Why does urticaria happen?

Related questions

1. Is turmeric good for urticaria?
2. Is cold urticaria serious?
3. What foods reduce urticaria?
4. Why are hives worse at night?
5. What is the cure for urticaria?
6. What food causes hives?
7. Which food is not allowed in urticaria?
8. What should I eat when I have hives?
9. Is turmeric good for hives?
10. Can you die from urticaria?

Tags

1. #vessels
2. #capillaries
3. #blood
4. #allergic
5. #known
6. #releases
7. #causes
8. #hives
9. #occurs
10. #protein
11. #people
12. #accumulates
13. #reaction
14. #affect
15. #percent
16. #around
17. #their
18. #fluid
19. #histamine
20. #released
21. #called