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  1. Home
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  3. Tenoz 100mg/25mg Tablet

Written By Bayyarapu Mahesh Kumar , M Pharmacy
Reviewed By Santoshini Reddy G , M Pharmacy
Tenoz 100mg/25mg Tablet, Pack of 1 Tablet
Tenoz 100mg/25mg Tablet, Pack of 1 Tablet
Non returnable*
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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

High blood pressure (hypertension)

Directions for Use

Tenoz 100mg/25mg Tablet can be taken with or without food or as directed by your physician. Swallow it as a whole with water; do not crush, break or chew 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.

Storage

Keep out of sight and reach of children.
Side effects of Tenoz 100mg/25mg Tablet
  • Talk to your doctor about oral potassium supplements.
  • Eat potassium rich foods such as bananas, avocados, oranges, dark leafy greens, beans and peas, fish, spinach, milk and tomatoes.
  • Inform your doctor if you have an underlying condition, like kidney disease or heart failure, contributing to the imbalance.
  • Eat a balanced diet with potassium (bananas, spinach), sodium (salt, soy sauce), calcium (dairy, leafy greens), and magnesium (nuts, dark chocolate).
  • Drink electrolyte-rich beverages like sports drinks (Gatorade, Powerade), coconut water, and fresh vegetable juice.
  • Stay hydrated throughout the day by drinking lots of water.
  • Avoid excessive intake of sugary, salty, and unhealthy fatty foods.
  • If you have a persistent electrolyte imbalance after making dietary and lifestyle modifications, get medical help.
Here are the steps to cope with constipation as a side effect of medication:
  • Inform your doctor about your constipation symptoms. They may adjust your medication or advise alternative treatments.
  • Stay hydrated by drinking sufficient of water (at least 8-10 glasses a day) to help soften stool and promote bowel movements.
  • Increase fibre intake by eating foods high in fibre, such as fruits, whole grains, vegetables and legumes, to help bulk up the stool.
  • Establish a bowel routine by trying to go to the bathroom at the same time each day to train your bowels.
  • Engaging in regular exercise, like walking or yoga, can support in bowel movement stimulation.
  • Consult your doctor if constipation persists, and discuss alternative treatments or adjustments to your medication.
  • Drink plenty of water throughout the day to prevent dehydration-induced muscle cramps and spasms.
  • Include magnesium and potassium-rich foods like bananas, leafy greens, almonds, avocados, and sweet potatoes in your diet to help relax muscles.
  • Perform gentle stretches for affected muscle groups multiple times a day, especially before and after
  • Engage in activities like swimming, walking, or yoga to maintain muscle flexibility and range of motion.
  • Stay in a comfortable environment and avoid exposure to excessive heat or cold, which can worsen spasticity.
  • Apply heat or cold packs to affected areas as needed, depending on your individual response.
  • Aim for adequate sleep to support muscle recovery.
  • Adjust your sleeping position to minimize muscle tension.
  • Practice deep breathing exercises, meditation, or progressive muscle relaxation to manage stress.
Dealing with Medication-Induced Headache:
  • Hydrate your body: Drink enough water to prevent dehydration and headaches.
  • Calm Your Mind: Deep breathing and meditation can help you relax and relieve stress.
  • Rest and Recharge: Sleep for 7-8 hours to reduce headache triggers.
  • Take rest: lie down in a quiet, dark environment.
  • Cold or warm compresses can help reduce tension.
  • Stay Upright: Maintain good posture to keep symptoms from getting worse.
  • To treat headaches naturally, try acupuncture or massage therapy.
  • Over-the-counter pain relievers include acetaminophen and ibuprofen.
  • Prescription Assistance: Speak with your doctor about more substantial drug alternatives.
  • Severe Headaches: Seek emergency medical assistance for sudden, severe headaches.
  • Frequent Headaches: If you get reoccurring headaches, consult your doctor.
  • Headaches with Symptoms: Seek medical attention if your headaches include fever, disorientation, or weakness.
  • Restlessness is related to mental health and needs medical attention if it's severe.
  • Regular practice of meditation and yoga can help calm your mind. This can reduce restlessness.
  • Prevent smoking as it can impact your calmness of body and mind.
  • Talk to your friends and family about restlessness, who can provide a solution for why you feel restless.
  • Get sufficient sleep for a minimum of 6-7 hours to reduce restlessness.

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
AtenololTizanidine
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.
AtenololTizanidine
Severe
How does the drug interact with Tenoz 100mg/25mg Tablet:
Coadministration of Tizanidine and Tenoz 100mg/25mg Tablet can increase the risk or severity of side effects like low blood pressure.

How to manage the interaction:
Taking Tenoz 100mg/25mg Tablet and tizanidine together may result in an interaction, it can be taken if your doctor has recommended it. However, if you experience headache, dizziness, lightheadedness, sweating, or palpitations, consult the doctor. Do not discontinue any medications without consulting a doctor.
AtenololPropranolol
Severe
How does the drug interact with Tenoz 100mg/25mg Tablet:
Taking Tenoz 100mg/25mg Tablet and propranolol together may lower your blood pressure excessively which may lead to side effects.

How to manage the interaction:
Combined use of Tenoz 100mg/25mg Tablet and propranolol may result in an interaction, it can be taken if your doctor has advised it. However, if you experience any unusual symptoms contact your doctor immediately. Do not stop using any medications without first talking to your doctor.
AtenololAminophylline
Severe
How does the drug interact with Tenoz 100mg/25mg Tablet:
Coadministration of Tenoz 100mg/25mg Tablet with aminophylline could certainly reduce the efficacy of Tenoz 100mg/25mg Tablet and enhance the effects of aminophylline.

How to manage the interaction:
Taking Tenoz 100mg/25mg Tablet alongside aminophylline can result in an interaction, it can be taken if a doctor has advised it. However, if you experience nausea, vomiting, insomnia, tremors, restlessness, uneven heartbeats, or difficulty breathing, contact a doctor immediately. Do not discontinue any medications without consulting a doctor.
AtenololVerapamil
Severe
How does the drug interact with Tenoz 100mg/25mg Tablet:
Taking verapamil with Tenoz 100mg/25mg Tablet can increase the risk or severity of verapamil side effects.

How to manage the interaction:
Taking Tenoz 100mg/25mg Tablet and Verapamil together can result in an interaction, it can be taken if a doctor has advised it. However, if you experience, fatigue, headache, fainting, swelling of the extremities, weight gain, shortness of breath, chest pain, increased or decreased heartbeat, or irregular heartbeat, contact a doctor immediately. Do not discontinue any medications 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.
AtenololCarvedilol
Severe
How does the drug interact with Tenoz 100mg/25mg Tablet:
Taking Tenoz 100mg/25mg Tablet and carvedilol may increase the risk of irregular heart rhythms.

How to manage the interaction:
Taking Tenoz 100mg/25mg Tablet and Carvedilol can result in an interaction, it can be taken if a doctor has advised it. However, if you experience any shortness of breath, palpitations, or chest discomfort, contact a doctor immediately. Do not stop taking any medication without checking with 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.
AtenololAtazanavir
Severe
How does the drug interact with Tenoz 100mg/25mg Tablet:
The use of atazanavir with Tenoz 100mg/25mg Tablet may raise the risk of an abnormal heart rhythm.

How to manage the interaction:
The combination of Tenoz 100mg/25mg Tablet and acebutolol may result in an interaction, it can be taken if a doctor has advised it. However, if you develop sudden dizziness, lightheadedness, fainting, or irregular heartbeat, contact the doctor immediately. Do not stop using any medications without a doctor's advice.
AtenololAceclofenac
Severe
How does the drug interact with Tenoz 100mg/25mg Tablet:
Co-administration of Tenoz 100mg/25mg Tablet with Aceclofenac could increase the risk of low blood pressure.

How to manage the interaction:
Although there is a possible interaction between Tenoz 100mg/25mg Tablet and Aceclofenac, you can take these medicines together if prescribed by a doctor. Consult a doctor if you experience excessive sweating, shortness of breath, palpitations, or chest discomfort. Do not discontinue any medications without consulting 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.

Side Effects of Tenoz 100mg/25mg Tablet

  • Low pulse rate
  • Cold extremities (Cold hands and feet)
  • Diarrhoea
  • Nausea
  • Fatigue (feeling tired)
  • Weakness
  • Vomiting
  • Cramps

Habit Forming

No

Therapeutic Class

ANTI- HYPERTENSIVES

Tenoz 100mg/25mg Tablet Substitute

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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 8, 2025 | 9:45 AM IST

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Drug-Diseases Interactions

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

Drug-Diseases Interactions

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FAQs

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.

Drug-Drug Interactions Checker List

  • DILTIAZEM
  • VERAPAMIL
  • NIFEDIPINE
  • CLONIDINE
  • DIGOXIN
  • DISOPYRAMIDE
  • AMIODARONE
  • ADRENALINE
  • BACLOFEN
  • INSULIN HUMAN
  • IBUPROFEN
  • LITHIUM
  • BETAXOLOL
  • CARTEOLOL
  • LEVOBUNOLOL
  • TIMOLOL

Special Advise

Monitor your blood pressure on a regular basis, and if it fluctuates too much, call your doctor right away.

Disease/Condition Glossary

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. When the heart pumps more blood, the arteries become narrower, and blood pressure becomes high. If the blood pressure becomes uncontrolled, it may cause serious heart diseases like brain damage (stroke), heart attacks, and kidney failure. 

Have a query?

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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.

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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.

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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.

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Kidney

Caution

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

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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.

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