dose adjustment may be necessary. Please consult the doctor if you have any concerns.

bannner image

Children

Unsafe

The safety and efficacy of Tenoz 100mg/25mg Tablet in children have not been established. Tenoz 100mg/25mg Tablet is not recommended in children.

Have a query?

FAQs

Tenoz 100mg/25mg Tablet is used to treat high blood pressure.

Tenoz 100mg/25mg Tablet contains Atenolol and Chlorthalidone. Atenolol alters the response to nerve impulses in certain regions of the body, such as the heart. Consequently, the heart beats slower and lowers the blood pressure. Chlorthalidone reduces the amount of water (fluid) in the body by boosting the volume of urine produced by the kidneys, which helps lower blood pressure. As a result, Tenoz 100mg/25mg Tablet aids in blood pressure regulation.

High blood pressure is a life-long condition. Tenoz 100mg/25mg Tablet should be taken for as long as your doctor has prescribed it. It will help if you do not abruptly discontinue Tenoz 100mg/25mg Tablet without discussing it with a doctor.

No, you are not recommended to stop taking Tenoz 100mg/25mg Tablet without consulting your doctor as it may cause blood pressure to rise, increasing the risk of heart attack and stroke. Therefore, take Tenoz 100mg/25mg Tablet for as long as your doctor has prescribed it, and if you experience any difficulty while taking Tenoz 100mg/25mg Tablet, please consult your doctor so that the dose may be gradually reduced.

Tenoz 100mg/25mg Tablet may alter blood glucose levels. Therefore, consult your doctor if you have diabetes. Regularly monitor blood sugar levels while taking Tenoz 100mg/25mg Tablet.

Tenoz 100mg/25mg Tablet can be taken with or without food, as advised by your doctor, and it's recommended to take it the same way every day.

When taking Tenoz 100mg/25mg Tablet, it's essential to follow certain precautions. Do not take this medication if you are allergic to any of its ingredients or if you have second or third-degree heart block, irregular or slow heartbeats, severe kidney disease, metabolic acidosis, or a rare adrenal gland tumour. Additionally, consult your doctor before use if you have asthma or wheezing. This medication is also not recommended during pregnancy or while breastfeeding. Furthermore, inform your doctor about any other medications you are taking or pre-existing medical conditions to rule out potential interactions.

Yes, Tenoz 100mg/25mg Tablet can cause electrolyte imbalance due to its diuretic component, chlorthalidone. Regular electrolyte level monitoring is recommended while taking this medication to minimise this risk.

Tenoz 100mg/25mg Tablet starts working within 2 hours. However, this timeframe may vary slightly from person to person. Consistent use of the medication as directed by your doctor is necessary to achieve optimal effects.

It is not recommended to consume alcohol while taking Tenoz 100mg/25mg Tablet as it may cause unpleasant side effects. Please consult a doctor if you have any concerns.

If you accidentally take more than the prescribed dose of Tenoz 100mg/25mg Tablet, seek medical attention immediately. Inform your doctor or visit the nearest emergency room. Overdose symptoms may include slow heart rate, low blood pressure, and difficulty breathing. Prompt medical attention is essential to prevent serious complications.

Tenoz 100mg/25mg Tablet, an antihypertensive medication, may be prescribed for long-term use, and in some cases, lifelong, to manage high blood pressure. However, it's essential to take this medication only under your doctor's guidance and close monitoring. Regular check-ups and blood pressure monitoring will help your doctor adjust the dosage and ensure the medication's effectiveness and safety.

If you forgot to take a dose of Tenoz 100mg/25mg Tablet, take it as soon as you remember unless it’s almost time for your next dose. In that case, skip the missed dose and continue your regular dosing schedule. Do not double the dose.

Tenoz 100mg/25mg Tablet may affect your sexual life. Some common side effects of this medication include decreased libido, erectile dysfunction, and impotence. If you experience any of these side effects, consult your doctor for guidance.

The side effects of Tenoz 100mg/25mg Tablet include low heart rate (slower-than-expected heart rate), nausea, fatigue (feeling tired), cold extremities, and diarrhoea. Most of these side effects do not need medical treatment and gradually resolve over time. If the side effects persist or worsen, consult the doctor.

Country of origin

India
Other Info - TE10315

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Author Details

Bayyarapu Mahesh KumarDoctor badge

Written By

Bayyarapu Mahesh Kumar

M Pharmacy

Santoshini Reddy GDoctor badge

Reviewed By

Santoshini Reddy G

M Pharmacy

Last Updated

Jul 18, 2025 | 6:59 AM IST

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Reference

  1. https://www.medicines.org.uk/emc/files/pil.5498.pdf
  2. https://www.drugs.com/drug-interactions/atenolol-chlorthalidone-index.html
  3. https://cdscoonline.gov.in/CDSCO/Drugs
  4. https://www.nhs.uk/conditions/high-blood-pressure-hypertension/
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