Acne

Question 1

Organism involved in pathogenesis of acne

Answer 1

Cutibacterium acne

Question 2

Open comedones formed by oxidation of the fat in the sebum are called

Answer 2

Blackheads

Question 3

Closed comedones are called

Answer 3

White heads

Question 4

Complications of acne

Answer 4

•Post-inflammatory hyperpigmentation
•Scarring

Question 5

Treatment of acne

Answer 5

Comedonal: topical retinoids
Mild papular/pustular: topical retinoids + topical benzoyl peroxide
Mod: topical retinoids + oral tetracycline or
Dianette or
Spironolactone
Severe: oral isotretinoin

Tx of scar; laser

Question 6

Investigations of acne pts

Answer 6

1. Liver function
2. Lipid profile( cholesterol and triglyceride)
3. Pregnancy test (teratogenic )

Question 7

Why don’t we use tetracyclin in infantile acne

Answer 7

Tetracyclin causes yellow teeth

Question 8

Treatment of infantile acne

Answer 8

Reassurance
If sever: topical benzoyl peroxide or erythromycin

Question 9

Organism involved in folliculitis declavans

Answer 9

Staph aureus

Question 10

Treatment of folliculitis declavans

Answer 10

Oral Ab
Oral steroids
Oral isotretinoin

Question 11

What is haydradenitis suppurativa

Answer 11

Inflammation of the apocrine glands

Question 12

Tx of haydradenitis suppurativa

Answer 12

Topical clindamycin
Systemic:
. ab for 3 m (tetracyclin)
.ocp
Steroids
Retinoids