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Possible causes of a higher creatinine level include: kidney damage or kidney failure. kidney infection. reduced blood flow to the kidneys.
Symptoms when vitamin D is low Fatigue. Not sleeping well. Bone pain or achiness. Depression or feelings of sadness. Jul 19, 2022
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Acute bacterial prostatitis is usually caused by common strains of bacteria. The infection may have spread from other parts of the urinary or...
Read More »What is creatinine? Creatinine is a waste product that’s made by your muscles. Your kidneys work to filter creatinine as well as other waste products out of your blood. After being filtered, these waste products are then expelled from your body in urine. Measuring creatinine levels can provide important insights into how your kidneys may be functioning. Your doctor can measure creatinine levels in both your blood and in your urine. Creatinine levels that are above or below normal ranges may indicate the presence of a health condition. Let’s take a closer look at high creatinine, the symptoms that go along with it, and when to see a doctor. Normal and high ranges Creatinine levels can be determined using a blood test or a urine test. Blood creatinine test You may also see this test referred to as a serum creatinine test. During this test, blood is collected from a vein in your arm and is then sent to a lab for further analysis. According to Mayo Clinic, the normal range of creatinine (for an adult) in the blood is typically: U.S. units: 0.84 to 1.21 milligrams per deciliter (mg/dL) 0.84 to 1.21 milligrams per deciliter (mg/dL) European units: 74.3 to 107 micromoles per liter (umol/L) Creatinine levels above the normal range values may be considered high. Your doctor may want to confirm these values by using a urine test or by repeating the blood test. Urine creatinine test Your doctor may collect a random (single) urine sample for this test, but they’ll more likely request a 24-hour sample. A 24-hour urine sample involves collecting your urine over a period of 24 hours. According to Mayo Clinic Laboratories, the normal urine creatinine ranges in a 24-hour urine sample are: U.S. units: 955 to 2,936 milligrams per 24 hours (mg/day) for men; 601 to 1,689 mg/24 hours for women 955 to 2,936 milligrams per 24 hours (mg/day) for men; 601 to 1,689 mg/24 hours for women European units: 8.4 to 25.9 millimoles per 24 hours (mmol/day) for men; 5.3 to 14.9 mmol/day for women Urine creatinine levels above these ranges are considered high, and additional testing or repeat testing may be required. The amount of creatinine in the urine can also be used in conjunction with serum creatinine results to calculate your creatinine clearance, which measures how well your kidneys are filtering your blood. A Note on reference ranges and Results Creatinine levels may vary due to factors like by age, sex, race, hydration, or body mass. Additionally, standard reference ranges can vary from lab to lab. It’s important that you don’t try to interpret your results on your own. Your doctor will work with you to evaluate and interpret your results and what they may mean. Symptoms that can accompany high creatinine The symptoms of high creatinine can depend on the condition that’s causing it. Drug toxicity (drug-induced nephrotoxicity) Some medications can cause damage to the kidneys and impair their ability to function. Examples of such drugs are: antibiotics, such as aminoglycosides, rifampin, and vancomycin
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