Cerebral infarction elderly taking Irbesartan hydrochlorothiazide tablets, blood pressure dropped to 119/72mmHg, blood pressure is still within the normal range, and does not belong to the category of low blood pressure. The current medical definition of systolic blood pressure between 90~120mmHg, diastolic blood pressure between 60~90mmHg, blood pressure is normal. Therefore, if the elderly currently have no obvious discomfort, such as dizziness, fatigue and other symptoms, there is no need to change the dosage of the drug, and there is no obvious impact on the health of the elderly. If the elderly currently have symptoms such as dizziness, it is considered that the current blood pressure has decreased compared to the previous blood pressure. You should consult the cardiovascular department of the hospital and adjust the dosage of Irbesartan Hydrochlorothiazide Tablets under the guidance of the doctor, so as to prevent the elderly from experiencing significant discomfort and affecting their normal life.