Kidney Stones


Kidney stones are hard deposits of minerals and salts that form inside the kidneys. They can vary in size and may cause severe pain as they move through the urinary tract. Here’s an overview of kidney stones:

Types of Kidney Stones:

  1. Calcium Stones:
    • Description: The most common type, often made of calcium oxalate or calcium phosphate.
    • Causes: High levels of calcium in the urine, which may result from diet, certain medical conditions, or medications.
  2. Struvite Stones:
    • Description: Often larger and less common, these stones can form as a result of urinary tract infections (UTIs).
    • Causes: Infection by bacteria that produce ammonia, which increases the pH of urine and leads to stone formation.
  3. Uric Acid Stones:
    • Description: Formed from high levels of uric acid in the urine.
    • Causes: Can result from a diet high in purines (found in red meat and shellfish) or conditions like gout.
  4. Cystine Stones:
    • Description: Rare stones caused by a genetic disorder called cystinuria, which leads to high levels of cystine in the urine.
    • Causes: Genetic condition that causes cystine, an amino acid, to leak into the urine.

Symptoms:

  • Pain: Severe pain in the back, side, lower abdomen, or groin. The pain often comes in waves and can vary in intensity.
  • Hematuria: Blood in the urine, which may cause the urine to appear pink, red, or brown.
  • Frequent Urination: A need to urinate more often than usual or experiencing pain while urinating.
  • Nausea and Vomiting: Can occur if the pain is severe or due to the body’s reaction to the stones.
  • Cloudy or Foul-Smelling Urine: Often due to infection or the presence of stones.

Diagnosis:

  • Imaging Tests:
    • CT Scan: Often the preferred method for diagnosing kidney stones, providing detailed images of the kidneys, ureters, and bladder.
    • Ultrasound: Useful for detecting stones, especially during pregnancy or when avoiding radiation.
    • X-rays: Can help identify stones, particularly calcium-based ones, though they are less effective for all types.
  • Urinalysis:
    • Tests: Analyzes urine for the presence of red blood cells, white blood cells, and crystals.
  • Blood Tests:
    • Tests: To check for high levels of calcium, uric acid, or other substances that might contribute to stone formation.

Kidney stones can be very painful, but with appropriate diagnosis and treatment, many people find relief. Consulting a healthcare provider is important for managing symptoms and preventing future stones.