Vesicle/Pustule Dermatoses Flashcards
1
Q
- S/S: Burning and stinging
- small grouped vesicles
- Loc: most often occur on vermillion of lips, shaft of penis, labia, perianal skin
- Lab: fluorescent antibody slide test
A
Herpes Simplex
Prog: lesions crust and heal in one week
Tx: Acylcovir, Valacylcovir, famciclovir
2
Q
- Gen: acute vesicular eruption due to the varicella-zoster virus
- immunosuppressed individuals are much more likely
- S/S: Pain precedes the eruptions by 48 hrs and persists after lesions are gone grouped, tense, deep-seated vesicles distributed unilaterally along a dermatome
- Loc: dermatome on the trunk or face
A
Herpes Zoster
(Shingles)
- Diff: poison oak and ivy also occur unilaterally allergic contact dermatitis is itchyàthis is painful
- Comp: postherpetic neuralgia
- Prev: Vaccine
- Tx: Vaccine after rash goes down
- Pain: antivirals, systemic corticosteroids (acute)
3
Q
- S/S: Itching is always present and can be severe lesions consist of more or less generalized excoriations with small pruritic vesicles, pustules, and “burrows” in the interdigital spaces of the hands and feet, on the heels of the palms, wrists, elbows, umbilicus, around the axillae, on the areolae in women, or on the penile shaft and scrotum in men
A
Scabies
Lab: microscopic demo of bug
Tx: Kill mites–>permethrin 5% cream on whole body
4
Q
S/S: open and closed comedones, papules, pustules and cysts
A
Acne Vulgaris
Tx: low glycemic diet
- Comodeonal Acne
- hygiene plays little role
- topical retinoids
- benzoyl peroxide
- Papular/Cystic Inflammatory
- topical/oral antibiotics for inflammation
5
Q
- Gen: Caused by Pseudomonas (this bacteria can survive in warm water)
- S/S: >50 dense red papules and pustules after being in a hot tub
- Pruritic, tender follicular, pustular lesions occurring 1-4 days after hot tub
- Can happen within hours- few days after exposure
- Itching and burning in hairy areas
A
Pseudomonas folliculitis (Hot Tub Folliculitis)
- Diff: Gram stain and culture
- Prog: Self limited
- Tx: Can use oral cipro if needed
- Some use gentamycin spray
- vinegar water soaks 20 mins 2 times a day
6
Q
- S/S: NO comedones, erythema and dilated vessels, inflammatory papules burning, stinging rose hue and telangiectasia
A
Rosacea
- Diff: distinguished from acne because of neurovascular component and absence of comedones
- Tx: avoid factors that exacerbate
- Metronidazole, clindamycin
- Prog: long process
