Dr. Nathanael Sun Horne M.D.

A nickel allergy, or jewelry allergy, is the most common form of contact dermatitis associated with the use of earrings and other jewelry. Nickel is found in many items, including accessories, like necklaces and bangles, coins, zippers, watch straps, hair pins, and frames. This skin allergy affects...

In the not-so-distant past, researchers believed that asthma was a condition that always developed during childhood, and one that merely worsened in later adulthood. That theory has since been proven wrong, as asthma has begun to affect problem-free individuals in their thirties and later adult...

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...

What is Symbicort?Symbicort is a combination drug used for the management of asthma and chronic obstructive pulmonary disease (COPD) symptoms. The two active ingredients of Symbicort are budesonide and formoterol. This combination helps relax the airways and makes breathing easier.Budesonide can be...

What are Allergies?An allergy can be defined as a hypersensitive response of the immune system to certain substances that come in contact with the body or enter the body. For example, pollen, any food substance, or venom may cause allergic reactions. The substance that is known to cause an allergy...

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...