Irbesartan Hydrochlorothiazide Tablets are mainly used to lower blood pressure and can be used to treat essential hypertension. Irbesartan Hydrochlorothiazide Tablets is a kind of compound preparation, the main ingredients are Irbesartan and Hydrochlorothiazide. Irbesartan belongs to a selective angiotensin antagonist, hydrochlorothiazide belongs to a diuretic, the two drugs made into a combination of preparations can be used to treat high blood pressure Irbesartan or hydrochlorothiazide treatment is ineffective. Adverse effects of Irbesartan Hydrochlorothiazide Tablets include headache, dizziness, tachycardia, flushing, nausea and vomiting, distal limb edema, and muscle pain. The contraindications of Irbesartan Hydrochlorothiazide Tablets include people with severe hepatic impairment, severe renal impairment, intractable hypokalemia, intractable hypocalcemia and so on. Irbesartan Hydrochlorothiazide Tablets is a prescription drug, in order to ensure the safety of medication, must be used strictly under the guidance of a doctor.