Inflammatory Dermatoses

Question 1

Patch testing

Answer 1

Used to determine an unknown/chronic cause of ACD

Question 2

Common causes of ACD

Answer 2

Rhus (poison ivy/oak), Metals (nickel,gold), topical antibiotics (neomycin), fragrances, formaldehyde, perservatives, rubber compounds

Question 3

Treatment for ACD

Answer 3

Stop the allergen, topical steroids

Question 4

Features of atopic dermatitis (AD)

Answer 4

ITCHY! Erythematous scaly plaques, xerosis

Question 5

What NOT to use to treat AD

Answer 5

Oral steroids: this causes a rebound that makes things worse

Question 6

Treatment for AD

Answer 6

Topical steroids, emollients, bleach bath to kill Staph, topical calcineurin inhibitors

Question 7

Eczema Herpeticum

Answer 7

Punched out ulcers, can have eye involvement, treat with IV acyclovir

Question 8

Features of urticaria

Answer 8

Usually acute, erythematous, edematous papules and plaques (wheals)

Question 9

Treatment of urticaria

Answer 9

1st or 2nd gen H1 antihistamines, or Epi if anaphlaxis

Question 10

Features of fixed drug eruption

Answer 10

Erythematous round patch with possible bulla formation, same place as before

Question 11

Common causes of fixed drug eruption

Answer 11

Phenolphthalein (laxatives), tetracyclines, metronidazole, sulfonamides, barbituates, NSAIDs, salicylates, food coloring

Question 12

Features of DRESS

Answer 12

Facial edema, morbilliform rash, fever, LAD, malaise, eosinophilila, internal organ involvement (liver/kidney)

Question 13

Diagnosis of DRESS

Answer 13

Do a CBC, LFT, BUN/Creat, check recent drug history

Question 14

Drugs that cause DRESS

Answer 14

Anti-epileptics, allopurinol, antibiotics, NSAIDS, etc.

Question 15

Features of SJS/TEN

Answer 15

Erythematous to dusky macules, + Nikolsky sign, mucosal involvement

Question 16

Drugs that cause SJS/TEN

Answer 16

SATAN; Sulfa antibiotics, allopurinol, tetracyclines, anticonvulsants, NSAIDS