Dr. Brian Douglas Pfeiffer MD

Urine Culture and Sensitivity TestA urine culture is a laboratory test that can identify specific types of germs that cause urinary tract infections. A urinary tract infection occurs when bacteria enter the urinary system through the urethra. Bacteria can rapidly grow and multiply, and cause an...

Mono or mononucleosis, is a viral infection caused by the Epstein-Barr virus. This infection is also known as the "kissing disease". This condition is very common among teenagers and adults. Mono may persist for weeks and months together, but resolves on its own without any particular treatment....

Analysis of data from the famous Framingham Heart Study showed that friends, relatives and others with whom you hang out with decide how much of alcohol you drink, if you drink alcohol. In this study, 12,067 people were followed up for more than 30 years to study the association between lifestyle...

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...

Is it a sore throat or a strep throat infection?Strep throat is a medical condition associated with bacteria that infect the throat and tonsils. The infection is caused by group A Streptococcus bacteria. This group of bacteria is usually spread through contact with droplets of an infected person....

A dark stool refers to a stool that is either black or dark red in color. You may pass dark bowel movements after consuming dark-colored foods or when an injury or bleeding is present in your gastrointestinal tract. If you pass dark or bloody stools, see your doctor immediately to rule out serious...