Dermatology

Question 1

Impetigo rx

Answer 1

Limited
1) hydrogen peroxide
2) fusidic acid

Extensive
1) fluclox
2) erythro

Question 2

G6PD causing drugs

Answer 2

Primaquine
Cipro
Sulphs (sulphonamides, sulfasalazine, sulfonylureas)

Question 3

Drugs causing sexual dysfunction

Answer 3

Antipsychotics - risperidone, haloperidol

Question 4

Antibiotic CI with oral retinoids

Answer 4

Doxycycline - causes intracranial HTN

Question 5

Maximum time to continue topical/oral antibiotics in acne

Answer 5

6 months

Question 6

Erythema multiforme drugs

Answer 6

Allopurinol
Naproxen
OCP
Penicillin
(sulfonamides, carbamazepine)

Question 7

Psoriasis treatment for:
- chronic plaque extensor
- flexural

Answer 7

Extensor - 8/52 of potent steroid and vit D analogue separately OD. If not improving next step vit D BD

Flexural - milds/moderate steroid (sensitive skin)

Question 8

Vitiligo first line

Answer 8

Potent topical steroids

Question 9

Common complication of PUVA

Answer 9

SCC

Question 10

Papular lesions on dorsal surfaces of hands and feet, asymptomatic, young

Answer 10

Granuloma annulare

Question 11

FTU definition
How much steroid is 2 FTU

Answer 11

1 FTU = steroid to cover 2 adult hand palmar surfaces
2 FTU = 1g steroid

Question 12

Fleshy lump on face in Down’s syndrome

Answer 12

syringoma

Question 13

Shiny surfaces cyst on a finger causing groove in the nail

Answer 13

myxoid cyst - no Rx