The 73-year-old cerebral infarction old man Irbesartan Hydrochlorothiazide Tablets blood pressure down to 116/68mmHg, is usually inappropriate antihypertensive drugs. Clinical normal value of blood pressure in normal adults is 120/90mmHg, if 3 times non-same day blood pressure ≥ 140/90mmHg, can be diagnosed as hypertension. As for patients with hypertension complicated with cerebral infarction, after taking antihypertensive drug treatment, the blood pressure should be controlled to the range of normal high value, which is 120~139/80~89mmHg. Usually the blood pressure 116/68mmHg is relatively low, may be due to take the drug lowering effect is strong, or take the drug overdose caused, suggest that the doctor in a comprehensive assessment of the condition after adjusting the medication. Clinically, Irbesartan hydrochlorothiazide tablets can reduce extracellular volume, reduce peripheral vascular resistance, as well as block the role of angiotensin vasoconstriction and promote aldosterone secretion, so as to reduce blood pressure. It is mainly used in the treatment of essential hypertension. The drug may cause dizziness, dry mouth and other discomforts after taking it. It is contraindicated for those who are allergic to the components of the drug and those with severe renal and hepatic impairment. In the course of taking the drug, it is necessary to pay attention to monitoring blood pressure, liver and kidney function, electrolytes. Caution is advised for those who operate machines and drive vehicles. Pregnant and lactating women need to use the drug under the supervision of a doctor. After taking Irbesartan Hydrochlorothiazide Tablets for 73 years old with cerebral infarction, the blood pressure dropped to 116/68mmhg, it is recommended to consult a doctor in time and adjust the medication under the guidance of a doctor.