Many kidney conditions develop gradually, and early symptoms can be subtle or absent. The signs below don’t necessarily mean kidney disease, but persistent or unexplained symptoms warrant medical evaluation.
23 Strange Signs Your Kidneys Might Be in Trouble
- Needing to urinate more often, especially at night.
- Urinating less than usual or producing very little urine.
- Foamy or bubbly urine, which can indicate protein in the urine.
- Blood in the urine, making it appear pink, red, or brown.
- Swelling in the feet, ankles, legs, hands, or face due to fluid retention.
- Puffiness around the eyes, especially in the morning.
- Persistent fatigue or lack of energy.
- Difficulty concentrating or feeling mentally foggy.
- Loss of appetite.
- Nausea or vomiting.
- A metallic taste in the mouth or food tasting different.
- Bad breath with an ammonia-like odor.
- Persistent itching without an obvious skin cause.
- Dry, flaky skin.
- Muscle cramps, especially in the legs.
- Shortness of breath, sometimes from fluid buildup or anemia.
- High blood pressure that is difficult to control.
- Pain in the side or lower back, particularly if related to kidney stones or infection.
- Difficulty sleeping.
- Feeling unusually cold, which can occur with anemia related to kidney disease.
- Unexplained weakness.
- Dark, cloudy, or unusually strong-smelling urine.
- General swelling or rapid weight gain from fluid retention
