1. Mild Morning Facial Puffiness
One of the earliest subtle signs that may indicate elevated creatinine levels is mild puffiness around the eyes and face noticeable upon waking. This occurs because kidneys that are not functioning optimally struggle to excrete excess fluid and sodium efficiently, leading to fluid retention overnight.
This facial swelling is usually mild but persistent, often fading gradually as the day progresses. Unlike puffiness caused by allergies or poor sleep, this tends to be consistent and may accompany other signs of kidney impairment. Monitoring salt intake and fluid balance can help, but medical evaluation is necessary to identify the root cause.
2. Changes in Urination Habits
Alterations in urination patterns are common early indicators of kidney stress. This can manifest as increased frequency, such as needing to urinate multiple times during the night (nocturia), or decreased urine output during the day due to impaired concentrating ability of the kidneys.
Other changes may include a sense of urgency, discomfort, or variations in the volume of urine produced. These shifts occur because damaged kidneys cannot regulate fluid balance or filter blood properly. If you notice sudden or persistent changes, it is important to discuss them with your healthcare provider to enable timely testing and intervention.





