Dr. John C Vassallo M.D.

IntroductionAccording to the Centers for Disease Control and Prevention, more than 20,000 deaths annually happen due to unintentional drug poisoning. Moreover, the US Food and Drug Administration stated that four or more prescribed medications are concurrently taken by 40 percent of Americans,...

Interstitial cystitis, also known as painful bladder syndrome, is a chronic condition of the urinary bladder that causes extreme pain and discomfort. It mostly affects women, but may be seen in men as well. Interstitial cystitis often causes mild to severe pain in and around the pelvic area....

Bronchial tubes are the airways through which air travels and reaches the lungs. The inflammation of these bronchial tubes is called bronchitis. The inflammation is more often caused by a viral infection, smoke, dust, or other irritants.Bronchitis may be due to a chest infection, inflammation of...

What is lightheadedness?Lightheadedness or feeling faint may not always be a cause for concern. However, it may also indicate an underlying health problem and can increase the risk of falling and fall-related injuries. If you feel lightheaded, drink water or fluids containing electrolytes and take...

IntroductionPolyuria refers to frequent urination and passing excessive amounts of urine every time a person urinates. Normally, adults pass approximately 1-2 liters of urine per day. However, when there is an excessive urination volume of more than 3 liters a day, it is considered as...

OverviewRed blood cells (RBCs), also called erythrocytes, are the cells that carry oxygen throughout the body. They are also one of the major components of blood. Having a high red blood cell (RBC) count means that the number of RBCs in the bloodstream is higher than normal. When you have signs and...