Kidney Stones

Causes

Kidney stones often have no definite, single cause, although several factors may increase your risk.

Kidney stones form when your urine contains more crystal-forming substances (such as calcium, oxalate and uric acid) than the fluid in your urine can dilute. At the same time, your urine may lack substances that keep crystals from sticking together, creating an ideal environment for kidney stones to form.


Types of kidney stones

Knowing the type of kidney stone helps determine the cause and may give clues on how to reduce your risk of getting more kidney stones. Types of kidney stones include:

Calcium stones

Most kidney stones are calcium stones, usually in the form of calcium oxalate. Oxalate is a naturally occurring substance found in food. Some fruits and vegetables, as well as nuts and chocolate, have high oxalate levels. Your liver also produces oxalate. Dietary factors, high doses of vitamin D, intestinal bypass surgery and several metabolic disorders can increase the concentration of calcium or oxalate in urine. Calcium stones may also occur in the form of calcium phosphate.

Struvite stones

Struvite stones form in response to an infection, such as a urinary tract infection. These stones can grow quickly and become quite large, sometimes with few symptoms or little warning.

Uric acid stones

Uric acid stones can form in people who don't drink enough fluids or who lose too much fluid, those who eat a high-protein diet, and those who have gout. Certain genetic factors also may increase your risk of uric acid stones.

Cystine stones

These stones form in people with a hereditary disorder that causes the kidneys to excrete too much of certain amino acids (cystinuria).

Risk factors

Factors that increase your risk of developing kidney stones include:

Prevention

Prevention of kidney stones may include a combination of lifestyle changes and medications.

If you tend to form calcium oxalate stones, I may recommend restricting foods rich in oxalates. These include rhubarb, beets, okra, spinach, Swiss chard, sweet potatoes, nuts, tea, chocolate and soy products.

Medications

Medications can control the amount of minerals and acid in your urine and may be helpful in people who form certain kinds of stones. The type of medication used will depend on the kind of kidney stones you have. Here are some examples:

Contact Details

For an appointment please
Phone number 07 3883 4431 or
Mobile 0488 378 016
Postal address:
Suite 22, Peninsula Specialist Centre, 101 George St, Kippa-Ring, QLD 4021
E-mail: receptionatjpmeyerurology@gmail.com

Consulting At:

Suite 22, Peninsula Specialist Centre,
101 George St
Kippa-Ring, QLD 4021

Operating at:

  • Peninsula Private Hospital, Kippa-Ring, 4021
  • North Lakes Day Hospital
  • Holy Spirit Northside, West Chermside, 4032
  • Redcliffe Hospital, Redcliffe, 4020
    (a private/intermediate list)
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