Urea

Product Description

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Urea is a waste product formed in the liver through the breakdown of proteins. It is excreted by the kidneys in urine and plays a crucial role in the body’s waste elimination system.

Normal Urea Levels

  • Females and Males: 15–45 mg/dL
  • Children: 5–18 mg/dL

How Urea Is Produced

  • Protein Metabolism:
    When proteins break down in the liver, ammonia is produced, which is toxic in high amounts.
  • Conversion to Urea:
    The liver converts ammonia into urea, a much less toxic compound that can be safely excreted by the kidneys.

Role of Urea in the Body

  • Waste Elimination:
    Urea is a primary marker for kidney function, indicating how well the kidneys filter waste from the blood.
  • Indicator of Protein Metabolism:
    Urea levels reflect the rate of protein breakdown in the body.

Diseases and Conditions Revealed by Abnormal Urea Levels

  • Chronic Kidney Disease (CKD)
  • Dehydration
  • Liver Disease
  • Heart Failure

Symptoms Associated with Abnormal Urea Levels

High Urea Levels

  • Fatigue
  • Nausea and vomiting
  • Poor appetite
  • Confusion
  • Shortness of breath
  • Swelling (edema)

Low Urea Levels

  • May indicate liver disease or malnutrition

Note: While urea itself doesn’t typically cause overdose symptoms, very high urea levels can lead to kidney failure, which may present with symptoms such as swelling, high blood pressure, and fatigue.

Diagnosis

  • Blood Test:
    Urea levels are measured using a blood test.
  • Further Testing:
    Abnormal results may necessitate additional diagnostic tests to evaluate kidney function and identify underlying conditions.

Frequently Asked Questions

  1. What does a high urea level indicate?
    High urea levels can indicate kidney disease, dehydration, or excessive protein breakdown.
  2. Can low urea levels be harmful?
    Low urea levels are less common but may signal liver dysfunction or malnutrition.
  3. How can I reduce urea levels?
    Managing kidney disease, staying hydrated, and eating a balanced diet with controlled protein intake can help manage urea levels.
  4. Is urea testing part of routine check-ups?
    Urea testing is not usually part of routine tests but may be ordered if kidney function or related issues are suspected.

 

  • Function in the Body

  • Symptoms of Deficiency

  • Symptoms of Overdose

  • Diagnosis

  • More Information

Frequently Asked Questions

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