文档介绍：Xiaoyang Feng
urticaria
1
最新课件
history
between 1000-200 years BC. urticaria is called "Feng Yin Zheng" in "The Yellow Emperor's Inner Classic"
Hippokrates (460-377 BC) described itching lesions caused by nettles and mosquitoes which he called knidosis after the Greek word for nettle (knido).
The word urticaria was first introduced in 1769 by William Cullen
2
最新课件
What is urticaria(hives)?
Red or pale
itchy wheals On
skin
Disappear With
nothing left in few
hours
3
最新课件
Classification
AU (acute urticaria) (< 6 wk)
CU (Chronic urticaria) (> 6 wk)
Physical urticaria
4
最新课件
epidemiology
15% to 25% of individuals will experience at least 1 episode of urticaria
acute cases (70%) are more common than chronic (30%)
Acute urticaria is more common in children and adolescents than in adults, while chronic urticaria more typically affects adults.
In chronic urticaria, women are affected more often than men (60% versus 40% of cases, respectively).
5
最新课件
diagnosis
Wheals appear, and then disappear with nothing left in a few hours.
sometimes accompanied by angioedema, or swelling deeper in the skin.
The real factor is hard to figure out
6
最新课件
Provoking factors
food item: spicy food, egg, fish, strawberry even milk and it product.
food additives: as benzoate compound –Azodyes.
Drug: aspirin, certain antibiotics, NSAID. ,codeine , morphine
inhalants :- pollen - spore – house dust mite.
infection and infestation:
psychological factor play important role
certain systemic diseases : CTD esp. SLE , malignancy [lymphoma ] endocrine diseases as [thyrotoxicosis . polycythemia] , liver disease, pregnancy
7
最新课件
Clinical signs
AU(acute urticaria) CU(chronic urticaria)
8
最新课件
Physical urticaria
1. cholinergic urticaria
2. dermographism
9
最新课件
3. cold urticaria
4. heat urticaria
10
最新课件