In a simple word, the kidneys just like a sewer for our body which can carry out all the wastes in our body by the way of urine. Creatinine is a kind of metabolic waste which also needs to be excreted out, but if it can not be expelled in time, it will jam the sewer gradually and affect the renal function. Therefore, the level of creatinine can show us the damage in the kidneys. The higher the level is, the severer the disease is.
After knowing the theoretical knowledge of the increase of creatinine level, we can learn some reasons in clinic.
I. People who have renal insufficiency can have an increase of creatinine level in a short time if they are suffering some infections such as cold, pneumonia, enteral infections, urinary tract infections.
II. The serum creatinine level will get higher if the body lacks in water badly, for example, fever, sweet, drink less water, too much urination, less blood flow in the kidneys.
III. Patients with kidney disease who have taken the medicines which are harmful to the kidneys will have to suffer from an increase of creatinine level.
IV. The recurrence of kidney disease causes the changes in the urination, such as less urine or no urine, and if it is combined with acute renal insufficiency, they can lead to the increase of creatinine level.
V. One time increase of creatinine will occur if the patients suffer from overstrain in a long time and do not have enough rest.
VI. If high blood pressure is not controlled well and protein appears in the urine for a long time, the creatinine level can increase gradually.