You cannot safely or reliably lower creatinine overnight
Stop intense exercise
Avoid dehydration and drink water if you are not fluid-restricted
Avoid alcohol
Avoid high-protein meals
Avoid creatine supplements
Avoid nonsteroidal anti-inflammatory drugs unless prescribed
Avoid other nephrotoxic medications unless your clinician says otherwise
Rest and repeat the test only as directed by your clinician
Seek urgent medical care for reduced urination, swelling, shortness of breath, chest pain, confusion, or severe weakness
Contact a healthcare professional promptly for an elevated creatinine result