If the blood pressure is too low after taking antihypertensive drugs, if the blood pressure is mildly low and there is no discomfort, it is recommended that you can replenish the saline water and continue to observe; if the blood pressure is too low to cause dizziness and other discomforts, it is recommended that you consult a professional doctor and reduce or stop the medication under the guidance of the doctor. 1. If the blood pressure is greater than 90/60mmHg, and there is no discomfort, but the blood pressure is significantly lower than the daily blood pressure, it is recommended to drink some saline to replenish fluids, and continue to use the drug for observation. 2. If the blood pressure is less than 90/60mmHg or dizziness, fatigue and other discomforts, you should consult a doctor in time to follow the doctor’s instructions to temporarily stop or reduce the drug, and pay attention to lying down and rest to avoid causing insufficient blood supply to the heart and brain, and continue to take the drug when the blood pressure is restored to the normal level. If the effect of general treatment is not good, it is recommended to go to the hospital to receive treatment, if necessary, the use of antihypertensive drugs, such as dopamine, epinephrine or mesalamine. Blood pressure is too low after taking antihypertensive drugs need to be analyzed specifically, by a professional doctor according to the blood pressure level, accompanying symptoms, whether or not the combination of other diseases to decide whether to adjust the type of drugs and dosage, shall not be adjusted without authorization.