Acne and rosacea

Question 1

what is mech of acne

Answer 1

clogged pilosebaceaous unit > comedones
debris and bacteria collect > papules and pustules
can rupture> nodules

Question 2

4 things related to pathogenesis of acne

Answer 2

1. androgens
2. bacteria in hair follicle
3. plugging of follicle
4. sebum secretion - increased in presence of androgens

Question 3

Tx for mild comedonal acne

Answer 3

topical retinoid +/- benzoyl

Question 4

Tx for mild papular/pustular

Answer 4

top. retinoid, topical ABx, benzoyl

Question 5

Tx for mod. papular.pustular

Answer 5

oral ABx with topical retinoid and ABx

Question 6

Tx for nodular without scarring

Answer 6

oral ABx with topical retinoid and ABx

Question 7

Tx for sever nodual and scarring

Answer 7

oral isotretinoin

Question 8

what is hormonal acne

Answer 8

often in adult women

• serum hormone are usually normal
• premenstrual flare

Question 9

2 main agents for hormonal

Answer 9

1. spironolactone

2. oral contraceptives

Question 10

what is rosacea

Answer 10

• chronic inflammtory condition of flush areas of face
• papules and pustules on background of telantectasias
• tend to have sensitive skin

Question 11

4 triggers of rosacea

Answer 11

1. alc
2. heat/beverages
3. hot foods
4. sunlight

Question 12

how to diff rosacea from ance

Answer 12

abscence of comedones

- may also get rhinophyma

Question 13

Tx for rosacea with flush and redness

Answer 13

• lasers
• bromidine
• make-up

Question 14

Tx for rosacea with papules and pustules

Answer 14

• metronidazole
• oral ABx
• isotetinoin

Question 15

what to ask all rosacea patients about

Answer 15

occular Sx