2. Acne Vulgaris
An inflammation of the pilosebaceous units of certain body
Multifactorial cause speculated
◦ Occupation
◦ Drugs
◦ Genetic Aspects
◦ Endocrine factors
◦ Emotional stress
◦ Occlusion and pressure
◦ Propionibacterium acnes
24. Rosacea
A chronic acneform disorder of the facial pilosebaceous units
Cause not clearly known
It is though to be disease of the capillaries than the glands
Comedones are absent
25. Rosacea
Patients feel “hot” on the face when stimulated by heat, spicy food,
stress etc.
Four stages:
◦ Stage 0
◦ Stage I
◦ Stage II
◦ Stage III
34. Perioral Dermatitis
Pesky facial dermatosis occurring mainly in young women
Cause not known
Discrete erythematous micropapules perioraly.
Rim of sparing around the vermilion border of lips.
There are no comedones.