Kidney Stones
Kidney stones can form when the urine contains too much of certain substances. These substances can create small crystals that become stones. Kidney stones may not produce symptoms until they begin to move… More »
healthline.com
Episodes of nausea associated with renal colic. ... Very strong pain killers are required for renal colic. ... During a kidney-stone episode, stay active. Don't go to bed. Activity may help the stone pass. However, avoid situations which can endanger you or others if you have renal colic.
www.rxmed.com/b.main/b1.illness/b1.1.illnesses/KIDNEY%2... www.rxmed.com/b.main/b1.illness/b1.1.illnesses/KIDNEY%20STONES%20(RENAL%20CALCULI).htm
Kidney stone - Wikipedia, the free encyclopedia
Kidney stones or renal calculi (from Latin ren, renes , "kidney" and calculi , "pebbles" ) are solid concretions or calculi (crystal aggregations) formed in the kidneys from dissolved urinary m...
en.wikipedia.org/wiki/Kidney_stone
Acute passage of a kidney stone from the renal pelvis through the ureter gives rise to pain at times so excruciating that it has been likened to the discomfort of childbirth. ... Stones impacted within the ureter cause abrupt, severe, colicky pain in the flank and ipsilateral lower abdomen with radiation to the testicles...
emedicine.medscape.com/article/777705-overview
Pain relievers can help control the pain of passing the stones (renal colic). For severe pain, you may need to take narcotic pain killers or nonsteroidal anti-inflammatory drugs (NSAIDS) such as ibuprofen. ... There are different types of kidney stones. The exact cause depends on the type of stone.
www.nlm.nih.gov/medlineplus/ency/article/000458.htm
The pain of kidney stones - referred to as 'renal colic' - can be very severe. It begins as soon as the stone becomes stuck in the ureter and tends to come in waves. It's not usually associated with the size of the kidney stone - sometimes small stones can cause more pain than very large ones.
hcd2.bupa.co.uk/fact_sheets/html/Kidney_stones.html hcd2.bupa.co.uk/fact_sheets/html/Kidney_stones.html
Others need to be removed by some sort of medical intervention.  Stones are not a common cause of renal failure or death, but are merely painful and bothersome.
www.chem.uwec.edu/Chem115_F00/meyersu/project.htm
Nephrolithiasis (kidney stones, renal calculi) is the development of stones within the kidney that may then be passed through the ureters into the bladder and excreted with the urine. This process of stone passage may be painless if the stones are very small, or may cause significant pain (renal colic).
www.sfuptown.com/health/center/nk014.html
Renal stone or calculus or lithiasis is one of the most common diseases of the urinary tract. It occurs more frequently in men than in women and ... · Infection disturbs the colloid content of the urine, also causes abnormality in the colloids (which may cause the crystalloid to be precipitated).
www.icm.tn.gov.in/dengue/Renal%20stone/description1.htm www.icm.tn.gov.in/dengue/Renal%20stone/description1.htm
Most renal calculi (about 80%) are calcified. Sonographically, stones usually appear as a hyperechoic foci with distal acoustic shadowing (Picture1). Gas may cause a similar appearance but may have a "dirty" shadow that is not as sharply defined as would occur with a calculus.
www.ultrasoundtraining.com/renalCalculus.htm www.ultrasoundtraining.com/renalCalculus.htm