Doctor insights on:
How To Interpret Creatinine Levels
Creatinine: Creatinine level depends on many things....Age, race, sex, muscle mass. For women, the usual creatinine is between 0.6 and 1mg/dl. For men, between 0.9 and 1.4mg/dl. As we age, the creatinine should lower slightly (less muscle mass). The number is important but so are the trends. Usually, I am not very concerned with a creatinine of 1 unless its someone very young or very small/frail. ...Read more
Low kidney function: You have decreased renal (kidney) function. You should get seen by your primary doctor to find out the cause. Possible causes are: chronic high blood pressure, undiagnosed diabetes, chronic nsaid's (e.g. Ibuprofen use..), polycystic kidneys, lupus, bladder/kidney obstruction, artery blockage (stenosis) etc... ...Read moreSee 1 more doctor answer
May not need to: Lab testing isn't "one size fits all." a lab may list 1.2 as the "upper limit of the reference range", but a muscular patient can and should have a higher level. When i was lifting daily, my creatinine stayed at 1.6, and an elite bodybuilder's is likely to 2.0 or so. The level itself doesn't make you sick; it's just one piece of information to tell whether there's kidney disease. ...Read moreSee 1 more doctor answer
Interpretation: Serum creatinine is affected by protein intake, gender, age, race, muscular build, and renal function. A rising creatinine is always of concern. "normal" on lab tests is generally less than 1.2 mg/dl. Renal function can be estimated with a more complex formula or measured with a 24 h urine collection. ...Read moreSee 1 more doctor answer
Treat the cause: High creatinine level is not a problem in and of itself. High creat does not cause a problem or symptoms. Rather, it is a sign that the kidney is slow eliminating waste (including creatinine waste). This slow function is due to a reason whether it is kidney tissue aging or disease or other reasons like blockage of kidney flow. If u decrease creat without improving kidneys, u still have a problem. ...Read more
Care for kidneys: Today's "normal" creatinine / egfr levels for men often fail to take a well-muscled man's normals into account; if you're 1.6 or below (or even a bit higher if you're really strong), i wouldn't worry. If you're higher, limit salt intake, protein intake if your physician thinks helpful, control your atherosclerosis risk, stay fit to stave off any tendency to diabetes. Good luck. ...Read more
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