urticaria
/, :ti'ke ri /
Học thuậtThân thiện
Definition
- Noun:
- A skin condition: "Urticaria" is a medical term for an itchy skin eruption characterized by raised, red or skin-colored welts (also called hives or weals) that often have a pale center and a distinct red border. It is typically caused by an allergic reaction.
Usage
- "Urticaria" is used as a non-count noun to name the medical condition itself.
- It is a formal, clinical term. In everyday language, people more commonly say "hives."
Examples
- Noun:
- The patient presented with acute urticaria after eating shellfish.
- Chronic urticaria can be difficult to manage and may last for weeks.
- Common triggers for urticaria include certain foods, medications, and insect stings.
Advanced Usage
- "Urticaria" in Medical Contexts: The term is often modified by adjectives describing its type, duration, or cause.
- Cholinergic urticaria is triggered by heat or exercise.
- The dermatologist diagnosed her with *pressure urticaria.
Variants and Related Words
- Hives (n): The common, non-medical synonym for urticaria.
- She broke out in hives due to the allergy.
- Weal or Wheal (n): Refers to an individual raised, itchy lesion characteristic of urticaria.
- Each red weal on her skin was intensely itchy.
- Angioedema (n): A related condition involving deeper swelling, often occurring with urticaria.
Synonyms
- Hives: The most common direct synonym.
- Nettle rash: An older term, comparing the rash to the sting of nettles.
Related Phrases / Collocations
- To break out in urticaria/hives: To suddenly develop the condition.
- He breaks out in urticaria whenever he takes penicillin.
- Urticaria pigmentosa: A specific skin condition where urticaria occurs with increased skin pigmentation.
- Inducible urticaria: Urticaria triggered by a specific physical stimulus like cold or pressure.
Noun
- an itchy skin eruption characterized by weals with pale interiors and well-defined red margins; usually the result of an allergic response to insect bites or food or drugs