Dr. Roger David London M.D.

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...

It is very hard to diagnose lupus. Since two individuals can have different signs of lupus, doctors have a hard time diagnosing it and treating it effectively. To diagnose lupus, it can take a long time, which can be distracting to both the doctor and the affected person. The symptoms of lupus can...

When you pee and see a stream of rusty red urine, the sight fills you with a sense of dread. You suspect that the discoloration is due to the presence of blood. A pungent odor may fuel the anxiety. The only way to confirm suspicions is through a urinalysis recommended by a primary caregiver.  A...

Kidney stones are also known as renal calculi. The occurrence of kidney stones is known as nephrolithiasis. Kidney stones in the urinary tract lead to a condition known as ureterolithiasis. Kidney stones are seen as a common occurrence in the medical world. One in twenty people tend to suffer from...

A kidney biopsy, also called renal biopsy, is a medical procedure which involves taking a sample tissue of the kidney for laboratory analysis. This procedure helps your doctor know the type of disease on your kidney, how severe the disease is and the best treatment option. A kidney biopsy is also...

Epilepsy, also classified as seizure disorder, is a neurological disorder affecting the nervous system. A seizure is the result of electrical activity disturbance in the brain.There is no single cause for epilepsy for about half of the population with this condition. In other cases, the cause of...