Creatinine levels indicate a person's kidney health, and high levels mean your kidneys are not working as effectively as they should.

Creatine is a natural substance that helps supply energy to muscles. Creatinine is a waste product produced when creatine is broken down. Rhabdomyolysis, or "rhabdo," occurs when excessive creatinine ...

Creatinine is a natural waste product made by your muscles during regular energy use. Normally, your kidneys filter it out ...

If you have symptoms like headache, visual changes, shortness of breath, chest pain, or swelling, seek urgent medical ...