Dr. Nia K Terezakis M.D.

What are cold sores?Cold sores are due to a virus called the herpes simplex virus. This condition is usually passed on through direct contact with an individual who is shedding the virus. The sores can be too small that a person will not be able to know if he/she has the illness. The virus can be...

What is cat scratch fever?Cat scratch fever is also known as "cat scratch disease", which is a type of bacterial infection. The disease got its name because humans contract the infection from cats that are infected with the bacterium called Bartonella henselae, which is one of the most common...

In normal cases, shafts of hair pierce the skin pores called follicles, and emerge externally to form a protective covering for skin. Sometimes, the same hairs curve backward and re-enter the skin creating small bulbous fluid-filled sacs, that become prone to infection. Such a condition is called an...

What are cold sores?Cold sores or fever blisters are a very common perioral condition caused by the herpes simplex virus (HSV). There are two types of herpes simplex virus. Type 1 usually causes cold sores, although in some cases, the cold sores can also be caused by type 2. It is usually...

If you notice any swelling or small lesions around your genital or anal area, then they probably are warts. Warts are flesh-colored bumps on the skin. They are generally not painful but could be very itchy.Genital warts are common skin infections caused by the human papillomavirus (HPV). This...

What is petechia?The definition of petechia falls under the category of hemorrhaging. A petechia, or more commonly used in Latin plural, petechiae, are microscopically small dots which appear beneath the skin surface in red, brown or purple color. We refer to them in plural because they are barely...