Dr. Cheryl Lynn Walker-mcgill M.D.

What is poison ivy? Poison ivy (Toxicodendron radicans) is a popular plant known for causing rashes and skin irritation when one comes in contact with it.Poison ivy is a woody shrub or vine that is found in either shady or sunny locations. It can grow up to six feet tall as a shrub, or 150 feet tall...

Eczema is the collective name of a number of skin diseases. In general, it manifests as spots on the skin that can swell with a clear liquid. It is often confused with an allergic reaction, although it is, in fact, a skin irritation. Many people are well aware that eczema cannot be transmitted from...

Mold is a type of fungus that can cause severe allergic responses when the spores are inhaled. The fungi feeds on dead and decayed organic matter. They grow rapidly and produce small spores that spread through the wind. Molds are often found in cool and damp places, like basements, rotting leaves,...

What is Vistaril (hydroxyzine)?Vistaril is a medication used to reduce central nervous system activity. It is an antihistamine drug that can help reduce the effects of histamine in the body and relieve symptoms of allergy, such as histamine-induced itch, hives, and contact dermatitis.Vistaril is...

Allergies have a direct connection with the immune system of a person.Primarily, our body’s defense system is meant to create a defense mechanism against various diseases that cause germs or bacteria. However, for people who have allergies, this defense mechanism also combats harmless substances...

OverviewAIDS is caused by human immune deficiency virus (HIV). The virus damages the immune system by interrupting the ability of the body to fight infection. The affected person becomes more vulnerable to disease. Individuals that are affected with HIV can acquire AIDS, but not all individuals...