Stopping antihypertensive drugs for 1 day is generally not dangerous, but it is not recommended to stop using antihypertensive drugs privately. At present, many antihypertensive drugs belong to the long-acting antihypertensive drugs, drug half-life can be up to dozens of hours, for the half-life of 24 hours of drugs such as timosartan, the body generally need to metabolize 5 days to clear the drug, so if you occasionally stop taking the drug for 1 day, a certain amount of blood concentration can still play a role in the efficacy of the drug, the blood pressure can be somewhat controlled, is generally not dangerous. However, the longer the drug stops taking, or the more times you miss taking the drug, then the blood concentration in the body will be affected, resulting in blood pressure fluctuations, and short-term high blood pressure is a risk factor for cardiovascular disease, so try to avoid a long time to stop taking the drug or many times to miss taking the drug, so as to avoid affecting the therapeutic effect. Part of the antihypertensive drugs are short-acting drugs, after stopping the use of the drug will cause a significant drop in blood pressure concentration, blood pressure may rise significantly, and dizziness, head swelling and other uncomfortable symptoms, serious cases may be due to blood pressure fluctuations such as cerebral hemorrhage, stroke, limb mobility disorders, slurred speech and other consequences. Immediate medical attention is recommended to avoid serious adverse consequences. It is recommended to take the medication regularly to avoid missing doses, and after missing doses, especially after the occurrence of uncomfortable symptoms, you should consult a doctor in time and be guided by a professional doctor for treatment.