Irbesartan Hydrochlorothiazide Tablets is an antihypertensive drug, hydrochlorothiazide can reduce glucose tolerance and increase blood sugar. Irbesartan Hydrochlorothiazide Tablets is a compound preparation whose components include Irbesartan and Hydrochlorothiazide, which can be used for the treatment of essential hypertension, in addition, it can also be used for the treatment of patients whose blood pressure cannot be effectively controlled by Irbesartan or Hydrochlorothiazide alone. Hydrochlorothiazide may decrease glucose tolerance and increase blood glucose, possibly related to inhibition of insulin release. Its common adverse reactions include dizziness, fatigue, nausea, vomiting, abnormal urination, etc. If the adverse reactions are serious, the physician should be informed promptly. In addition, this product should be contraindicated in those who are allergic to it or to other sulfonamide derivatives, and it is not recommended for use during the first trimester of pregnancy. The use of Irbesartan Hydrochlorothiazide Tablets needs to be under the supervision of a doctor and should not be used on its own.