Dr. David J Karasek MD

Causes of Fainting A person faints or loses consciousness for a brief time when the brain does not get enough oxygen. Fainting or passing out is also medically called syncope. Before fainting, people may experience lightheadedness, dizziness, weakness, and nausea. Others describe fainting as...

Tips to prevent the flu:Get flu shots – Flu vaccinations still remain the best way to prevent flu in the season. One should ideally get vaccinated in fall to avoid the chances of getting flu. If one has missed it, try to get the shot in winter. One can chose either a flu shot that contains killed...

Cellulitis is a bacterial infection, which usually occurs in the deep layers of the skin. The infection happens when bacteria enter the skin through open cuts and wounds. The infected area usually feels warm to touch, painful, red, and swollen.The most common part of the body affected by cellulitis...

What does a black stool indicate?A black or dark red-colored stool is called tarry or bloody stools. However, passing dark-colored stools is not always caused by serious problems. One of the most common causes of black stools is the consumption of iron supplements, particularly in people who have...

What is an STD?Sexually transmitted disease, or commonly known as STD, is a type of disease that gets transmitted through sexual contact. AIDS caused by the HIV virus is a primary example of a sexually transmitted disease. Most STDs do not have any obvious symptoms at the beginning, aside from the...

According to a recent study, women who smoke frequently are prone to more hot flashes during menopause, compared to women who do not smoke at all. Earlier studies suggest that there is a link between smoking and early menopause, in addition to menopause encourages worse symptoms. A recent study that...