Irbesartan tablets can take effect in 1.5~2 hours, and reach a steady state within 3 days, and need to follow the doctor’s advice to use the drug. Irbesartan tablets instructions pointed out that after taking the product 1.5 ~ 2 hours to reach the maximum blood concentration, at this time can give full play to the efficacy of the drug, according to the method of service once a day, within 3 days to reach the steady-state concentration of blood (at this time, the efficacy of the drug is stable). Irbesartan tablets belong to the angiotensin II receptor antagonist, has the effect of lowering blood pressure, can be used in the treatment of primary hypertension, as well as type 2 diabetic nephropathy combined with the treatment of hypertension. Adverse effects of this product can be seen in dizziness, nausea, vomiting, fatigue, upright hypotension, skeletal muscle pain and other adverse reactions. The drug is contraindicated in people who are allergic to the components of the product, during breastfeeding, during the 4th to 9th month of pregnancy. It should be used appropriately under the supervision of a doctor.