Scratching is often pleasurable, which suggests that, in order to have evolved, this behavior must provide some kind of ...

An allergic reaction, or when your immune system overreacts to a harmless substance, can sometimes manifest in the form of a rash. An allergy rash can be uncomfortable and lead to infections ...

Hives, also known as urticaria, are raised, itchy welts on your skin that occur due to an allergen. The reaction is ...

Allergic reactions (including allergic hives) are an example of your body's response to a physical stressor, while anxiety is a mental stressor that can result in a rash. Hives from anxiety can ...

A rash that appears across larger areas of your body is usually a sign of a systemic (widespread) infection and is often the result of an allergic reaction to medications such as anesthesia ...

Carolina Goncalves, the Superintendent Pharmacist at Pharmica, explained: "This reaction occurs when the body ... an allergic reaction to cold. "It is a rare condition that results in rashes ...