Dr. Mark Lewis Vandewalker M.D.

What is allergic bronchitis?Bronchitis is an inflammation of the inner lining of the bronchial tubes usually due to a viral infection of the upper respiratory tract. Bronchitis itself can be acute when the signs and symptoms last no longer than 10 days, and chronic when the signs and symptoms tend...

PrednisonePrednisone is a corticosteroid, which prevents the release of substances in the body that lead to inflammation. It can also suppress the immune system. Prednisone can be used as an immunosuppressant or an anti-inflammatory drug. A number of conditions can be treated with prednisone. They...

Breathe in and breathe out. Isn't it one of the simplest things to do in life? But when you see your loved ones, especially your children, wheezing, it can really make you anxious and stressed. One of the most traumatizing diseases that can leave one struggling for something as basic as oxygen is...

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...

The results of a large study published in the journal Pediatrics, has shown that childhood food allergies are more common and dangerous than previously thought. In this study, researchers conducted a detailed survey of about 38,000 families who had at least one child under the age of 18-years-old....

Pollen grains from flowers are the main cause for spring allergies. When pollen enters an individual's nasal cavities, particularly in those who are allergic to them, it stimulates the immune system to react in an allergic response. Antibodies produced by the immune system start attacking the...