More than 50 million Americans suffer from allergies — making allergies the sixth leading cause of chronic illness in the United States, according to the Centers for Disease Control and Prevention.

An allergy is an immune system overreaction to a substance that would otherwise pose no harm. Doctors may use a physical examination, skin tests, and blood tests to diagnose allergies. Different ...

An allergy happens when your immune system mistakes a normal, harmless substance for something that can cause illness. Your body then has an allergic reaction to this harmless substance—called an ...

There are several types of skin problems, which can be caused by genetic conditions, allergies, irritants, or impaired immune systems. In addition, skin problems can be associated with certain ...

Following that, a skin prick test is performed to discover the specific pollen that is causing the allergic reaction. ... Type of Pollen Allergies. News-Medical, viewed 12 July 2025, ...

Causes of contact dermatitis. These types of eczema can develop after something damages the skin. These include chemicals and frequent hand washing. Irritant contact dermatitis can start after ...

A chemical allergy is an expansive allergic condition which represents approximately 30 percent of occupationally induced skin diseases — and it is the second largest occupational disability ...

Here are four common types of medications that may cause dry skin. 1. ... Antihistamines work by blocking histamine receptors to reduce allergy symptoms like itching, sneezing, and watery eyes.