Diagnosing a transient rash as urticaria

Question 1

The most likely cause of a transient rash is?

Answer 1

Urticaria

Question 2

Angioedema in mouth + NO hives = ?

Answer 2

Possible life-threatening

Hereditary or acquired angioedema

Question 3

Angioedema in mouth + NO hives - Rx:

Answer 3

1. Systemic steroid
2. Antihistamine
3. +/- Adrenaline

Question 4

Acute vs chronic urticaria:

Answer 4

Acute: < 6 wks + spontaneous resolution

Chronic: > 6 wks

Question 5

The most common form of chronic urticaria is:

Answer 5

Urticaria factitia

Question 6

Fts of urticaria factitia:

Answer 6

1. Redness & swelling following a minor rub, stroke, or scratch of the skin.

Question 7

Rx of urticaria:

Answer 7

1. Oral 2nd-generation antihistamine

Standard dose - 10 mg for loratadine
Can be increased up to fourfold - up to 40 mg of loratadine daily

Question 8

Any widespread, itchy rash that is transient or moves around w/in 6-12 hours should be considered:

Answer 8

Urticaria until proven otherwise