Recognizing bilateral lesions as non-infectious

Question 1

What do bilateral distribution of skin lesions typically represent?

Answer 1

Non-infectious skin lesions

Question 2

4 commonest non-infectious, bilateral skin conditions:

Answer 2

1. Eczema
2. Urticaria
3. Psoriasis
4. Drug eruption

Question 3

Fts of urticaria:

Answer 3

1. Wheals / hives
2. Angioedema

Question 4

What is a hive?

Answer 4

1. Superficial
2. Skin-colored swelling
3. Surrounded by redness
4. Lasts: few min - 24 hours
5. Very itchy

Question 5

What is angioedema?

Answer 5

1.** Deeper swelling** w/in the skin or mucous membranes
2. Skin-colored or red
3. Resolves within 72 hours
4. May be itchy or painful
5. Often ASx

Question 6

What is psoriasis?

Answer 6

Chronic inflammatory skin condition

Question 7

Fts of psoriasis:

Answer 7

1. Red, scaly plaques
2. Clearly defined borders
3. Plaques affect any part of the body

Question 8

Commonest cause of drug eruption?

Answer 8

ABx

Question 9

A skin rash in adults is usually due to a?

Answer 9

Drug

Question 10

A skin rash in children is usually due to a?

Answer 10

Viral or bacterial infections

Question 11

Fts of drug eruption rash:

Answer 11

1. Red skin
2. Itchy skin

Question 12

If your patient has bilateral, itchy skin lesions with a more or less symmetrical distribution - think:

Answer 12

Non-infectious conditions