The reasons why you can’t lower your blood pressure by taking valsartan include severe hypertension and resistance to the drug, etc. You can change your antihypertensive medication to treat your disease under the guidance of your doctor. Valsartan belongs to the angiotensin 2 receptor antagonist, suitable for the treatment of mild to moderate essential hypertension, for severe hypertension, the effect of lowering blood pressure is often not obvious. At the same time, if the patient is resistant to valsartan, the normal pharmacological effect of the drug is not obvious. So when the antihypertensive effect is not obvious in the process of taking valsartan, it is recommended to go to the hospital in time, and change the antihypertensive drugs to control blood pressure under the guidance of the doctor, and the antihypertensive drugs that can be chosen include captopril, metoprolol, nifedipine and so on, which are prohibited to those who are allergic to the drug.