5. 蕁麻疹
5
研究顯示
• 多數蕁麻疹為急性發作,在數天後會康復;但若反覆發
作超過6星期以上,則稱為慢性蕁麻疹
• 根據大型研究統計每200人就有一人為慢性蕁麻疹所苦
• 與教育程度、工作性質、住所、人種、薪資無顯著關係
• 人一生有三分之一的機率會發生蕁麻疹,23.3%的華人都
曾出現蕁麻疹症狀
• 女性則是男性的2至3倍
1. Maurer M, et al. Allergy 2011;66:317−30;
2. Kozel MM, et al. Arch Dermatol 1998;134:1575–80;
3. Saini SS. Curr Allergy Asthma Rep 2009;9:286–90;
4. Hellgren L. Acta Allergol. 1972;27:236–40;
5. Gaig P, et al. J Investig Allergol Clin Immunol. 2004;14:214–20;
6. Zuberbier T, et al. Clin Exp Dermatol. 2010;35:869–73;
7. Zazzali JL, et al. Ann Allergy Asthma Immunol. 2012;108:98–102;
8. Furue M, et al. J Dermatol. 2011;38:310–20
2011 BNHI data.
6. 台灣的蕁麻疹病患
女性比男性略多,大部分是在 30 及 40 幾歲
6
56.12% 56.28% 55.38% 70.87%
43.88% 43.72% 44.62% 29.13%
Total
(N=76,383)
1-2 line
(N=36,641)
3rd line
(N=38,298)
4th line
(N=1,444)F M
Slightly more female than male general urticaria patients. Female dominates
severe patients
Average urticaria patient age is 42. The incidence reach its high peak at
patients in their 30s & 40s
0.00%
0.50%
1.00%
1.50%
2.00%
1 11 21 31 41 51 61 71 81 91 101
F
(Avg age 42)
M
(Avg age 43)
Total
(Avg age 42)
Age %
<12 10.24%
12-17 5.18%
18-29 14.23%
30-39 15.67%
40-49 16.31%
50-64 21.84%
65=> 16.53%
Source: 2011 BNHI data
7. 7
1. Adapted from: Zuberbier T, et al. Allergy 2014;69:868–87
Chronic idiopathic
urticaria
慢性
急性
自發性
誘發性
蕁麻疹
已知原因(including
autoimmune, infection)
未知原因
Symptoms daily or
almost daily for ≥6
weeks
No obvious external
specific trigger
Symptoms for
<6 weeks
Symptoms induced by
a specific trigger, e.g.
temperature, pressure,
cholinergic