There is no such thing as Alisatan that cannot be taken for a long period of time, as long as it meets the indications and there are no adverse reactions it can usually be taken for a long period of time. Note that after the occurrence of adverse reactions should immediately consult a doctor. Alisartan belongs to the anti-hypertensive drugs, mainly used for the treatment of mild and moderate essential hypertension. Generally, after taking the drug, the blood pressure can not achieve clinical control within a short period of time, and need to take regular long-term antihypertensive drugs and with lifestyle intervention therapy. Usually, when taking aliskiren for treatment, it is necessary to take the relevant dosage regularly for a long period of time in accordance with the doctor’s instructions, and it is important not to stop taking the drug suddenly or change the dosage of the drug privately, as it may lead to a short-term increase in blood pressure, and fail to achieve the desired effect of lowering blood pressure. Therefore, the drug can usually be taken for a long time. After the use of the drug may appear fever, fatigue, nausea, palpitations, dizziness, dysmenorrhea and other uncomfortable symptoms, need to consult a doctor in time, after the doctor combined with the comprehensive assessment of the condition, adjust the dose of the drug or change other antihypertensive drug treatment. At this time, the drug can not be taken for a long time. At the same time, the drug is contraindicated for people who are allergic to the components of the drug, women in the middle and end stages of pregnancy and breastfeeding. Kidney function, electrolytes, blood pressure, etc. should be monitored during the use of the drug, and for the elderly, children and other special groups, the drug should be used under the guidance of a doctor. All of the above medications should be used under the guidance of a doctor, avoiding self-medication, so as to avoid adverse consequences.