Irbesartan 75mg how many capsules a day should be decided according to the blood pressure level, the specific dosage should follow the doctor’s instructions. Irbesartan’s main role is to be able to inhibit the body’s angiotensin II receptors, and ultimately reduce the body’s angiotensin production, the peripheral arteries have a dilating effect, through this mechanism to play the efficacy of lowering blood pressure. Hypertensive patients oral Irbesartan can start from 75mg once a day, during the course of the drug to monitor blood pressure, if the blood pressure level does not meet the requirements, you can gradually increase the dose of the drug, to reach the maximum amount of if the blood pressure level rises, should be added to the use of other mechanisms of action of blood pressure lowering drugs, such as calcium antagonists, diuretics and so on. Adverse reactions to Irbesartan include dizziness, upright hypotension, tinnitus, rash, etc. Irbesartan is contraindicated in women who are allergic to the components of the drug, in late pregnancy and lactation. The exact dosage of Irbesartan should be prescribed by the doctor, and the dosage of the drug should be adjusted gradually according to the level of blood pressure.