Acne Flashcards
NonInflammatory lesions
Noninflammatory lesions:
open comedone- black head
closed comedone- white head
Inflammatory lesions
Papule- <5 mm
pustules- visible central core
nodules - cysts- > 5mm
describe a Nodule
CYST
>5mm
can be suppuritive- pus
or hemorrhagic - raised red
rupture of these can lead to epithelial lined sinus tracts and cause bad scars
Describe a papule
inflammed <5 mm
(compared to a nodule >5mm)
can classify as papulepustular
Describe a pustule
inflamed visible central core
what bacteria is the cause of acne
Cutibacterium
formerly know as Propionibacterium
MOA of Isotreinoin
shrikage of the sebum glands = decrease oil production permently
Kertolytic
General and severe adverse reaction to isotreinoin
General:
cheilitis, dry skin and mucous membranes, epistaxis, desquamation, photosensitivity, and pruritus. Dry eyes- decreases production of tear ducts, depression/suicide, muscle aches, premature bone closure
Severe:
elevated liver enzymes, cheilitis, xerosis, acne flare(usually last 1 week), photophobia, and Stevens-Johnson syndrome
rarely irotreinoin can induce a severe form of acne
Acne fulminans
what percent of babies have been born with abnormalities
20-30%
most embryo abnormalities include learning disabilities more so than physical deformities
while on acutanne do not take these two medicaitons
Tetracycline- it uses the same pathway as accutane and can cause a intercrainal hemorrhemorrhage
Vitamin A- will increase risk of all the side affects
patient education with accutane
- side affects
- take medication with 50grams of fat
- acne can flare
- do not share medication or donate blood
if patient is sexually active important to go over what with isotrenion
needs a form of birth control
needs to start a form of BC one month before starting and one month after completion of isotreinoin
What forms of Birth control is helpful for acne?
Only the pill
- Yaz & Ortho-tricyline 777
-other forms: ring, IUD are not helpful in the use of acne
How to advise a girl starting Isotreionion
Blood draw today that includes- hcg & LFTs
wait 30 days then redraw Hcg & LFTs - if normal dont test again. need a pregnancy test every month for 5 months.
Stop all topical medicaiton unless its a gentle cleanser
-no laser treatments, chemical peels, etc.