Dr. Irvin Norman Sporn MD

What are kidney stones?A kidney stone is a hard, crystal-like mineral substance formed within the kidney or urinary tract. In medical terms, it is known as nephrolithiasis. They are also called as renal calculi.Kidney stones can block the stream of urine and can result in urinary infection, kidney...

What is lupus?Lupus or systemic lupus erythematosus is an autoimmune disorder that may affect skin, kidneys, brain, and other organs. According to Lupus Foundation of America, about 1.5 million people in U.S. have lupus. This condition is seen more in women than in men....

What is dysuria?Dysuria is the medical term for painful urination or discomfort while urinating. This painful, burning sensation is commonly associated with urinary tract infections, which are usually caused by bacteria. Dysuria is also a common symptom of cystitis (inflammation of the bladder) and...

Oliguria is a medical term used when referring to a decreased urine output. Oliguria is considered when a person’s urine output is less than 400 mL in a 24-hour period. When it comes to infants, oliguria occurs when the urine output is less than 0.5 mL/kg/hr for 24 hours. Anuria is the absence...

Kidney stones are a condition that affects around 15 percent of the world's population. For reasons unknown, the condition's prevalence has increased over the last 30 years. Kidney stones more often affect men than women. What are kidney stones?Kidney stones or renal lithiasis is the formation of...

A kidney stone is a condition that occurs when the minerals and salts present in the urine become concentrated in high levels and eventually tend to crystallize. These crystallized formations can be seen as stones, and they often stick together. Kidney stones mostly form in the kidney. They start as...