Olmesartan - Drug Information

Generic Name : Olmesartan | Pronunciation : all mi sar' tan
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Latest prescription information about Olmesartan. Learn how to pronounce the drug's name, its indications, dosage, how to take, when to take, when not to take, side effects, special precautions, its storage instructions and warnings if any when taken during pregnancy. Also listed are the International and Indian trade name(s) of the drug and its price list.
ICD Code : Y52.5 | Therapeutic Classification : Anti- Hypertensives
Drug Information

Trade Name(s): 

India : 


International : 

Benicar, Benicar HCT

Why it is prescribed : 

This medication is an angiotensin II receptor antagonist, prescribed for high blood pressure. It works by blocking the action of certain chemicals that tighten the blood vessels, so blood flows more smoothly. It works by relaxing blood vessels.

When it is not to be taken (Contraindications): 

Contraindicated to pregnant and lactating women.

Pregnancy Category :






Category D :

There is positive evidence of human fetal risk based on adverse reaction data from investigational or marketing experience or studies in humans, but potential benefits may warrant use of the drug in pregnant women despite potential risks.

Dosage & When it is to be taken (Indications): 

Adults—20 milligrams (mg) once a day. Your doctor may increase your dose to 40 milligrams (mg) once a day if needed.
Children (6 to 16 year of age): Oral: Start with 10 mg once daily for patients who weigh 20 to less than 35 kg, or 20 mg for patients who weigh 35 kg or more.

How it should be taken : 

It comes as a tablet to take by mouth. It is usually taken once a day with or without food.

Warnings and Precautions : 

Caution should be exercised in patients with history of heart failure, kidney disease; or rapid swelling (edema) of the dermis, subcutaneous tissue, neonates, mucosa and submucosal tissues.
It may cause your blood pressure to drop too low, especially after your first dose. So, it is advisable to take the first dose in hospital with the presence of your doctor, he can see how you react to this medication.

Side Effects : 

  Central Nervous System
- Dizziness, vertigo, headache, lack of energy.

- Rash, hair loss, itching, hives.

- Diarrhea, abdominal pain, dyspepsia, gastroenteritis, nausea, vomiting.

- Blood in urine, acute kidney failure.

- Increase in cholesterol, lipids, urea, sugar, potassium in blood.

- Muscle pain, joint pain, back pain, muscle damage.

- Inflammation of bronchus, pharynx, stuffy nose, inflammation of the paranasal sinuses, cough.

- Chest pain, facial swelling, allergic reactions, fast heart rate, CPK increase, influenza-like symptoms, increased blood creatinine levels.

Other Precautions : 

Continue taking other BP medications as prescribed by health care provider.

Storage Conditions : 

Keep this medication in an airtight container, and out of reach of children. Store it at room temperature and away from excess heat and moisture. ♦ Safety Labeling Changes Approved By FDA


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