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Oukat H Tablet

Written By Dr. Anuj Saini, MMST, MBBS
Reviewed By Dr. Rajeev Sharma, MBA, MBBS
Last updated on 21 Jan 2026 | 04:54 PM (IST)
Oukat H Tablet is a combination of two medicines. It helps to control high blood pressure in different ways. If high blood pressure is not treated it can lead to heart attacks, strokes and kidney failure.
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Olmo-H 12.5mg/20mg Tablet
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Oukat H Tablet
Oukat H Tablet
strip of 10 tablets
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Olmo-H 12.5mg/20mg Tablet
Olmo-H 12.5mg/20mg Tablet
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Oukat H Tablet image
Oukat H Tablet image
Oukat H Tablet image
Oukat H Tablet image

Product introduction

You can take Oukat H Tablet with or without food. The dose will depend on your condition and how you respond to the medicine. Try to take it at the same time each day. It is important to keep taking this medicine until your doctor tells you not to. It contains a diuretic (water pill) and will make you urinate more so, it is best to avoid taking this medicine within four hours of going to bed. Use this medicine regularly to get the most benefit from it even if you feel well. High blood pressure does not usually have symptoms and if you stop taking it your risk of heart attack or stroke may increase.

The most common side effect is dizziness. Other side effects include weakness, headache, tiredness, chest pain, and edema. Frequent urination is not a side effect of this drug. You may experience other possible side effects, but most are rare. It may occasionally lead to an increase in pressure in your eye and lead to permanent eye damage if not treated. Make sure you read the leaflet that comes with your medicines and tell your doctor if you are bothered by side effects or they do not go away. It may be possible to adjust your dose or try a different medicine.

This drug is not recommended during pregnancy or while breastfeeding and you should ask your doctor before taking it if you have kidney or liver disease, heart trouble or diabetes. Drinking alcohol can further lower your blood pressure and may cause side effects.

Uses of Oukat H Tablet

Benefits of Oukat H Tablet

Hypertension (high blood pressure)
Oukat H Tablet is a combination of two medicines namely Olmesartan and Hydrochlorothiazide. It is generally used when one medicine alone is not controlling your blood pressure effectively. Olmesartan works by relaxing and widening your blood vessels so your blood can flow more easily. This will lower your blood pressure. Hydrochlorothiazide is known as a diuretic (water pill) which increases urine output thereby lowering blood pressure. If your blood pressure is controlled you are less at risk of having a heart attack, stroke, or kidney problems. The medicine must be taken regularly as prescribed to be effective. You do not usually feel any direct benefit from taking this medicine, but it works in the long term to keep you well.

Side effects of Oukat H Tablet

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
Common side effects of Oukat H
  • Upper respiratory tract infection
  • Increased triglyceride level in blood
  • Increased uric acid level in blood
  • Abdominal pain
  • Back pain
  • Skeletal pain
  • Blood in urine
  • Increased liver enzymes
  • Dizziness
  • Weakness
  • Tiredness
  • Edema (swelling)
  • Chest pain
  • Headache
  • Increased blood urea

How to use Oukat H 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. Oukat H Tablet may be taken with or without food.

How Oukat H Tablet works

Oukat H Tablet is a combination of two medicines:

Quick tips

  • You have been prescribed Oukat H Tablet for the treatment of high blood pressure.
  • It can be taken with or without food.
  • Oukat H Tablet may cause dehydration. Drink plenty of fluids and inform your doctor if you develop extreme thirst, very dry mouth or muscle weakness.
  • It may cause dizziness. Get up slowly when rising from a sitting or lying position. 
  • Use of Oukat H Tablet during pregnancy or breastfeeding is unsafe.
  • It may also decrease the risk of stroke and heart attacks.

Safety advice

Alcohol

Alcohol

CAUTION
Alcohol should be used with caution while taking Oukat H Tablet.
Pregnancy

Pregnancy

UNSAFE
Oukat H Tablet is highly unsafe during pregnancy. It can cause serious harm to the unborn baby, including birth defects and pregnancy loss. Do not use this medicine if you are pregnant or planning to become pregnant.
Breast feeding

Breast feeding

UNSAFE
Oukat H Tablet is unsafe to use during breastfeeding. Data suggests that the drug may cause toxicity to the baby.
Driving

Driving

UNSAFE
Oukat H Tablet may decrease alertness, affect your vision, or make you feel sleepy and dizzy. Do not drive if these symptoms occur.
Kidney

Kidney

CAUTION
Oukat H Tablet should be used with caution in patients with severe kidney disease. Dose adjustment may be needed.
Regular monitoring of blood pressure is advisable for dose adjustment.
Liver

Liver

CAUTION
Oukat H Tablet should be used with caution in patients with severe liver disease. Dose adjustment may be needed.

Frequently asked questions

You may notice a decrease in your blood pressure effectively within 2 weeks of starting Oukat H Tablet. However, it may take about 8 weeks to see the full benefits of this medicine.
Your doctor may suggest to take your first dose before bedtime, considering that this medicine can make you feel dizzy. After the very first dose you can take Oukat H Tablet at any time of the day. It is important to take this medicine at the same time every day.
Yes, the use of Oukat H Tablet can make you feel dizzy. This may occur when you suddenly get up from a lying or sitting position. To lower the chance of feeling dizzy or passing out, rise slowly if you have been sitting or lying down.
Lifestyle changes play a major role in keeping you healthy if you are taking Oukat H Tablet. Avoid taking excess salt in your diet and find ways to reduce or manage stress in your life. Practice yoga or meditation or take up a hobby. Ensure that you have a sound sleep every night as this also helps to reduce stress levels and helps to keep your blood pressure normal. Stop smoking and alcohol consumption as this helps in lowering your blood pressure and preventing heart problems. Exercise regularly and take a balanced diet that includes whole grains, fresh fruits, vegetables and fat-free products. Consult your doctor if you need any further guidance to get the maximum benefit of Oukat H Tablet and to keep yourself healthy.
No, Oukat H Tablet does not cause weight gain. However, in very rare cases, chronic diarrhea with substantial weight loss may occur. If a patient develops diarrhea while taking Oukat H Tablet and no other cause of diarrhea can be deduced, then the doctor may advise the patient to discontinue it immediately and recommend another medicine.
The serious side effects of Oukat H Tablet include skin rash or itchiness, painful joints, fast heart beat, shortness of breath or tightness in the chest. Serious side effects may also include aching, tender or weak muscles not caused by exercise and swelling of the hands, feet or ankles. Oukat H Tablet may also cause symptoms that may indicate high potassium levels in the blood, such as nausea, diarrhea, muscle weakness and change in heart rhythm. If you experience any of these symptoms, call your doctor immediately.
Some blood pressure medicines (including water pills like hydrochlorothiazide) may affect a man’s ability to gain or maintain an erection (erectile dysfunction). However, it is thought that other blood pressure medicines can actually improve erectile dysfunction. If you are worried or notice some changes, talk to your doctor. There is no firm evidence which suggests any effect on the fertility of either men or women with the use of Oukat H Tablet.
You may have to take Oukat H Tablet life long. Oukat H Tablet controls high blood pressure but does not cure it. Do not stop taking it even if your blood pressure is well controlled. Oukat H Tablet is generally considered safe to be taken for long term. In some cases, long-term use may adversely affect the kidneys and the kidneys may not function as they should. Therefore, your doctor may prescribe regular blood tests to check urea, creatinine and potassium levels to keep a track of how well your kidneys are working.
Your doctor may advise you to stop taking Oukat H Tablet 24 hours before surgery. This is because Oukat H Tablet can further reduce your blood pressure when used with anesthetics. So, inform your doctor that you are taking Oukat H Tablet if you will be given general anesthetics (medicines that put you to sleep) or are scheduled to have any surgery.

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Disclaimer

Tata 1mg's sole intention is to ensure that its consumers get information that is expert-reviewed, accurate and trustworthy. However, the information contained herein should NOT be used as a substitute for the advice of a qualified physician. The information provided here is for informational purposes only. This may not cover everything about particular health conditions, lab tests, medicines, all possible side effects, drug interactions, warnings, alerts, etc. Please consult your doctor and discuss all your queries related to any disease or medicine. We intend to support, not replace, the doctor-patient relationship.

Marketer details

Name: WinNexa Health Sciences Pvt Ltd
Address: Plot No.460, 2nd Floor, Scheme No.78, Part-1 Phase-2, industrial Commercial, Indore- 452010 (MP),

Vendor Details

Country of origin: India
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