Dermatology

Question 0

What is the best topical treatment for chronic plaque psoriasis?

Answer 0

High potency corticosteroids followed by topical vitamin D analogs. They are equally effective when compared head-to-head but the corticosteroids produce fewer local reactions.

Question 1

What is the most common cause of erythema multiforme?

Answer 1

Herpes simplex virus is the most commonly identified cause of this hypersensitivity reaction, accounting for more than 50% of cases.

Question 2

Imiquimod is used for the treatment of what conditions?

Answer 2

It is FDA approved for treatment of external genital and perianal warts in patients over age 12. It is used off label for the treatment of plantar warts, flat warts, periungual warts, and molluscum contagiosum.

Question 3

What is the recommended treatment for lichen planus?

Answer 3

First wind treatment is with high potency topical corticosteroids such as clobetasol. Topical calcineurin inhibitors, including tacrolimus, can be used in cases not responding to topical corticosteroids.