Bayxin Tong, known generically as nifedipine controlled-release tablets, is beneficial when taken with irbesartan if the condition requires it. Clinically, nifedipine controlled release tablets belong to the calcium channel blocker, after taking can reduce the extracellular calcium ions into the vascular smooth muscle cells, reduce the contraction response of resistance vessels. It is mainly used in the treatment of hypertension, coronary heart disease and other diseases. Usually the drug may cause edema, headache, dizziness and other discomforts after taking it. And it is forbidden for those who are allergic to the components of the drug, cardiogenic shock. In the process of taking the drug, it is necessary to use caution when combining it with cimetidine, cisapride, rifampicin and other drugs. And pregnant and lactating women need to use the drug under the guidance of a doctor. Irbesartan belongs to the angiotensin II receptor antagonist, after taking it can inhibit vasoconstriction and aldosterone release, so as to play a role in lowering blood pressure. It is mainly used in the treatment of essential hypertension, hypertension combined with type 2 diabetic nephropathy. Usually the drug may cause dizziness, tachycardia, nausea, vomiting and other discomforts after taking it. It is contraindicated for those who are allergic to the components of the drug. In the process of taking the drug, it is necessary to use caution when combining it with drugs such as Repaglinide and lithium, while pregnant and lactating women need to use the drug under the supervision of a doctor. If nifedipine controlled release tablets can not control blood pressure, can be used in combination with Irbesartan, can effectively enhance the effect of lowering blood pressure as well as prolong the time of lowering blood pressure, so it is better. The specific combination of drug program in the doctor after a comprehensive assessment of the condition to decide.