Dermatology Flashcards
define acne?
disorder of the pilosebaceous apparatus which usually peaks during adolescence
what are the side effects of acne?
- comedones
- papules
- pustules
- nodules
- cysts
- scars
what are comedones?
blackheads
what are papules?
a small pimple/swelling
what are pustules?
a blister containing pus
what is a nodule?
small swelling
what are 4 causes of acne?
- excess sebum secretion
- hormones - esp androgens = male sex hormones
- bacteria (P acnes)
- drugs
what are 5 treatment options for acne?
- local abrasives
- topical antibiotics
- topical vitamin A analougues
- systemic antibiotics
- isotretinoin
what are the symptoms of rosacea? 5
- flushing
- telangiectasia
- erythema
- pustules
- inflammed papules
define erythema
dilation of blood capillaries resulting from injury/irritation
define telangiectasia
dilated capillaries that have a spider like appearance
what are the 2 possible conditions associated with rosacea?
- conjunctivitis (infl of eye)
- blepharitis (infl of eyelid)
what are 5 common triggers for rosacea?
- spicy food
- sunlight
- stress
- alcohol
- temp change
what are 6 treatment options for rosacea?
- avoid triggering factors
- antibiotics (topical +/- systemic)
- cosmetic camouflage
- laser
- isotretinoin
- avoid topical steroids
What causes impetigo?
staphlococci or streptococci bacteria