12 Subtle Signs of High Creatinine Levels That Could Point to Early Kidney

Awareness Matters for Kidney Health

Your kidneys filter waste, balance fluids, and regulate blood pressure every single day. When creatinine—a waste product from muscle activity—builds up in the blood, it means the filtering process isn’t working as smoothly. Studies indicate that catching these changes early through routine blood tests (like checking creatinine and eGFR) can help manage risks better. But before tests, your body sometimes sends quiet messages. Let’s break them down.

1. Mild Morning Puffiness Around the Face and Eyes

Waking up with slightly swollen eyelids or a fuller