The composition of Erenpine is Irbesartan hydrochlorothiazide tablets, which belongs to the better antihypertensive drugs, is a domestic drug, relatively inexpensive and effective. It is mainly a combination of angiotensin II receptor antagonist and diuretic, which is a more advantageous combination, and the effect of lowering blood pressure is more ideal. But for the presence of bilateral renal artery stenosis, hyperkalemia, or pregnant or lactating women are not recommended to take this drug. In addition, this drug is more suitable for the public to take, with fewer contraindications and relatively fewer adverse reactions. If the effect of simply taking erenepine is not up to the standard, you can combine the application of calcium channel blockers, which is also a more advantageous combination, the representative drugs are felodipine, amlodipine and so on.