1. Discolored Urine

The kidneys play a vital role in producing urine and eliminating waste from the body. Changes in urine, such as unusual color, odor, or frequency, may indicate kidney failure. Examples include frequent urination, nighttime urination, blood in the urine, foamy urine, or discoloration like green or red hues.

2. Difficulty Sleeping and Sleep Apnea

Kidney failure often disrupts sleep, causing individuals to have trouble falling or staying asleep. Sleep apnea, characterized by short pauses in breathing (lasting a few seconds to a minute) followed by normal breathing, is also common. Loud snoring could further signal kidney health concerns.

3. High Blood Pressure

The kidneys and circulatory system are closely connected. Small kidney structures called nephrons filter waste and fluids from the blood. When kidney function declines, it can lead to high blood pressure due to the impaired filtering process.

4. Back Pain

Kidney failure may result in back pain, especially around the lower ribs or groin area. If back pain is paired with symptoms like fatigue, vomiting, frequent urination, or a high fever, it’s crucial to seek medical attention, as these could be warning signs of kidney issues.