⁣What causes kidney stones? How long does it take to pass a kidney stone? How do you prevent kidney stones?

#kidneystones #preventkidneystones

WHAT are Kidney Stones?
Kidney (renal) stones are a common and painful medical problem. They happen when there are too many crystals in your urine, which stick together and form hard stones.
These stones can be as small as a grain of rice or as large as an apple. They can happen anywhere in your urinary system, such as your kidneys, one of the tubes that drain urine from your kidneys (called your ureters) or your bladder.

What CAUSES Kidney Stones?
There are several reasons you might get kidney stones.
1. A lack of chemicals in your urine can allow the crystals to stick together to form stones.
Kidney stones happen more often when your urine becomes concentrated. This means that people who live in warm climates have a higher risk of developing kidney stones as they may become dehydrated.
2. Eating certain foods such as foods high in salt increases the risk.
3. Having a family or personal history of kidney stones is also an increased risk.
4. Some kidney stones happen because you have high levels of chemicals such as calcium, uric acid or oxalate in your blood.

These lead to different types of kidney stones such as:
CALCIUM STONES
Calcium stones are the commonest type. They happen if you have a lot of calcium in your blood. You're more likely to get calcium stones if you don't drink enough fluid and you eat a lot of salt.
URIC ACID STONES
These stones are more common in men than in women. They happen because your urine is too acidic and there's a lot of uric acid in your blood. You're more likely to get uric acid stones if you don't drink enough fluid and you eat a lot of fish and red meat, especially offal meats such as liver, kidney and brains.
STRUVITE STONES
These are slightly more common in women who get repeated urine infections. They're made up of magnesium, ammonium and phosphate.

What are the SYMPTOMS of Kidney Stones?
Some people have no symptoms or mild symptoms such as aching in their lower back and urine infections. Sometimes the stones are found by chance when having an X-ray or scan for another reason.

If the stone moves from your kidney towards your bladder, you can get severe pain. You can also feel like you need to pass urine more often.
Sometimes people can pass kidney stones in their urine and have no or few symptoms. But kidney stones can get stuck and cause a blockage. This is called renal colic, and can be very painful.

The symptoms of renal colic include:
* pain that comes and goes.
* pain in your lower back or the side of your abdomen
* blood in your urine (your urine can look pink)
* feeling sick and vomiting
* a high temperature (fever), which can happen if you get a urine infection.
If you have any of these symptoms, see your GP or after-hours healthcare provider as soon as possible for tests and pain relief. If you're very unwell, you may need to go to hospital.

TESTS for Kidney Stones:
* blood test
* urine test
* CT Scan

How to PREVENT Kidney Stones:
Most kidney stones are made of calcium and oxalate. They form when your urine has too much calcium and oxalate and not enough fluid.
Oxalate is a naturally occurring substance that comes from many plants. It's also made in the body.
To prevent Calcium Oxalate Stones:
1. Drink plenty of fluids (water)
2. Reduce your salt intake
3. Eat plenty of calcium rich foods
4. Choose small servings of animal protein foods
5. Avoid high-dose vitamin C supplements

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ABOUT ME: I want to make it easier for people to fix common health problems. I work as a medical doctor in New Zealand.