allergic eczema
Học thuậtThân thiện
Definition
Noun: A type of skin inflammation (eczema) that is specifically triggered by an allergic reaction. It is characterized by itchy, red, swollen, and cracked skin.
Usage
The term "allergic eczema" is used to describe a medical condition where the skin's inflammatory response is directly caused by contact with or exposure to an allergen. It distinguishes this condition from other forms of eczema that may have different causes, such as genetic or irritant factors.
Examples
- The doctor diagnosed the patient's persistent rash as allergic eczema caused by a nickel allergy.
- Common triggers for allergic eczema include certain soaps, fragrances, metals, or plants like poison ivy.
- Managing allergic eczema often involves identifying and avoiding the specific allergen.
Advanced Usage
- Clinical Context: In medical literature, "allergic eczema" is often discussed in the context of atopic dermatitis when a specific allergic component is identified, or more specifically as allergic contact dermatitis.
- Formal Description: The condition represents a delayed hypersensitivity (Type IV) immune response in the skin.
Variants and Related Words
- Allergic contact dermatitis: A more precise clinical term often used synonymously with allergic eczema, emphasizing the cause (contact with an allergen).
- Atopic dermatitis: A broader, chronic form of eczema that often has allergic components but is influenced by genetics and immune system function.
- Eczema: The general term for a group of conditions that cause skin inflammation.
Synonyms
- Allergic contact dermatitis
- Contact eczema
Antonyms
- Irritant contact dermatitis: Skin inflammation caused by direct damage from an irritant, not an allergic reaction.
- Non-allergic eczema
Related Phrases
- Trigger an allergic eczema flare-up: To cause the symptoms to appear or worsen.
- Exposure to latex can trigger an allergic eczema flare-up in sensitive individuals.
Noun
- eczema caused by an allergic reaction