Dermatology Flashcards
(39 cards)
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
Is impetigo contagious?
yes
what will impetigo look like?
yellow crusting
may blister
impetigo can trigger what?
glomerulonephritis
what is glomerulonephritis?
term used for several kidney diseases usually characterised by inflammation of the glomeruli or asociated blood vessels but not always
How is impetigo diagnosed and treated?
- taking bacterial swabs
- antibiotics
what is folliculitis?
superficial infection of the hair follicle
what is the bacteria usually causing folliculitis?
S aureus
what does folliculitis look like?
- papules
- pustules
associated with hair follicles - erythema of around 1-2mm
what is folliculitis associated with?
diabetes
