This condition differs from the preceding in that it is a diminished production of the urine by the kidneys, instead of being a retention by the bladder. This is a very serious symptom, indicating inactivity of the kidneys from congestion, acute or chronic disease, or conditions present in such diseases as typhoid fever, cholera, and other diseases characterized by great debility. The danger to be apprehended in this condition is the poisoning of the system from the retention of urea, the principal poisonous element eliminated from the blood by the kidneys.

Careful attention should be given to the amount of urine passed by patients or removed by means of the catheter. The amount usually passed in health is from a pint and a half to three pints. A much smaller quantity than twenty-four ounces or a pint and a half should be considered as a serious symptom.

The Treatment of Suppression of Urine

If the attack is an acute one, relief may often be obtained by giving the patient a sweating bath of some sort, as a hot air or vapor bath, or a warm blanket pack. Fomentations across the small of the back applied continuously for an hour or two, or until relief is obtained, is also a very excellent measure. If fomentations are not successful, alternate cold and hot applications may be employed. In case the disease is chronic, the patient should be kept in a state of active perspiration for several hours so as to relieve the system of urea through the medium of the skin.