What causes blood pressure to be high one day and low the next

Higher blood pressure one day and lower blood pressure the other day, the main consideration and mood fluctuations, dietary influences, drug influence and disease factors and so on.
1. Emotional fluctuations: The blood pressure of human body is not fixed and unchanging, in the emotional excitement, nervousness, sympathetic nerve excitability increases, which can lead to increased blood pressure; emotional stability, blood pressure is relatively stable. When the mood is stable, the blood pressure is relatively stable. Under the influence of different emotions, the blood pressure may be high one day and low another day.
2. Dietary influences: For example, excessive intake of salt can easily trigger sodium retention, leading to increased blood volume, which in turn increases blood pressure. If the diet is not properly controlled, the blood pressure can also be high and low one day at a time.
3. Influence of drugs: Antihypertensive drugs can be divided into different types, such as long-acting antihypertensive drugs and short-acting antihypertensive drugs, whose efficacy and duration are different, and the blood pressure will be higher and lower one day after another during the measurement. In addition, reducing the dosage of medication or stopping medication privately will also lead to fluctuations in blood pressure.
4. Disease factors: For example, heart failure, glomerulonephritis and other diseases can cause blood pressure to fluctuate during an attack, and the blood pressure will be higher and lower one day.
Continuous fluctuation of blood pressure is large, and even the situation that blood pressure is significantly higher than the normal value, you should seek medical treatment in time.