The ingredient of Ambeno is Irbesartan Hydrochlorothiazide, and the difference between it and ordinary Irbesartan Hydrochlorothiazide is the difference of manufacturer. Irbesartan hydrochlorothiazide belongs to the compound preparation, and there are many manufacturers in the clinic, such as divided into imported drugs and domestic drugs. Different manufacturers may have different trade names, but such drugs are all of the same composition. The specifications are different, and the dosage of the drug may differ to some extent, and there is no significant difference in the therapeutic effect. Irbesartan Hydrochlorothiazide, including Irbesartan and Hydrochlorothiazide two ingredients, both have the effect of lowering blood pressure. The combination of the two drugs can increase the efficacy of lowering blood pressure. Adverse effects of the drug include thirst, weakness, dizziness, nausea, abdominal pain, electrolyte disorders. It is contraindicated in patients who are allergic to the components of the drug, lactating women during pregnancy, severe hepatic and renal insufficiency, intractable hypokalemia. When clinically choosing Irbesartan Hydrochlorothiazide for antihypertensive treatment, the drug should be used under the guidance of a physician.