Irbesartan is usually taken one tablet at a time, once a day, when prescribed by a doctor. Irbesartan is a kind of angiotensin II receptor antagonist class of blood pressure-lowering drugs, can inhibit angiotensin II and AT1 receptor binding, inhibit vasoconstriction, so that the vascular resistance is reduced, so as to play a role in lowering blood pressure. It is used for the treatment of primary hypertension and type 2 diabetic nephropathy combined with hypertension. Irbesartan 150 mg once daily provides better control of blood pressure over 24 hours than 75 mg. Because Irbesartan is a long-acting antihypertensive drug, a certain range of once-daily doses can keep platelet concentrations stable and also keep blood pressure stable. The adverse effects of this product include dizziness, nausea and vomiting. It is contraindicated for those who are allergic to the ingredients of this product, during the 4th to 9th month of pregnancy and during breastfeeding. While taking Irbesartan, it is recommended to avoid smoking and alcohol, and avoid cold foods. Meanwhile, it is also necessary to monitor the blood pressure, if you find that the blood pressure remains high or fluctuates between high and low, etc., it is recommended to consult a doctor in time.