Irbesartan is suitable for some secondary hypertension, hypertensive patients should use Irbesartan under the guidance of a doctor. Irbesartan is one of the clinical drugs for treating hypertension, which is mainly used for the treatment of primary hypertension, type II diabetic nephropathy combined with hypertension, secondary hypertension with other combined cardiovascular and cerebrovascular diseases, and primary aldosteronism in secondary hypertension and other treatments. Other than that, other types of secondary hypertension are not suitable for Irbesartan. Adverse reactions such as postural vertigo, postural hyponatremia, and skeletal muscle pain may occur with Irbesartan. The drug is contraindicated in people who are allergic to Irbesartan, pregnant and breastfeeding women. Patients with secondary hypertension should go to regular hospitals in time, and be guided by the doctor to use the drug in conjunction with their conditions, and should not use Irbesartan on their own.