Urticaria
Introduction to Urticaria
Welcome to the Urticaria subsection of the Dermatology for the MSRA course.
This section is designed to provide comprehensive and structured learning materials to help you understand and master the topic of Urticaria for the MSRA.
Resources for Urticaria:
- Urticaria Revision Notes for MSRA: Detailed and concise traditional revision notes covering all essential aspects of Urticaria, including its causes, symptoms, diagnosis, and treatment. These notes are designed using UK NICE guidelines. Use the notes to gain an initial understanding of the topic.
- Urticaria Flashcards for MSRA: Interactive flashcards to help you memorise key facts and concepts about Urticaria. These are perfect for quick reviews and reinforcing your knowledge.
- Urticaria Accordion Q&A Notes for the MSRA: A unique feature where you can test your understanding of Urticaria with question-and-answer style revision notes. This format helps in active learning and retention of important information.
- Urticaria Rapid Fire Quiz for MSRA: A short quiz to test your knowledge and recall of Urticaria-related concepts. This is an excellent way to assess your progress and identify areas that need further review.
We hope you find these resources helpful and engaging as you prepare for the MSRA.
Key Points about Urticaria
- Definition: Urticaria, also known as hives, is a skin condition characterised by the rapid appearance of red, itchy, raised welts or wheals on the skin, typically lasting for a few hours.
- Causes:
- Allergic reactions to foods, medications, or insect stings.
- Non-allergic triggers such as stress, infections, or environmental factors (e.g., heat, cold, or sunlight).
- Chronic idiopathic urticaria where no specific trigger is identified.
- Symptoms:
- Raised, red or skin-coloured welts (wheals) that vary in size and can appear anywhere on the body.
- Intense itching.
- Welts may come and go rapidly, often lasting less than 24 hours.
- Investigations:
- Clinical diagnosis based on appearance and history of symptoms.
- Allergy testing (e.g., skin prick test) if an allergic cause is suspected.
- Blood tests to rule out underlying systemic causes in chronic cases.
- Management:
- Antihistamines are the mainstay of treatment to relieve itching and reduce symptoms.
- For severe cases, corticosteroids may be used short-term.
- Avoidance of known triggers.
- Complications:
- Chronic urticaria can affect the quality of life due to persistent itching and discomfort.
- Angioedema (swelling deeper in the skin) may occur in some cases.
- Anaphylaxis in severe allergic reactions, which requires emergency treatment.
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