Dr. Sarah Margaret Nicolai M.D.

Recommended Articles

• Can Eczema Be Treated with Over-the-Counter Medications?

  What is eczema?Eczema is a condition that affects the skin. Its typical symptoms include a rough inflamed skin with fluid-filled blisters that are itchy. Eczema most often affects the areas of the neck, inner elbows, behind the knees, the wrists, ankles, and the creases between the buttocks. The...

• What Are Petechiae?

  What Are Petechiae?Petechiae can be described as marks or blotches that normally appear on the skin and are tiny, round, and purplish or reddish in color. Petechiae are usually pinpoint-sized. Minor hemorrhage (bleeding that is localized below the skin) is the source of petechiae.Although they...

• 5 Tips on Living with AIDS

  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...

• Immunosuppressive Drugs for Multiple Sclerosis

  What is multiple sclerosis (MS)?Multiple sclerosis is a medical condition that affects the brain and the spinal cord. A few of the early symptoms of the disease are numbness, tingling sensation, blurry vision, and feeling weak. In this disease, the immune system tends to attack the myelin, which is...

• Allergies: Symptoms, Causes and Risk Factors

  What are Allergies?An allergy is basically a disorder of the immune system response that leads to certain symptoms, such as coughing, sneezing, watery eyes, and a runny nose. When the immune system reacts to a foreign substance, such as dust mites, pollen, pet dander, bee venom, or any kind of food,...

• Poison Ivy, Poison Oak, Poison Sumac: The Rashes

  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...