As long as the Irbesartan with the official state approval is regular, no matter which brand. 1. Irbesartan is an antihypertensive drug that acts on the angiotensin II receptor, and its main indication is hypertension, which has a clearer effect on patients with hypertension accompanied by renal insufficiency and cardiac insufficiency. Irbesartan has imported manufacturers and domestic manufacturers, more manufacturers, as long as the official state approval are regular drugs, are produced in accordance with national production standards. 2. Irbesartan adverse reactions include dizziness, myalgia, headache, abnormal taste, etc. Allergic to the drug components, late pregnancy, pregnancy women are prohibited. When buying Irbesartan, you should go to a regular pharmacy or medical institution to ensure the quality of the drug, and purchase the drug under the guidance of a physician.