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Kidney stones, renal colic: What are the signs?

Updated on January 10, 2013

What are the signs of colic?

How can you detect a kidney stone?

What is the treatment of renal colic?

Kidney Stones: How to prevent?

Risk factors

What are the signs of colic?

Approximately 10% of the population will suffer one day a kidney stone.

The presence of a kidney stone is often revealed by renal colic. The renal colic crisis is manifested by a sudden pain, particularly violent and spasmodic. This pain is in the back, on the one hand, and may radiate to the lower abdomen to the groin or testicles or on the vulva.

Other symptoms are typically associated with pain.

Signs of colic:

Spasmodic pain unbearable.

Painful urination, burning.




The presence of blood in the urine is a sign that may indicate the presence of a stone in the urinary tract.

How can you detect a kidney stone?

(abdominal ultrasound radio, or scanner) to detect the presence of a calculation and determine its exact position (in the kidney, ureter, bladder).

You can also inject a dye before radio (PIV) to see if the calculation is an obstacle in the urinary tract.

What is the treatment of renal colic?

To relieve the victim of colic, potent analgesics are administered. In the case of urinary tract infection, an antibiotic is needed.

Then you have to treat the cause that is removing kidney stones.

Can you escape alone, drinking plenty of water?

Alternatively use extracorporeal lithotripsy, which involves sending shock waves through the skin and tissue to spray the calculation. The indication of lithotripsy depends on stone size, nature, and location.

Otherwise, surgery is required. There are two general techniques, indications, again, dependent on the size and location of the calculation:

Ureteroscopy: a flexible endoscope is introduced through the natural routes to dislodge kidney calculus.

When the kidney stone is recovered, is analyzed to determine composition, useful information to prevent the recurrence of kidney stones.

Kidney Stones: How to prevent?

Prevention depends mainly on the consumption of a large amount of fluid, mainly water, spread throughout the day, ideally the night too.

The diet also helps prevent the recurrence of kidney stones. Recommendations of food will depend on the type of calculation, ie its mineralogical composition and protein.

One can distinguish calcium stones (calcium phosphate, calcium oxalate), struvite (magnesium and ammonia), uric acid and cystine. However, the most common are the uric acid and calcium oxalate stones.

So, as appropriate, calcium supplements can be avoided, while the consumption of certain proteins is limited (meat, fish, poultry) or other types of foods that increase uric acid (beer, broccoli, rhubarb, beet, chocolate, nuts, spinach,).

The prevention measures in collaboration with the urologist or a nutritionist.

Risk factors

The personal and family history of kidney stones.

frequent urinary tract infections.


Kidney problems.

Metabolic disorders

Polycystic kidney disease.

Some diuretics and calcium-containing antacid drugs, sulfonamides, some antiviral...


Type 2 diabetes.

Hydration poor.


Overfeeding protein or salt.



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