Dr. Patrick H. Pun MD

What is shivering?Exposure to cold or rapid shifts in temperature usually causes uncontrollable shivering. However, many other possible causes can cause shivering or chills. An uncontrollable shivering that persists for a longer time may indicate an underlying illness that requires immediate medical...

What is dysuria?Dysuria is the medical term for painful urination or a burning sensation, discomfort, or difficulty when passing urine. In most cases, dysuria is a symptom of another medical condition. Males and females of any age can experience dysuria. However, this symptom is more common in...

Rhabdomyolysis is a condition in which the muscles are rapidly broken down resulting in the release of myoglobin — the muscle protein — into the blood. This is a rare condition, and the release of myoglobin into the blood can lead to damage of kidneys. It is mostly caused by muscle injury and...

Systemic lupus erythematosus (also known as lupus) is a condition that usually affects women. It occurs as a result of antibodies or lymphocytes generated against substances that exist in the body. Approximately one out of 2,100 people has the condition.Women are five times more vulnerable to...

Urinary tract infections (UTIs) are common worldwide, among both men and women, and they can occur at all ages. However, women are more likely to develop urinary tract infections than men. A UTI is caused by a bacterial infection in the urinary tract. When bacteria enter the urinary tract, they are...

What are Kidney Stones?Kidney stones are concentrated minerals and acid salts which accumulate in the kidney or the urinary system as crystal structures or stones. They occur when our body lacks fluids required to dissolve minerals and salts present in the urine. Initially the stones will be small...