The fact that there is less urine when standing up and more urine when lying down can be caused by a variety of factors, which can be seen in physiological factors such as changes in body position, but also in bladder stones, prostatitis and other diseases.
1. Changes in body position: When the posture is changed from standing to lying down, the venous return blood volume increases, the glomerular filtration rate increases, coupled with the increase in abdominal pressure when lying down, it may lead to less urine when standing and more urine when lying down.
2. Bladder stones: is a kind of hard crystals formed by minerals in the urine, can be caused by heredity, climate change and other factors. The main symptoms can be seen in the lower abdomen pain, urination difficulties. When the patient is in a lying position, the stone presses on the bladder and reduces the capacity of the bladder, which may lead to excessive urination.
3. Prostatitis: It is an inflammatory disease of the prostate gland that can be caused by sedentary lifestyle and alcoholism. The main symptoms can be seen in frequent urination and painful urination, abnormal urethral secretions, and so on. When the patient is lying down, the residual urine in the bladder increases, which leads to frequent urination.
The above symptoms may also be caused by other factors, if there is less urine when standing up and more urine when lying down, you should go to the regular hospital in time, hospital related examination to clarify the cause of the disease, and actively cooperate with the doctor’s treatment, and strive for early recovery.