Urticaria

Question 1

Urticaria

Answer 1

Hives
Wheal and flare type reaction

Question 2

Is urticaria pruritic?

Answer 2

Yes pruritic

Question 3

Itching in urticaria is caused by

Answer 3

Histamine and other mediators released from mast cells

Question 4

Pathogenesis

Answer 4

Mast cell degranulation
IgE
Allergen or drugs
Pressure friction temperature

Question 5

The main clinical feature of urticaria

Answer 5

Wheal or hives

Question 6

Clinical features of hives or wheals

Answer 6

Central swelling
Surrounded by erythema
Pruritus
Transitory nature 1-24 hrs

Question 7

Acute vs chronic urticaria

Answer 7

Acute - less than 6 weeks
Chronic - more than 6 weeks

Question 8

Acute urticaria

Answer 8

Unknown cause
Maybe drugs nsaid
Infection
Food components

Question 9

Acute urticaria diagnosis

Answer 9

No testing

Question 10

Acute urticaria therapy

Answer 10

Antihistamines
Corticosteroids

Question 11

Chronic urticaria

Answer 11

Auto reactivity of mast cells
Autoimmune urticaria
Chronic infections

Question 12

Chronic urticaria diagnosis

Answer 12

History of patient
Laboratory diagnosis
Autoantibodies
Increased esr

Question 13

Therapy

Answer 13

Antihistamines
Ketotifen
Doxepin
Corticosteroids but not for long time