Dermatology Flashcards
Maculopapular rash
Rash with color and texture
Lace patterned maculopapular rash is most likely…
Fifth’s disease
Maculopapular rash with pustules, vesicle and crust is most likely…
Herpes simplex, herpes zoster
Maculopapular rash that is oval with a herald patch is most likely…
Pityriasis rosea
Maculopapular rash with vesicular erythematous base is most likely…
herpes simplex or genital herpes
Red rash that starts on the ankles and wrists and migrates to the trunk is most common in….
Rocky mountain spotted fever.
Treat with doxycycline.
Seborrheic keratosis vs actinic keratosis
Seborrheic keratosis lesions are usually brown or tan, flat or slightly raised, and round or oval in shape. Actinic keratosis lesions are often red, tan, white, or a combination of colors, and can be flat or slightly raised. Actinic keratosis lesions can also appear as dry, scaly, crusty patches called skin plaque
Treatment for seborrheic keratosis
Cryotherapy. The most common and readily available treatment for seborrheic keratosis is cryotherapy. …
Electrodesiccation and curettage. Another method for removing seborrheic keratosis is electrodesiccation with or without curettage. …
Ablative laser treatment. …
Shave biopsy. …
Topical agents.
Treatment is not required.
Treatment for Acne vulgaris
- topical retinoid (retin-a, tretinoin) + antimicrobial (erythromycin, clindamycin) - combination drugs available.
- Systemic antibiotics
- oral contraceptives
Acne vulgaris
Inflammatory disorder of androgen-dependent sebaceous glands in which excessive amounts of sebum are produced
Inflammatory - papules, pustules, nodules, cysts
Comedones are not inflammatory
Non-pharmacological management for acne
- avoid touching face
- oil free skin products
- wash face 2x daily with gentle cleanser to reduce oil
- Do not pick or squeeze lesions
- moderate sun exposure
- SPF 45 or higher daily
- good nutrition
Actinic keratosis
Scaly lesions found in sun exposed areas of the skin, precancerous and can lead to SCC.
Treatment for Actinic Keratosis
- cryotherapy
- Tissue scraping, cutterage
- topical fluorouracil
- Light therapy
- Tretinoiin or salcylic acid may enhance #3
Steroids for atopic dermatitis
- Low potency - hydrocortisone
- Medium potency - triamcinolone
- High potency - betamethasone
- Super high potency - Clobetasol
Pharmacological management of folliculitis
Topical antibiotic - mupirocin, apply TID
Pharmacological management of furunculosis and carbuncolosis
Systemic antibiotics - first gen cephalosporin, bactrim, combo of oral and topical
Paronychia
Infection in skin bordering the nail bed
Paronychia treatment
Milks - vinegar water soaks, topical mupirocin
Cephalexin
what is an Acrochordon
Skin tag
Paronychia with an abscess is treated with
incision and drainage
Stevens-Johnson syndrome
a rare, serious skin condition that can be life-threatening. It’s characterized by a painful rash that blisters and spreads, followed by peeling and shedding of the skin. SJS is usually caused by a reaction to medication, but it can also be triggered by a mild infectionw
which disease has Maculopapular rash in a lace-like pattern
5th disease
Maculopapular rashes that are oval shaped with a herald patch is associated with which condition?
pityriasis rosea
Maculopapular rashes with papules, vesicles, and crusts indicate which conditions?
varicella zoster, herpes simplex
Vesicular rashes on an erythematous base are found in which conditions?
herpes simplex, genital herpes
Your patient presents with a red, well-differentiated, raised circular lesion on their nose which has a bloody-appearing central appearance. Which type of lesion does this likely represent?
Basal cell carcinoma
What is the definitive treatment for uncomplicated skin abscess on the arm?
Incision and drainage
Treatment for recluse spider bite is…
Antibiotic on wound, cold packs, and NSAIDs