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Prescription requiredGlenmark PharmaceuticalsDiuretic and Anti-hypertensive

Olmax H

Hydrochlorothiazide(12.5 Mg)+Olmesartan Medoxomil(20.0 Mg)

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Olmax H is used for this medicine is used in the treatment of high blood pressure, heart failure, fluid retention and diabetic kidney disease.

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

Licensed pharmacyPharmacist-verified order

Key details

Salt: Hydrochlorothiazide(12.5 Mg)+Olmesartan Medoxomil(20.0 Mg)
Available variants: TABLET NA 15`S
Best price: ₹245 (₹16.33 per tablet)
MRP: ₹258
Prescription: Required
Manufacturer: GLENMARK PHARMACEUTICALS

Ordering notes

Delivery details are shown when the medicine is back in stock.
Returns & refunds: orders can be cancelled before dispatch; after dispatch, returns depend on the item category. Read the full policy

Composition of Olmax H

Olmax H contains Hydrochlorothiazide(12.5 Mg)+Olmesartan Medoxomil(20.0 Mg). It belongs to the Water tablet and Angiotensin receptor blocker / ACE inhibitor class of medicines.

Uses of Olmax H

  • This medicine is used in the treatment of high blood pressure
  • heart failure
  • fluid retention and diabetic kidney disease.

Key benefits

  • Relieves swelling and breathlessness caused by fluid
  • Long-established blood pressure treatment
  • Inexpensive and once daily
  • Protects the kidneys in diabetes
  • Reduces the long-term risk of stroke and heart attack
  • Usually taken once a day

How Olmax H works

This medicine combines 2 active ingredients: Hydrochlorothiazide and Olmesartan. Hydrochlorothiazide helps your kidneys remove surplus salt and water, which reduces swelling and lowers blood pressure. Olmesartan relaxes and widens your blood vessels by blocking a hormone that narrows them, so your heart does not have to push as hard and your blood pressure falls.

How to take Olmax H

Swallow the tablet whole with a glass of water. Do not chew, crush or break it unless your doctor has told you to. Take it in the morning. Taking it at about the same time each day helps you remember. Follow the dose and the duration written on your prescription.

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

Take it as soon as you remember. If your next dose is almost due, skip the one you missed — never take two doses together to catch up.

If you take too much

An overdose of this medicine can cause severe dehydration, a sharp fall in blood pressure and dangerous salt imbalances. It can cause a severe fall in blood pressure, with dizziness, fainting and a fast or slow pulse. Do not wait for symptoms to appear — go to the nearest emergency department and take the pack or strip with you.

Side effects of Olmax H

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

  • Passing urine more often
  • Dizziness on standing up
  • Low potassium or sodium
  • Muscle cramps
  • Raised uric acid
  • Thirst
  • Headache
  • Tiredness
  • Raised potassium
  • Dry cough

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 Olmax H

PregnancyNot recommended in pregnancy — it may harm the developing baby. Tell your doctor at once if you are or might be pregnant.
BreastfeedingConsult your doctor before using this while breastfeeding.
AlcoholAlcohol may worsen the side effects of this medicine. Limit it.
DrivingMay cause drowsiness or affect your concentration. Do not drive until you know how it affects you.
KidneyConsult your doctor if you have kidney disease.
LiverConsult your doctor if you have liver disease.
Habit formingNo

Warnings and precautions

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. Stand up slowly for the first few days — dizziness on rising is common when you start or your dose goes up. Stop and seek urgent care if your lips, tongue, face or throat swell, or you have difficulty breathing. A persistent dry, tickly cough can be caused by the ACE inhibitor group; tell your doctor rather than stopping on your own, as an alternative exists. Your doctor will check your kidney function and potassium after starting and after any dose change. Do not use salt substitutes containing potassium without asking your doctor.

Do not take Olmax H if

Not for anyone with a known allergy to this medicine or to any ingredient in the pack. Not for people who are unable to pass urine, or who are severely dehydrated. Must not be used in pregnancy — it can seriously harm the developing baby. Not for people with narrowing of both kidney arteries, or a history of swelling of the face and throat caused by this group of medicines.

Interactions with other medicines

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. Anti-inflammatory painkillers reduce the effect and can harm the kidneys when combined. Potassium supplements, potassium-sparing water tablets and salt substitutes can push potassium too high. Lithium levels rise when taken with these medicines.

How to store Olmax H

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

Expert advice for Olmax H

Weigh yourself at the same time each day if you have heart failure, and report a rapid gain. Do not add extra salt, and ask before using a potassium-based salt substitute. Blood pressure medicines work only while you take them — do not stop because you feel well. Tell your doctor at once if you become pregnant or are planning a pregnancy. Keep a home blood-pressure record if your doctor has asked for one.

Manufacturer and class

Manufacturer:
GLENMARK PHARMACEUTICALS
Therapeutic class:
Diuretic and Anti-hypertensive
Drug class:
Water tablet and Angiotensin receptor blocker / ACE inhibitor

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Olmax H FAQs

What is Olmax H used for?
Olmax H is commonly used for This medicine is used in the treatment of high blood pressure, heart failure, fluid retention and diabetic kidney disease. 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 Olmax H?
Olmax H contains Hydrochlorothiazide(12.5 Mg)+Olmesartan Medoxomil(20.0 Mg). 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 Olmax H?
Swallow the tablet whole with a glass of water. Take it exactly as prescribed; do not change the dose or stop early without talking to your doctor.
How does Olmax H work?
This medicine combines 2 active ingredients: Hydrochlorothiazide and Olmesartan.
Is Olmax H a prescription medicine?
Yes. Olmax H 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 Olmax H?
The side effects reported most often with Olmax H are Passing urine more often, Dizziness on standing up, Low potassium or sodium, Muscle cramps, Raised uric acid. 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 Olmax H be taken during pregnancy?
Not recommended in pregnancy — it may harm the developing baby. Always tell your doctor if you are pregnant, planning a pregnancy or breastfeeding before starting Olmax H.
Can I drink alcohol while taking Olmax H?
Alcohol may worsen the side effects of this medicine.
What if I miss a dose of Olmax H?
Take it as soon as you remember.
Is Olmax H habit forming?
No. Olmax H is not known to be habit forming when taken as prescribed.
How much does Olmax H cost on PingMeDoc Pharmacy?
Olmax H starts at ₹245 (MRP ₹258) on PingMeDoc Pharmacy. Available in TABLET NA 15`S. Final price is confirmed at checkout and may vary by variant and location.
Who manufactures Olmax H?
Olmax H is manufactured by GLENMARK PHARMACEUTICALS. PingMeDoc Pharmacy sources medicines only from licensed manufacturers and distributors.
How is Olmax H delivered?
Olmax H 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.

Olmax H, Quick facts

Salt
Hydrochlorothiazide(12.5 Mg)+Olmesartan Medoxomil(20.0 Mg)
Form
TABLET
Best price
₹245 (₹16.33 per tablet)
MRP
₹258
Prescription
Required (Rx)
Brand
GLENMARK PHARMACEUTICALS
Manufacturer
GLENMARK PHARMACEUTICALS
Therapeutic class
Diuretic and Anti-hypertensive
Drug class
Water tablet and Angiotensin receptor blocker / ACE inhibitor
Habit forming
No
Variants
TABLET NA 15`S
Delivery
Standard across India

References

The information on Olmax H 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 Olmax H.
  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.