
Acetamide 250
Micro Labs - 10 S
Prescription required
Hydrochlorothiazide (12.5mg) + Olmesartan (40mg)
Olmat H 40 Tablet is used for olmat 40 H Tablet is used in the treatment of high blood pressure.
Medically reviewed by Dr. Balaji Krishnan, MBBS · Updated September 2026
Medicines with the same active ingredient and strength as Olmat H 40 Tablet.
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Olmat H 40 Tablet
tablet - 15 S
₹458
₹30.50 per tablet
ERIS LIFE SCIENCES PVT LTD · tablet - 15 S · Rx
₹414
₹27.58 per tablet
SUN PHARMA 2 · tablet - 10 S · Rx
₹281
₹28.13 per tablet
A substitute contains the same active ingredient (salt), in the same strength, as Olmat H 40 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.
Olmat H 40 Tablet contains Hydrochlorothiazide (12.5mg) + Olmesartan (40mg). It belongs to the Water tablet and Angiotensin receptor blocker / ACE inhibitor class of medicines.
Olmat 40 H Tablet is used in the treatment of high blood pressure.
Olmat 40 H Tablet is a combination of two medicines: Hydrochlorothiazide and olmesartan which lower blood pressure effectively. Hydrochlorothiazide is a diuretic that removes extra water and certain electrolytes from the body. Over time it also relaxes blood vessels and improves blood flow. Olmesartan is an angiotensin receptor blocker (ARB). It works by blocking the hormone angiotensin thereby relaxing blood vessels. This allows the blood to flow more smoothly and the heart to pump more efficiently.
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. Olmat 40 H Tablet may be taken with or without food, but it is better to take it at a fixed time.
Take it exactly as your doctor prescribed. Do not change the dose or stop early on your own.
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.
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.
Most side effects of Olmat H are mild and settle as the body adjusts. Reported side effects include:
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.
| Pregnancy | Olmat 40 H Tablet is unsafe to use during pregnancy.<br>There is positive evidence of human fetal risk, but the benefits from use in pregnant women may be acceptable despite the risk, for example in life-threatening situations. Please consult your doctor. |
|---|---|
| Breastfeeding | Olmat 40 H Tablet is probably safe to use during lactation. Limited human data suggests that the drug does not represent a significant risk to the baby. |
| Alcohol | Taking Olmesartan with alcohol may excessively lower the blood pressure. |
| Driving | May cause drowsiness or affect your concentration. Do not drive until you know how it affects you. |
| Kidney | Olmat 40 H Tablet should be used with caution in patients with severe kidney disease. Dose adjustment of Olmat 40 H Tablet may be needed. Please consult your doctor.<br>Regular monitoring of blood pressure is advisable for dose adjustment. |
| Liver | Olmat 40 H Tablet should be used with caution in patients with liver disease. Dose adjustment of Olmat 40 H Tablet may be needed. Please consult your doctor. |
| Habit forming | No |
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.
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.
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.
Store below 30°C in the original pack, away from direct sunlight and moisture. Keep out of the reach of children.
<div class="style__desktop-container___1hcBT"><div class="style__desktop-video___2GTR9"><div class="styles__video-img___1rCzR"><div class=""/><div class=""/></div></div><div><div><div><div><div class="ExpertAdviceItem__content___1Djk2"><ul><li>You have been prescribed Olmat 40 H Tablet for the treatment of high blood pressure.</li> <li><div>It can be taken with or without food.</div></li> <li><div>Olmat 40 H Tablet may cause dehydration. Drink plenty of fluids and inform your doctor if you develop extreme thirst, muscle weakness or very dry mouth.</div></li> <li>It may cause dizziness. Get up slowly when rising from a sitting or lying position. </li> <li>Use of Olmat 40 H Tablet during pregnancy or breastfeeding is unsafe.</li> <li>It may also decrease the risk of stroke and heart attacks.</li></ul></div></div></div></div></div></div>
Medicines with the same active ingredient (Hydrochlorothiazide (12.5mg) + Olmesartan (40mg)). Ask your doctor or pharmacist before switching brands.
| Medicine | Pack | Price | vs Olmat H 40 Tablet |
|---|---|---|---|
| Olmetor-HTorrent Pharmaceuticals Ltd | 15`S | ₹275 | 40% cheaper |
| Olvance H 40 TabletSUN PHARMA 2 | tablet · 10`S | ₹281 | 39% cheaper |
| Olmin 40-H TabletERIS LIFE SCIENCES PVT LTD | tablet · 15`S | ₹414 | 10% cheaper |

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The information on Olmat H 40 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.