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Prescription requiredZydus Healthcare PharmaCARDIAC

Aten-H-25 mg Tablet

Atenolol (50mg) + Hydrochlorothiazide (25mg)

Aten-H-25 mg Tablet is used for hypertension (high blood pressure).

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

₹116₹11.59 per tablet
Licensed pharmacyPharmacist-verified orderDelivered across India

Key details

Salt: Atenolol (50mg) + Hydrochlorothiazide (25mg)
Available variants: tablet 25 mg 10`S
Best price: ₹116 (₹11.59 per tablet)
Prescription: Required
Manufacturer: ZYDUS HEALTHCARE PHARMA

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

Composition of Aten-H-25 mg Tablet

Aten-H-25 mg Tablet contains Atenolol (50mg) + Hydrochlorothiazide (25mg). It belongs to the Beta blocker and Water tablet class of medicines.

Uses of Aten-H-25 mg Tablet

Hypertension (high blood pressure)

Key benefits

  • In Hypertension (high blood pressure) Aten-H 25 Tablet blocks the effects of some chemicals on your heart and blood vessels. This slows down your heart rate and helps the heart beat with less force. Additionally
  • it eliminates excess water from the body and increases urine output. This lowers your blood pressure and reduces your risk of having a stroke
  • a heart attack
  • or kidney problems in the future. You do not usually feel any direct benefit from taking this medicine
  • but it works in the long term to keep you well. You should take it regularly as prescribed for this medicine to be most effective
  • even if you feel better.

How Aten-H-25 mg Tablet works

Aten-H 25 Tablet is a combination of two blood-pressure lowering medicines: Atenolol and Hydrochlorothiazide. Atenolol is a beta blocker which works specifically on the heart to reduce heart rate and make the heart more efficient at pumping blood throughout the body. Hydrochlorothiazide is a diuretic which lowers blood pressure by removing extra water and certain electrolytes from the body. Over time it also relaxes blood vessels and improves blood flow.

How to take Aten-H-25 mg Tablet

Take this medicine in the dose and duration as advised by your doctor. Swallow it as a whole. Do not chew, crush or break it. Aten-H 25 Tablet is to be taken on an empty stomach.

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 Aten-H 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. It can cause severe dehydration, a sharp fall in blood pressure and dangerous salt imbalances. Do not wait for symptoms to appear — go to the nearest emergency department and take the pack or strip with you.

Side effects of Aten-H-25 mg Tablet

Most side effects of Aten-H-25 mg are mild and settle as the body adjusts. Reported side effects include:

  • Most side effects do not require any medical attention and disappear as your body adjusts to the medicine. Consult your doctor if they persist or if you’re worried about them

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 Aten-H-25 mg Tablet

PregnancyPregnancy UNSAFE
BreastfeedingBreast feeding UNSAFE
AlcoholAlcohol CAUTION
DrivingDriving CONSULT YOUR DOCTOR
KidneyKidney CAUTION
LiverLiver CAUTION
Habit formingNo

Warnings and precautions

Never stop this medicine suddenly. Stopping abruptly can cause a sharp rise in blood pressure, worsening chest pain or a heart attack — your doctor will reduce it gradually. Tell your doctor if you have asthma or long-standing lung disease; this group can tighten the airways. If you have diabetes, be aware that this medicine can mask the early warning signs of low blood sugar, apart from sweating. Report a resting pulse that is persistently very slow, or fainting. Take it in the morning so that passing urine does not disturb your sleep. Your doctor will check your salts and kidney function with blood tests — do not skip them. Report muscle cramps, marked weakness, confusion or an irregular heartbeat; these can be signs your potassium or sodium has fallen. In hot weather or during an illness with vomiting or loose motions, tell your doctor — you may become dehydrated quickly.

Do not take Aten-H-25 mg 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. Not for people who are unable to pass urine, or who are severely dehydrated.

Interactions with other medicines

Combining with verapamil or diltiazem can slow the heart dangerously. Tell your doctor about diabetes medicines and about any asthma inhaler. Anti-inflammatory painkillers blunt the effect and can strain the kidneys. Lithium and digoxin levels are affected; tell your doctor if you take either. Potassium-sparing types must not be combined with potassium supplements without supervision.

How to store Aten-H-25 mg Tablet

Store below 30°C in the original pack, away from direct sunlight and moisture. Keep out of the reach of children.

Expert advice for Aten-H-25 mg Tablet

It is a combination of two blood pressure lowering medications used for the treatment of high blood pressure. It can be taken with or without food. Do not stop taking Aten-H 25 Tablet suddenly as it can cause your blood pressure to rise suddenly thereby increasing the risk of heart attack and stroke. 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're diabetic. Monitor your blood sugar levels regularly. Aten-H 25 Tablet may cause dehydration. Drink plenty of fluids and Inform your doctor if you develop extreme thirst, muscle weakness or very dry mouth.

Manufacturer and class

Manufacturer:
ZYDUS HEALTHCARE PHARMA
Therapeutic class:
CARDIAC
Drug class:
Beta blocker and Water tablet

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Aten-H-25 mg Tablet FAQs

What is Aten-H-25 mg Tablet used for?
Aten-H-25 mg Tablet is commonly used for Hypertension (high blood pressure). 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 Aten-H-25 mg Tablet?
Aten-H-25 mg Tablet contains Atenolol (50mg) + Hydrochlorothiazide (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 Aten-H-25 mg Tablet?
Take this medicine in the dose and duration as advised by your doctor. Take it exactly as prescribed; do not change the dose or stop early without talking to your doctor.
How does Aten-H-25 mg Tablet work?
Aten-H 25 Tablet is a combination of two blood-pressure lowering medicines: Atenolol and Hydrochlorothiazide.
Is Aten-H-25 mg Tablet a prescription medicine?
Yes. Aten-H-25 mg 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 Aten-H-25 mg Tablet?
The side effects reported most often with Aten-H-25 mg are Most side effects do not require any medical attention and disappear as your body adjusts to the medicine. Consult your doctor if they persist or if you’re worried about them. 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 Aten-H-25 mg Tablet be taken during pregnancy?
Pregnancy UNSAFE Always tell your doctor if you are pregnant, planning a pregnancy or breastfeeding before starting Aten-H-25 mg.
Can I drink alcohol while taking Aten-H-25 mg Tablet?
Alcohol CAUTION
What if I miss a dose of Aten-H-25 mg Tablet?
If you miss a dose of Aten-H 25 Tablet, take it as soon as possible.
Is Aten-H-25 mg Tablet habit forming?
No. Aten-H-25 mg Tablet is not known to be habit forming when taken as prescribed.
How much does Aten-H-25 mg Tablet cost on PingMeDoc Pharmacy?
Aten-H-25 mg Tablet starts at ₹116 on PingMeDoc Pharmacy. Available in tablet 25 mg 10`S. Final price is confirmed at checkout and may vary by variant and location.
Who manufactures Aten-H-25 mg Tablet?
Aten-H-25 mg Tablet is manufactured by ZYDUS HEALTHCARE PHARMA. PingMeDoc Pharmacy sources medicines only from licensed manufacturers and distributors.
How is Aten-H-25 mg Tablet delivered?
Aten-H-25 mg 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.

Aten-H-25 mg Tablet, Quick facts

Salt
Atenolol (50mg) + Hydrochlorothiazide (25mg)
Form
tablet
Best price
₹116 (₹11.59 per tablet)
Prescription
Required (Rx)
Schedule
Schedule H
Brand
ZYDUS HEALTHCARE PHARMA
Manufacturer
ZYDUS HEALTHCARE PHARMA
Therapeutic class
CARDIAC
Drug class
Beta blocker and Water tablet
Habit forming
No
Variants
tablet 25 mg 10`S
Delivery
Standard across India

References

The information on Aten-H-25 mg 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. PingMeDoc clinical monograph library — compiled from Indian package inserts, the Indian Pharmacopoeia
  2. CDSCO schedules and standard pharmacology references. Reviewed for patient readability. This is general information, not a substitute for your doctor's advice.
  3. Central Drugs Standard Control Organisation (CDSCO), Ministry of Health & Family Welfare, Government of India, approved drug and schedule listings.
  4. National List of Essential Medicines (NLEM) 2022, Government of India.
  5. Manufacturer's package insert / prescribing information for Aten-H-25 mg Tablet.
  6. 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.