Dr. Brenda Shang Chan MD

Headaches that recur two to three times during a short period of time are known as cluster headaches. This may last for few weeks, to months. These headaches often occur after sleep and recur throughout the day. It usually appears during the same time of the year, or season of the year. It may...

Swollen feet can be easily linked to pregnancy, standing for long hours, or injury by most people. These cases are often temporary and not a cause for concern. However, swollen feet can also be experienced by people without these factors and can be a sign of an underlying medical condition,...

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...

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...

Introduction:Blood in urine is more often than not a sign that there is something amiss in the body. It may signal a minor infection that need not worry you, but it could also be pointing to something more serious that is still undetected. Even if you appear to be in reasonably good health, it is...

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...