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Prescription vs.OTC: Prescription by Doctor required

Olmesartan, an angiotensin 2 receptor blocker (ARB), is used to treat high blood pressure. It is either used alone or in combination with other medicines. Optimal blood pressure levels help prevent kidney disorders, strokes and heart disorders. Take this drug as directed by your physician, usually once with or without food on a daily basis.

The side effects of this drug include dizziness, headache, bronchitis, cough, rhinitis, etc. It is advised to avoid this drug if –

  • You are pregnant.
  • If you are hypersensitive to any of the ingredients in the drug.
  • You are currently taking medicines that has aliskiren as one of the ingredients.

If you have any of the above conditions then it is recommended to consult a physician.

There are certain medical conditions that can interact with this drug. You need to tell your doctor if you have the following conditions–

  • You are taking other prescription medicine, dietary supplement or herbal preparation.
  • In case you are hypersensitive to specific foods, medicines or other allergens.
  • If you have had heart problems, blood vessels problems, kidney or liver problems and diabetes.
  • A history of stroke.
  • If you are currently undergoing dialysis.
  • Low blood volume.
  • Electrolyte problems.

Your dosage will depend on factors like age, condition, severity and whether if you have other medical problems. It is advised to avoid stopping the drug suddenly as it can have serious consequences like abnormal blood pressure spikes. Overdose of this drug can result in symptoms of weakness and dizziness.

Information given here is based on the salt content of the medicine. Uses and effects of the medicine may vary from person to person. It is advisable to consult a Internal Medicine Specialist before using this medicine.

The drug is used to treat:

The side effects of this drug include:

  • How long is the duration of effect?

    This medicine is excreted in faeces and urine. The effect of this medicine lasts for a duration of approximately 24 hours.
  • What is the onset of action?

    The peak effect of this medicine can be observed in 1 to 2 hours.
  • Are there any pregnancy warnings?

    This medicine is not recommended for pregnant women.
  • Is it habit forming?

    No habit forming tendency has been reported.
  • Are there any breast-feeding warnings?

    This medicine is not recommended for breastfeeding women.
  • Are there any missed dose instructions?

    The missed dose should be taken as soon possible. It is advisable to skip the missed dose if it's already time for your next scheduled dose.
  • Are there any overdose instructions?

    Seek emergency medical treatment or contact the doctor in case of overdose.
  • India

  • United States

  • Japan

Below is the list of medicines, which contains Olmesartan as ingredient

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Olmesartan displaces angiotensin II with very high affinity from its binding site at the AT1 receptor subtype, which is responsible for the known actions of angiotensin II

Whenever you take more than one medicine, or mix it with certain foods or beverages, you"re at risk of a drug interaction.

  • Interaction with Alcohol


    Consumption of alcohol with this medicine will lower the blood pressure and can cause dizziness, headache and changes in heart rate. Avoid driving or operating heavy machinery if you have these symptoms.
  • Interaction with Lab Test


    Information not available.
  • Interaction with Medicine


    This drug interacts with aliskiren, NSAIDs, etc.


    Do not use this drug is you suffer from diabetes, renal impairment, etc.
  • Interaction with Food


    Information not available.

Ques: What is Olmesartan?

Ans: It is used to treat high blood pressure.

Ques: How long do I need to use Olmesartan before I see improvement in my condition?

Ans: In most of the cases, the average time taken by this medication to reach its peak effect is around 1 day to 1 week. Please consult your doctor for the time period you need to use this medication.

Ques: At what frequency do I need to use Olmesartan?

Ans: This medication is generally used once or twice a day. It is advised to consult your doctor before the usage, as the frequency also depends on the patient's condition.

Ques: Should I use Olmesartan empty stomach, before food or after food?

Ans: This medication is advised to be consumed orally. If you take it on an empty stomach, it might upset the stomach. Please consult the doctor before using it.

Ques: What are the instructions for the storage and disposal of Olmesartan?

Ans: It should be stored at room temperature, away from heat and direct light. Keep it away from the reach of children and pets.
Disclaimer: The information produced here is best of our knowledge and experience and we have tried our best to make it as accurate and up-to-date as possible, but we would like to request that it should not be treated as a substitute for professional advice, diagnosis or treatment.

Lybrate is a medium to provide our audience with the common information on medicines and does not guarantee its accuracy or exhaustiveness. Even if there is no mention of a warning for any drug or combination, it never means that we are claiming that the drug or combination is safe for consumption without any proper consultation with an expert.

Lybrate does not take responsibility for any aspect of medicines or treatments. If you have any doubts about your medication, we strongly recommend you to see a doctor immediately.

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Table of Content
About Olmesartan
What are the uses of Olmesartan
What are the contraindications of Olmesartan ?
What are the side effects of Olmesartan ?
Key highlights of Olmesartan
What are the dosage instructions?
Where is the Olmesartan approved?
Medicines containing Olmesartan
How does this medication work?
What are the interactions of Olmesartan ?
FAQs about Olmesartan