1. Maryam Ghasemi Daneshjooye Pezeshki Daneshgah Esfahan 901111521 DR Fatemi

2. Perioral dermatitis

3. DEFINITION young women (15-25 years) facial skin around the mouth
inflammatory disorder with small papules and pustules
Relatively common

4. etiology no convincing explanation Candida Fusiform bacteria
Demodex mite
Cosmetics
Fluoride-containing toothpaste
potent topical corticosteroids, particularly fluorinated topical corticosteroids

5. Clinical features
first appears around the external nares and the superior end of the nasolabial folds or around the lip commissures
spreads around the mouth
leaving a clear and uninvolved zone immediately adjacent to the lips
If severe and/or long-standing (side of nose & glabella)

7. Clinical features
Periocular perioral dermatitis ( if predominantly around the eyes )
Type of lesions:typically small papules (or micropapules), sometimes pustules
No persistent erythema or telangiectasia
little in the way of symptoms apart from some mild soreness

9. DDx rosacea :1-facial convexities 2-persistant erythema
3-telangiectasia
Seborrheic dermatitis:1-scaling
2-scalp dandruf
3-other area of body
Acne:1-location
2-comedons
3-seborrhea
4-upper trunk

10. DDx lip-licking cheilitis :1-(7-15 years old)
2-repeated licking of the
Skin around the mouth
3-scaling

11. treatment All topical steroids should be stopped
Oral Tetracycline & its family
Oral erythromycin
Topical antibiotics (metronidazole, erythromycine,tetracycline)